home *** CD-ROM | disk | FTP | other *** search
/ The UNIX CD Bookshelf / OREILLY_TUCB_UNIX_CD.iso / upt / examples / SOURCES / LOOK / PART01.Z / PART01
SHell self-extracting ARchive  |  1998-07-24  |  7.7 KB

open in: MacOS 8.1     |     Win98     |     DOS

browse contents    |     view JSON data     |     view as text


This file was processed as: SHell self-extracting ARchive (archive/shar).

ConfidenceProgramDetectionMatch TypeSupport
100% dexvert SHell self-extracting ARchive (archive/shar) magic Supported
1% dexvert Text File (text/txt) fallback Supported
100% file C source, ASCII text default
100% checkBytes Printable ASCII default
100% perlTextCheck Likely Text (Perl) default
100% siegfried fmt/329 Shell Archive Format default
100% detectItEasy Format: plain text[LF] default (weak)



hex view
+--------+-------------------------+-------------------------+--------+--------+
|00000000| 4e 65 77 73 67 72 6f 75 | 70 73 3a 20 63 6f 6d 70 |Newsgrou|ps: comp|
|00000010| 2e 73 6f 75 72 63 65 73 | 2e 6d 69 73 63 0a 58 2d |.sources|.misc.X-|
|00000020| 55 4e 49 58 2d 46 72 6f | 6d 3a 20 73 68 65 72 70 |UNIX-Fro|m: sherp|
|00000030| 61 21 72 61 63 0a 6f 72 | 67 61 6e 69 7a 61 74 69 |a!rac.or|ganizati|
|00000040| 6f 6e 3a 20 50 65 72 73 | 6f 6e 61 6c 20 53 79 73 |on: Pers|onal Sys|
|00000050| 74 65 6d 20 43 6f 6d 70 | 75 74 69 6e 67 2c 20 20 |tem Comp|uting, |
|00000060| 53 74 2e 20 50 65 74 65 | 72 73 62 75 72 67 2c 20 |St. Pete|rsburg, |
|00000070| 46 4c 0a 6b 65 79 77 6f | 72 64 73 3a 20 6c 6f 6f |FL.keywo|rds: loo|
|00000080| 6b 0a 73 75 62 6a 65 63 | 74 3a 20 76 31 35 69 30 |k.subjec|t: v15i0|
|00000090| 39 36 3a 20 6c 6f 6f 6b | 20 2d 20 66 69 6e 64 20 |96: look| - find |
|000000a0| 73 74 72 69 6e 67 73 20 | 69 6e 20 61 20 73 6f 72 |strings |in a sor|
|000000b0| 74 65 64 20 66 69 6c 65 | 0a 66 72 6f 6d 3a 20 72 |ted file|.from: r|
|000000c0| 61 63 40 73 68 65 72 70 | 61 2e 55 55 43 50 20 28 |ac@sherp|a.UUCP (|
|000000d0| 52 6f 67 65 72 20 43 6f | 72 6e 65 6c 69 75 73 29 |Roger Co|rnelius)|
|000000e0| 0a 53 65 6e 64 65 72 3a | 20 61 6c 6c 62 65 72 79 |.Sender:| allbery|
|000000f0| 40 75 75 6e 65 74 2e 55 | 55 2e 4e 45 54 20 28 42 |@uunet.U|U.NET (B|
|00000100| 72 61 6e 64 6f 6e 20 53 | 2e 20 41 6c 6c 62 65 72 |randon S|. Allber|
|00000110| 79 20 2d 20 63 6f 6d 70 | 2e 73 6f 75 72 63 65 73 |y - comp|.sources|
|00000120| 2e 6d 69 73 63 29 0a 0a | 50 6f 73 74 69 6e 67 2d |.misc)..|Posting-|
|00000130| 6e 75 6d 62 65 72 3a 20 | 56 6f 6c 75 6d 65 20 31 |number: |Volume 1|
|00000140| 35 2c 20 49 73 73 75 65 | 20 39 36 0a 53 75 62 6d |5, Issue| 96.Subm|
|00000150| 69 74 74 65 64 2d 62 79 | 3a 20 72 61 63 40 73 68 |itted-by|: rac@sh|
|00000160| 65 72 70 61 2e 55 55 43 | 50 20 28 52 6f 67 65 72 |erpa.UUC|P (Roger|
|00000170| 20 43 6f 72 6e 65 6c 69 | 75 73 29 0a 41 72 63 68 | Corneli|us).Arch|
|00000180| 69 76 65 2d 6e 61 6d 65 | 3a 20 6c 6f 6f 6b 5f 72 |ive-name|: look_r|
|00000190| 61 63 2f 70 61 72 74 30 | 31 0a 0a 48 65 72 65 27 |ac/part0|1..Here'|
|000001a0| 73 20 61 20 73 68 6f 72 | 74 2c 20 66 61 69 72 6c |s a shor|t, fairl|
|000001b0| 79 20 66 61 73 74 2c 20 | 66 61 69 72 6c 79 20 70 |y fast, |fairly p|
|000001c0| 6f 72 74 61 62 6c 65 20 | 76 65 72 73 69 6f 6e 20 |ortable |version |
|000001d0| 6f 66 20 6c 6f 6f 6b 2e | 20 20 54 68 65 0a 75 6e |of look.| The.un|
|000001e0| 64 6f 63 75 6d 65 6e 74 | 65 64 20 28 61 74 20 6c |document|ed (at l|
|000001f0| 65 61 73 74 20 68 65 72 | 65 29 20 2d 74 74 61 62 |east her|e) -ttab|
|00000200| 63 68 61 72 20 6f 70 74 | 69 6f 6e 20 69 73 20 6e |char opt|ion is n|
|00000210| 6f 74 20 69 6d 70 6c 65 | 6d 65 6e 74 65 64 2c 20 |ot imple|mented, |
|00000220| 6f 6e 6c 79 0a 62 65 63 | 61 75 73 65 20 49 27 6d |only.bec|ause I'm|
|00000230| 20 6e 6f 74 20 70 6f 73 | 69 74 69 76 65 20 77 68 | not pos|itive wh|
|00000240| 61 74 20 69 74 20 64 6f | 65 73 2e 20 20 49 66 20 |at it do|es. If |
|00000250| 73 6f 6d 65 6f 6e 65 20 | 77 69 74 68 20 61 63 63 |someone |with acc|
|00000260| 65 73 73 20 74 6f 20 73 | 6f 75 72 63 65 0a 63 61 |ess to s|ource.ca|
|00000270| 6e 20 64 65 73 63 72 69 | 62 65 20 69 74 73 20 66 |n descri|be its f|
|00000280| 75 6e 63 74 69 6f 6e 2c | 20 49 27 6c 6c 20 61 64 |unction,| I'll ad|
|00000290| 64 20 69 74 2e 20 20 49 | 27 6d 20 61 6c 73 6f 20 |d it. I|'m also |
|000002a0| 69 6e 74 65 72 65 73 74 | 65 64 20 74 6f 20 6b 6e |interest|ed to kn|
|000002b0| 6f 77 0a 68 6f 77 20 74 | 68 69 73 20 63 6f 6d 70 |ow.how t|his comp|
|000002c0| 61 72 65 73 20 69 6e 20 | 70 65 72 66 6f 72 6d 61 |ares in |performa|
|000002d0| 6e 63 65 20 74 6f 20 74 | 68 65 20 6f 72 69 67 69 |nce to t|he origi|
|000002e0| 6e 61 6c 2e 0a 0a 6c 6f | 6f 6b 20 73 65 61 72 63 |nal...lo|ok searc|
|000002f0| 68 65 73 20 61 20 73 6f | 72 74 65 64 20 66 69 6c |hes a so|rted fil|
|00000300| 65 20 66 6f 72 20 6c 69 | 6e 65 73 20 62 65 67 69 |e for li|nes begi|
|00000310| 6e 6e 69 6e 67 20 77 69 | 74 68 20 61 20 73 70 65 |nning wi|th a spe|
|00000320| 63 69 66 69 65 64 20 73 | 74 72 69 6e 67 2e 0a 53 |cified s|tring..S|
|00000330| 65 65 20 74 68 65 20 52 | 45 41 44 4d 45 20 66 6f |ee the R|EADME fo|
|00000340| 72 20 64 65 74 61 69 6c | 73 2e 0a 0a 4e 6f 20 6d |r detail|s...No m|
|00000350| 61 6e 70 61 67 65 20 6f | 72 20 6d 61 6b 65 66 69 |anpage o|r makefi|
|00000360| 6c 65 2c 20 6a 75 73 74 | 20 63 63 20 2d 4f 20 6c |le, just| cc -O l|
|00000370| 6f 6f 6b 2e 63 20 2d 6f | 20 6c 6f 6f 6b 2e 0a 0a |ook.c -o| look...|
|00000380| 2d 2d 0a 52 6f 67 65 72 | 20 41 2e 20 43 6f 72 6e |--.Roger| A. Corn|
|00000390| 65 6c 69 75 73 20 20 20 | 20 20 20 20 20 20 20 72 |elius | r|
|000003a0| 61 63 40 73 68 65 72 70 | 61 2e 55 55 43 50 20 20 |ac@sherp|a.UUCP |
|000003b0| 20 20 20 20 20 20 20 75 | 75 6e 65 74 21 73 68 65 | u|unet!she|
|000003c0| 72 70 61 21 72 61 63 0a | 0a 0a 2d 2d 2d 2d 20 63 |rpa!rac.|..---- c|
|000003d0| 75 74 20 68 65 72 65 20 | 2d 2d 2d 0a 23 21 20 2f |ut here |---.#! /|
|000003e0| 62 69 6e 2f 73 68 0a 23 | 20 54 68 69 73 20 69 73 |bin/sh.#| This is|
|000003f0| 20 61 20 73 68 65 6c 6c | 20 61 72 63 68 69 76 65 | a shell| archive|
|00000400| 2e 20 20 52 65 6d 6f 76 | 65 20 61 6e 79 74 68 69 |. Remov|e anythi|
|00000410| 6e 67 20 62 65 66 6f 72 | 65 20 74 68 69 73 20 6c |ng befor|e this l|
|00000420| 69 6e 65 2c 20 74 68 65 | 6e 20 75 6e 70 61 63 6b |ine, the|n unpack|
|00000430| 0a 23 20 69 74 20 62 79 | 20 73 61 76 69 6e 67 20 |.# it by| saving |
|00000440| 69 74 20 69 6e 74 6f 20 | 61 20 66 69 6c 65 20 61 |it into |a file a|
|00000450| 6e 64 20 74 79 70 69 6e | 67 20 22 73 68 20 66 69 |nd typin|g "sh fi|
|00000460| 6c 65 22 2e 20 20 54 6f | 20 6f 76 65 72 77 72 69 |le". To| overwri|
|00000470| 74 65 20 65 78 69 73 74 | 69 6e 67 0a 23 20 66 69 |te exist|ing.# fi|
|00000480| 6c 65 73 2c 20 74 79 70 | 65 20 22 73 68 20 66 69 |les, typ|e "sh fi|
|00000490| 6c 65 20 2d 63 22 2e 20 | 20 59 6f 75 20 63 61 6e |le -c". | You can|
|000004a0| 20 61 6c 73 6f 20 66 65 | 65 64 20 74 68 69 73 20 | also fe|ed this |
|000004b0| 61 73 20 73 74 61 6e 64 | 61 72 64 20 69 6e 70 75 |as stand|ard inpu|
|000004c0| 74 20 76 69 61 0a 23 20 | 75 6e 73 68 61 72 2c 20 |t via.# |unshar, |
|000004d0| 6f 72 20 62 79 20 74 79 | 70 69 6e 67 20 22 73 68 |or by ty|ping "sh|
|000004e0| 20 3c 66 69 6c 65 22 2c | 20 65 2e 67 2e 2e 20 20 | <file",| e.g.. |
|000004f0| 49 66 20 74 68 69 73 20 | 61 72 63 68 69 76 65 20 |If this |archive |
|00000500| 69 73 20 63 6f 6d 70 6c | 65 74 65 2c 20 79 6f 75 |is compl|ete, you|
|00000510| 0a 23 20 77 69 6c 6c 20 | 73 65 65 20 74 68 65 20 |.# will |see the |
|00000520| 66 6f 6c 6c 6f 77 69 6e | 67 20 6d 65 73 73 61 67 |followin|g messag|
|00000530| 65 20 61 74 20 74 68 65 | 20 65 6e 64 3a 0a 23 09 |e at the| end:.#.|
|00000540| 09 22 45 6e 64 20 6f 66 | 20 73 68 65 6c 6c 20 61 |."End of| shell a|
|00000550| 72 63 68 69 76 65 2e 22 | 0a 23 20 43 6f 6e 74 65 |rchive."|.# Conte|
|00000560| 6e 74 73 3a 20 20 52 45 | 41 44 4d 45 20 6c 6f 6f |nts: RE|ADME loo|
|00000570| 6b 2e 63 0a 23 20 57 72 | 61 70 70 65 64 20 62 79 |k.c.# Wr|apped by|
|00000580| 20 72 61 63 40 73 68 65 | 72 70 61 20 6f 6e 20 46 | rac@she|rpa on F|
|00000590| 72 69 20 4f 63 74 20 32 | 36 20 32 30 3a 30 36 3a |ri Oct 2|6 20:06:|
|000005a0| 31 34 20 31 39 39 30 0a | 50 41 54 48 3d 2f 62 69 |14 1990.|PATH=/bi|
|000005b0| 6e 3a 2f 75 73 72 2f 62 | 69 6e 3a 2f 75 73 72 2f |n:/usr/b|in:/usr/|
|000005c0| 75 63 62 20 3b 20 65 78 | 70 6f 72 74 20 50 41 54 |ucb ; ex|port PAT|
|000005d0| 48 0a 69 66 20 74 65 73 | 74 20 2d 66 20 27 52 45 |H.if tes|t -f 'RE|
|000005e0| 41 44 4d 45 27 20 2d 61 | 20 22 24 7b 31 7d 22 20 |ADME' -a| "${1}" |
|000005f0| 21 3d 20 22 2d 63 22 20 | 3b 20 74 68 65 6e 20 0a |!= "-c" |; then .|
|00000600| 20 20 65 63 68 6f 20 73 | 68 61 72 3a 20 57 69 6c | echo s|har: Wil|
|00000610| 6c 20 6e 6f 74 20 63 6c | 6f 62 62 65 72 20 65 78 |l not cl|obber ex|
|00000620| 69 73 74 69 6e 67 20 66 | 69 6c 65 20 5c 22 27 52 |isting f|ile \"'R|
|00000630| 45 41 44 4d 45 27 5c 22 | 0a 65 6c 73 65 0a 65 63 |EADME'\"|.else.ec|
|00000640| 68 6f 20 73 68 61 72 3a | 20 45 78 74 72 61 63 74 |ho shar:| Extract|
|00000650| 69 6e 67 20 5c 22 27 52 | 45 41 44 4d 45 27 5c 22 |ing \"'R|EADME'\"|
|00000660| 20 5c 28 31 30 33 32 20 | 63 68 61 72 61 63 74 65 | \(1032 |characte|
|00000670| 72 73 5c 29 0a 73 65 64 | 20 22 73 2f 5e 58 2f 2f |rs\).sed| "s/^X//|
|00000680| 22 20 3e 27 52 45 41 44 | 4d 45 27 20 3c 3c 27 45 |" >'READ|ME' <<'E|
|00000690| 4e 44 5f 4f 46 5f 46 49 | 4c 45 27 0a 58 0a 58 20 |ND_OF_FI|LE'.X.X |
|000006a0| 20 20 20 48 65 72 65 27 | 73 20 61 20 73 68 6f 72 | Here'|s a shor|
|000006b0| 74 2c 20 66 61 69 72 6c | 79 20 66 61 73 74 2c 20 |t, fairl|y fast, |
|000006c0| 66 61 69 72 6c 79 20 70 | 6f 72 74 61 62 6c 65 20 |fairly p|ortable |
|000006d0| 76 65 72 73 69 6f 6e 20 | 6f 66 20 6c 6f 6f 6b 2e |version |of look.|
|000006e0| 20 20 54 68 65 0a 58 20 | 20 20 20 75 6e 64 6f 63 | The.X | undoc|
|000006f0| 75 6d 65 6e 74 65 64 20 | 28 61 74 20 6c 65 61 73 |umented |(at leas|
|00000700| 74 20 68 65 72 65 29 20 | 2d 74 74 61 62 63 68 61 |t here) |-ttabcha|
|00000710| 72 20 6f 70 74 69 6f 6e | 20 69 73 20 6e 6f 74 20 |r option| is not |
|00000720| 69 6d 70 6c 65 6d 65 6e | 74 65 64 2c 0a 58 20 20 |implemen|ted,.X |
|00000730| 20 20 6f 6e 6c 79 20 62 | 65 63 61 75 73 65 20 49 | only b|ecause I|
|00000740| 27 6d 20 6e 6f 74 20 70 | 6f 73 69 74 69 76 65 20 |'m not p|ositive |
|00000750| 77 68 61 74 20 69 74 20 | 64 6f 65 73 2e 20 20 49 |what it |does. I|
|00000760| 66 20 73 6f 6d 65 6f 6e | 65 20 77 69 74 68 20 61 |f someon|e with a|
|00000770| 63 63 65 73 73 0a 58 20 | 20 20 20 74 6f 20 73 6f |ccess.X | to so|
|00000780| 75 72 63 65 20 63 61 6e | 20 64 65 73 63 72 69 62 |urce can| describ|
|00000790| 65 20 69 74 73 20 66 75 | 6e 63 74 69 6f 6e 2c 20 |e its fu|nction, |
|000007a0| 49 27 6c 6c 20 61 64 64 | 20 69 74 2e 20 20 49 27 |I'll add| it. I'|
|000007b0| 6d 20 61 6c 73 6f 20 69 | 6e 74 65 72 65 73 74 65 |m also i|ntereste|
|000007c0| 64 0a 58 20 20 20 20 74 | 6f 20 6b 6e 6f 77 20 68 |d.X t|o know h|
|000007d0| 6f 77 20 74 68 69 73 20 | 63 6f 6d 70 61 72 65 73 |ow this |compares|
|000007e0| 20 73 70 65 65 64 77 69 | 73 65 20 74 6f 20 74 68 | speedwi|se to th|
|000007f0| 65 20 6f 72 69 67 69 6e | 61 6c 2e 0a 58 0a 58 20 |e origin|al..X.X |
|00000800| 20 20 20 55 73 61 67 65 | 3a 20 6c 6f 6f 6b 20 5b | Usage|: look [|
|00000810| 2d 64 66 5d 20 73 74 72 | 69 6e 67 20 5b 66 69 6c |-df] str|ing [fil|
|00000820| 65 5d 0a 58 20 20 20 20 | 66 69 6c 65 20 69 73 20 |e].X |file is |
|00000830| 61 73 73 75 6d 65 64 20 | 74 6f 20 62 65 20 73 6f |assumed |to be so|
|00000840| 72 74 65 64 2e 0a 58 20 | 20 20 20 54 68 65 20 64 |rted..X | The d|
|00000850| 20 61 6e 64 20 66 20 6f | 70 74 69 6f 6e 73 20 62 | and f o|ptions b|
|00000860| 65 68 61 76 65 20 61 73 | 20 69 6e 20 73 6f 72 74 |ehave as| in sort|
|00000870| 28 31 29 2e 0a 58 20 20 | 20 20 49 66 20 2d 64 20 |(1)..X | If -d |
|00000880| 69 73 20 67 69 76 65 6e | 2c 20 6f 6e 6c 79 20 6c |is given|, only l|
|00000890| 65 74 74 65 72 73 2c 20 | 64 69 67 69 74 73 2c 20 |etters, |digits, |
|000008a0| 74 61 62 73 20 61 6e 64 | 20 62 6c 61 6e 6b 73 20 |tabs and| blanks |
|000008b0| 61 72 65 20 63 6f 6d 70 | 61 72 65 64 2e 0a 58 20 |are comp|ared..X |
|000008c0| 20 20 20 49 66 20 2d 66 | 20 69 73 20 67 69 76 65 | If -f| is give|
|000008d0| 6e 2c 20 75 70 70 65 72 | 63 61 73 65 20 6c 65 74 |n, upper|case let|
|000008e0| 74 65 72 73 20 61 72 65 | 20 66 6f 6c 64 65 64 20 |ters are| folded |
|000008f0| 74 6f 20 6c 6f 77 65 72 | 63 61 73 65 20 2d 20 69 |to lower|case - i|
|00000900| 2e 65 2e 2c 0a 58 20 20 | 20 20 74 68 65 20 73 65 |.e.,.X | the se|
|00000910| 61 72 63 68 20 69 73 20 | 63 61 73 65 20 69 6e 73 |arch is |case ins|
|00000920| 65 6e 73 69 74 69 76 65 | 2e 0a 58 20 20 20 20 49 |ensitive|..X I|
|00000930| 66 20 6e 6f 20 66 69 6c | 65 20 69 73 20 73 70 65 |f no fil|e is spe|
|00000940| 63 69 66 69 65 64 2c 20 | 2d 64 66 20 61 6e 64 20 |cified, |-df and |
|00000950| 2f 75 73 72 2f 64 69 63 | 74 2f 77 6f 72 64 73 20 |/usr/dic|t/words |
|00000960| 61 72 65 20 61 73 73 75 | 6d 65 64 2e 0a 58 20 20 |are assu|med..X |
|00000970| 20 20 52 65 74 75 72 6e | 20 73 74 61 74 75 73 3a | Return| status:|
|00000980| 20 30 20 69 66 20 73 65 | 61 72 63 68 20 77 61 73 | 0 if se|arch was|
|00000990| 20 73 75 63 63 65 73 73 | 66 75 6c 2c 20 31 20 69 | success|ful, 1 i|
|000009a0| 66 20 6e 6f 74 2c 20 61 | 6e 64 20 32 20 6f 6e 20 |f not, a|nd 2 on |
|000009b0| 65 72 72 6f 72 2e 0a 58 | 0a 58 20 20 20 20 54 6f |error..X|.X To|
|000009c0| 20 62 75 69 6c 64 2c 20 | 6a 75 73 74 20 63 63 20 | build, |just cc |
|000009d0| 2d 4f 20 6c 6f 6f 6b 2e | 63 20 2d 6f 20 6c 6f 6f |-O look.|c -o loo|
|000009e0| 6b 2e 20 0a 58 20 20 20 | 20 74 6f 6c 6f 77 65 72 |k. .X | tolower|
|000009f0| 28 29 20 69 73 20 61 73 | 73 75 6d 65 64 20 74 6f |() is as|sumed to|
|00000a00| 20 64 6f 20 74 68 65 20 | 72 69 67 68 74 20 74 68 | do the |right th|
|00000a10| 69 6e 67 20 77 69 74 68 | 20 6e 6f 6e 2d 61 6c 70 |ing with| non-alp|
|00000a20| 68 61 20 63 68 61 72 61 | 63 74 65 72 73 2e 0a 58 |ha chara|cters..X|
|00000a30| 20 20 20 20 42 75 67 20 | 72 65 70 6f 72 74 73 2f | Bug |reports/|
|00000a40| 63 6f 6d 6d 65 6e 74 73 | 20 77 65 6c 63 6f 6d 65 |comments| welcome|
|00000a50| 2e 0a 58 0a 58 20 20 20 | 20 52 6f 67 65 72 20 43 |..X.X | Roger C|
|00000a60| 6f 72 6e 65 6c 69 75 73 | 0a 58 20 20 20 20 2d 2d |ornelius|.X --|
|00000a70| 0a 58 20 20 20 20 52 6f | 67 65 72 20 41 2e 20 43 |.X Ro|ger A. C|
|00000a80| 6f 72 6e 65 6c 69 75 73 | 20 20 20 20 20 20 20 20 |ornelius| |
|00000a90| 20 20 72 61 63 40 73 68 | 65 72 70 61 2e 55 55 43 | rac@sh|erpa.UUC|
|00000aa0| 50 20 20 20 20 20 20 20 | 20 20 75 75 6e 65 74 21 |P | uunet!|
|00000ab0| 73 68 65 72 70 61 21 72 | 61 63 0a 45 4e 44 5f 4f |sherpa!r|ac.END_O|
|00000ac0| 46 5f 46 49 4c 45 0a 69 | 66 20 74 65 73 74 20 31 |F_FILE.i|f test 1|
|00000ad0| 30 33 32 20 2d 6e 65 20 | 60 77 63 20 2d 63 20 3c |032 -ne |`wc -c <|
|00000ae0| 27 52 45 41 44 4d 45 27 | 60 3b 20 74 68 65 6e 0a |'README'|`; then.|
|00000af0| 20 20 20 20 65 63 68 6f | 20 73 68 61 72 3a 20 5c | echo| shar: \|
|00000b00| 22 27 52 45 41 44 4d 45 | 27 5c 22 20 75 6e 70 61 |"'README|'\" unpa|
|00000b10| 63 6b 65 64 20 77 69 74 | 68 20 77 72 6f 6e 67 20 |cked wit|h wrong |
|00000b20| 73 69 7a 65 21 0a 66 69 | 0a 23 20 65 6e 64 20 6f |size!.fi|.# end o|
|00000b30| 66 20 27 52 45 41 44 4d | 45 27 0a 66 69 0a 69 66 |f 'READM|E'.fi.if|
|00000b40| 20 74 65 73 74 20 2d 66 | 20 27 6c 6f 6f 6b 2e 63 | test -f| 'look.c|
|00000b50| 27 20 2d 61 20 22 24 7b | 31 7d 22 20 21 3d 20 22 |' -a "${|1}" != "|
|00000b60| 2d 63 22 20 3b 20 74 68 | 65 6e 20 0a 20 20 65 63 |-c" ; th|en . ec|
|00000b70| 68 6f 20 73 68 61 72 3a | 20 57 69 6c 6c 20 6e 6f |ho shar:| Will no|
|00000b80| 74 20 63 6c 6f 62 62 65 | 72 20 65 78 69 73 74 69 |t clobbe|r existi|
|00000b90| 6e 67 20 66 69 6c 65 20 | 5c 22 27 6c 6f 6f 6b 2e |ng file |\"'look.|
|00000ba0| 63 27 5c 22 0a 65 6c 73 | 65 0a 65 63 68 6f 20 73 |c'\".els|e.echo s|
|00000bb0| 68 61 72 3a 20 45 78 74 | 72 61 63 74 69 6e 67 20 |har: Ext|racting |
|00000bc0| 5c 22 27 6c 6f 6f 6b 2e | 63 27 5c 22 20 5c 28 34 |\"'look.|c'\" \(4|
|00000bd0| 34 32 35 20 63 68 61 72 | 61 63 74 65 72 73 5c 29 |425 char|acters\)|
|00000be0| 0a 73 65 64 20 22 73 2f | 5e 58 2f 2f 22 20 3e 27 |.sed "s/|^X//" >'|
|00000bf0| 6c 6f 6f 6b 2e 63 27 20 | 3c 3c 27 45 4e 44 5f 4f |look.c' |<<'END_O|
|00000c00| 46 5f 46 49 4c 45 27 0a | 58 2f 2a 0a 58 20 2a 20 |F_FILE'.|X/*.X * |
|00000c10| 6c 6f 6f 6b 20 2d 20 73 | 65 61 72 63 68 20 61 20 |look - s|earch a |
|00000c20| 73 6f 72 74 65 64 20 66 | 69 6c 65 20 66 6f 72 20 |sorted f|ile for |
|00000c30| 6c 69 6e 65 73 20 62 65 | 67 69 6e 6e 69 6e 67 20 |lines be|ginning |
|00000c40| 77 69 74 68 20 73 74 72 | 69 6e 67 0a 58 20 2a 20 |with str|ing.X * |
|00000c50| 20 52 6f 67 65 72 20 43 | 6f 72 6e 65 6c 69 75 73 | Roger C|ornelius|
|00000c60| 20 28 72 61 63 40 73 68 | 65 72 70 61 2e 75 75 63 | (rac@sh|erpa.uuc|
|00000c70| 70 29 0a 58 20 2a 20 20 | 46 72 69 20 4f 63 74 20 |p).X * |Fri Oct |
|00000c80| 32 36 20 31 33 3a 31 33 | 3a 35 34 20 45 44 54 20 |26 13:13|:54 EDT |
|00000c90| 31 39 39 30 0a 58 20 2a | 20 20 70 75 62 6c 69 63 |1990.X *| public|
|00000ca0| 20 64 6f 6d 61 69 6e 0a | 58 20 2a 2f 0a 58 0a 58 | domain.|X */.X.X|
|00000cb0| 23 64 65 66 69 6e 65 20 | 5f 55 53 45 5f 4d 41 43 |#define |_USE_MAC|
|00000cc0| 52 4f 53 20 20 20 20 20 | 2f 2a 20 66 6f 72 20 53 |ROS |/* for S|
|00000cd0| 43 4f 20 55 4e 49 58 2c | 20 73 65 65 20 63 74 79 |CO UNIX,| see cty|
|00000ce0| 70 65 2e 68 20 2a 2f 0a | 58 23 69 6e 63 6c 75 64 |pe.h */.|X#includ|
|00000cf0| 65 20 3c 73 74 64 69 6f | 2e 68 3e 0a 58 23 69 6e |e <stdio|.h>.X#in|
|00000d00| 63 6c 75 64 65 20 3c 73 | 79 73 2f 74 79 70 65 73 |clude <s|ys/types|
|00000d10| 2e 68 3e 0a 58 23 69 6e | 63 6c 75 64 65 20 3c 73 |.h>.X#in|clude <s|
|00000d20| 79 73 2f 73 74 61 74 2e | 68 3e 0a 58 23 69 6e 63 |ys/stat.|h>.X#inc|
|00000d30| 6c 75 64 65 20 3c 73 74 | 72 69 6e 67 2e 68 3e 0a |lude <st|ring.h>.|
|00000d40| 58 23 69 6e 63 6c 75 64 | 65 20 3c 63 74 79 70 65 |X#includ|e <ctype|
|00000d50| 2e 68 3e 0a 58 23 64 65 | 66 69 6e 65 20 45 52 52 |.h>.X#de|fine ERR|
|00000d60| 20 32 0a 58 0a 58 65 78 | 74 65 72 6e 20 76 6f 69 | 2.X.Xex|tern voi|
|00000d70| 64 20 65 78 69 74 28 29 | 3b 0a 58 69 6e 74 20 64 |d exit()|;.Xint d|
|00000d80| 73 74 72 6e 63 6d 70 28 | 29 3b 0a 58 6f 66 66 5f |strncmp(|);.Xoff_|
|00000d90| 74 20 62 61 63 6b 75 70 | 28 29 3b 0a 58 46 49 4c |t backup|();.XFIL|
|00000da0| 45 20 2a 66 6f 70 65 6e | 28 29 3b 0a 58 69 6e 74 |E *fopen|();.Xint|
|00000db0| 20 66 6f 6c 64 20 3d 20 | 30 3b 0a 58 69 6e 74 20 | fold = |0;.Xint |
|00000dc0| 64 69 63 74 20 3d 20 30 | 3b 0a 58 69 6e 74 20 28 |dict = 0|;.Xint (|
|00000dd0| 2a 63 6f 6d 70 61 72 65 | 29 28 29 3b 0a 58 0a 58 |*compare|)();.X.X|
|00000de0| 6d 61 69 6e 28 61 72 67 | 63 2c 20 61 72 67 76 29 |main(arg|c, argv)|
|00000df0| 0a 58 20 20 20 20 72 65 | 67 69 73 74 65 72 20 69 |.X re|gister i|
|00000e00| 6e 74 20 61 72 67 63 3b | 0a 58 20 20 20 20 72 65 |nt argc;|.X re|
|00000e10| 67 69 73 74 65 72 20 63 | 68 61 72 20 2a 2a 61 72 |gister c|har **ar|
|00000e20| 67 76 3b 0a 58 7b 0a 58 | 20 20 20 20 65 78 74 65 |gv;.X{.X| exte|
|00000e30| 72 6e 20 69 6e 74 20 6f | 70 74 69 6e 64 3b 0a 58 |rn int o|ptind;.X|
|00000e40| 20 20 20 20 63 68 61 72 | 20 2a 66 69 6c 65 20 3d | char| *file =|
|00000e50| 20 22 2f 75 73 72 2f 64 | 69 63 74 2f 77 6f 72 64 | "/usr/d|ict/word|
|00000e60| 73 22 3b 0a 58 20 20 20 | 20 63 68 61 72 20 2a 73 |s";.X | char *s|
|00000e70| 74 72 69 6e 67 3b 0a 58 | 20 20 20 20 69 6e 74 20 |tring;.X| int |
|00000e80| 63 68 3b 0a 58 20 20 20 | 20 0a 58 20 20 20 20 77 |ch;.X | .X w|
|00000e90| 68 69 6c 65 20 28 28 63 | 68 20 3d 20 67 65 74 6f |hile ((c|h = geto|
|00000ea0| 70 74 28 61 72 67 63 2c | 20 61 72 67 76 2c 20 22 |pt(argc,| argv, "|
|00000eb0| 64 66 3f 22 29 29 20 21 | 3d 20 2d 31 29 0a 58 20 |df?")) !|= -1).X |
|00000ec0| 20 20 20 20 20 20 20 73 | 77 69 74 63 68 28 63 68 | s|witch(ch|
|00000ed0| 29 20 7b 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |) {.X | |
|00000ee0| 20 63 61 73 65 20 27 64 | 27 3a 20 20 20 64 69 63 | case 'd|': dic|
|00000ef0| 74 20 3d 20 31 3b 20 62 | 72 65 61 6b 3b 0a 58 20 |t = 1; b|reak;.X |
|00000f00| 20 20 20 20 20 20 20 20 | 20 20 20 63 61 73 65 20 | | case |
|00000f10| 27 66 27 3a 20 20 20 66 | 6f 6c 64 20 3d 20 31 3b |'f': f|old = 1;|
|00000f20| 20 62 72 65 61 6b 3b 0a | 58 20 20 20 20 20 20 20 | break;.|X |
|00000f30| 20 20 20 20 20 63 61 73 | 65 20 27 3f 27 3a 20 20 | cas|e '?': |
|00000f40| 20 67 6f 74 6f 20 75 73 | 61 67 65 3b 0a 58 20 20 | goto us|age;.X |
|00000f50| 20 20 20 20 20 20 7d 0a | 58 20 20 20 20 61 72 67 | }.|X arg|
|00000f60| 63 20 2d 3d 20 6f 70 74 | 69 6e 64 3b 0a 58 20 20 |c -= opt|ind;.X |
|00000f70| 20 20 61 72 67 76 20 2b | 3d 20 6f 70 74 69 6e 64 | argv +|= optind|
|00000f80| 3b 0a 58 0a 58 20 20 20 | 20 69 66 20 28 61 72 67 |;.X.X | if (arg|
|00000f90| 63 20 3c 20 31 20 7c 7c | 20 61 72 67 63 20 3e 20 |c < 1 ||| argc > |
|00000fa0| 32 29 20 7b 0a 58 75 73 | 61 67 65 3a 20 20 28 76 |2) {.Xus|age: (v|
|00000fb0| 6f 69 64 29 66 70 75 74 | 73 28 22 55 73 61 67 65 |oid)fput|s("Usage|
|00000fc0| 3a 20 6c 6f 6f 6b 20 5b | 2d 64 66 5d 20 73 74 72 |: look [|-df] str|
|00000fd0| 69 6e 67 20 5b 66 69 6c | 65 5d 5c 6e 22 2c 20 73 |ing [fil|e]\n", s|
|00000fe0| 74 64 65 72 72 29 3b 0a | 58 20 20 20 20 20 20 20 |tderr);.|X |
|00000ff0| 20 65 78 69 74 28 45 52 | 52 29 3b 0a 58 20 20 20 | exit(ER|R);.X |
|00001000| 20 7d 0a 58 20 20 20 20 | 73 74 72 69 6e 67 20 3d | }.X |string =|
|00001010| 20 2a 61 72 67 76 3b 0a | 58 20 20 20 20 69 66 20 | *argv;.|X if |
|00001020| 28 2a 2b 2b 61 72 67 76 | 29 0a 58 20 20 20 20 20 |(*++argv|).X |
|00001030| 20 20 20 66 69 6c 65 20 | 3d 20 2a 61 72 67 76 3b | file |= *argv;|
|00001040| 0a 58 20 20 20 20 65 6c | 73 65 0a 58 20 20 20 20 |.X el|se.X |
|00001050| 20 20 20 20 66 6f 6c 64 | 20 3d 20 64 69 63 74 20 | fold| = dict |
|00001060| 3d 20 31 3b 0a 58 0a 58 | 20 20 20 20 72 65 74 75 |= 1;.X.X| retu|
|00001070| 72 6e 20 73 65 61 72 63 | 68 28 73 74 72 69 6e 67 |rn searc|h(string|
|00001080| 2c 20 66 69 6c 65 29 3b | 0a 58 7d 0a 58 0a 58 2f |, file);|.X}.X.X/|
|00001090| 2a 0a 58 20 2a 20 73 65 | 61 72 63 68 20 2d 2d 0a |*.X * se|arch --.|
|000010a0| 58 20 2a 20 20 73 65 61 | 72 63 68 20 61 20 73 6f |X * sea|rch a so|
|000010b0| 72 74 65 64 20 66 69 6c | 65 20 66 6f 72 20 6c 69 |rted fil|e for li|
|000010c0| 6e 65 73 20 62 65 67 69 | 6e 6e 69 6e 67 20 77 69 |nes begi|nning wi|
|000010d0| 74 68 20 73 74 72 69 6e | 67 0a 58 20 2a 20 20 61 |th strin|g.X * a|
|000010e0| 64 61 70 74 65 64 20 66 | 72 6f 6d 20 62 69 6e 73 |dapted f|rom bins|
|000010f0| 65 61 72 63 68 28 29 2c | 20 4b 26 52 20 32 6e 64 |earch(),| K&R 2nd|
|00001100| 20 65 64 2e 0a 58 20 2a | 2f 0a 58 73 74 61 74 69 | ed..X *|/.Xstati|
|00001110| 63 0a 58 73 65 61 72 63 | 68 28 73 74 72 69 6e 67 |c.Xsearc|h(string|
|00001120| 2c 20 66 69 6c 65 29 0a | 58 20 20 20 20 63 68 61 |, file).|X cha|
|00001130| 72 20 2a 73 74 72 69 6e | 67 3b 0a 58 20 20 20 20 |r *strin|g;.X |
|00001140| 63 68 61 72 20 2a 66 69 | 6c 65 3b 0a 58 7b 0a 58 |char *fi|le;.X{.X|
|00001150| 20 20 20 20 46 49 4c 45 | 20 2a 66 70 3b 0a 58 20 | FILE| *fp;.X |
|00001160| 20 20 20 63 68 61 72 20 | 62 75 66 5b 42 55 46 53 | char |buf[BUFS|
|00001170| 49 5a 5d 2c 20 73 61 76 | 65 5b 42 55 46 53 49 5a |IZ], sav|e[BUFSIZ|
|00001180| 5d 3b 0a 58 20 20 20 20 | 6f 66 66 5f 74 20 6c 6f |];.X |off_t lo|
|00001190| 77 2c 20 6d 69 64 2c 20 | 68 69 67 68 2c 20 73 61 |w, mid, |high, sa|
|000011a0| 76 65 6d 69 64 20 3d 20 | 2d 31 3b 0a 58 20 20 20 |vemid = |-1;.X |
|000011b0| 20 6f 66 66 5f 74 20 66 | 6f 75 6e 64 20 3d 20 2d | off_t f|ound = -|
|000011c0| 31 3b 0a 58 20 20 20 20 | 72 65 67 69 73 74 65 72 |1;.X |register|
|000011d0| 20 63 68 61 72 20 2a 74 | 3b 0a 58 20 20 20 20 73 | char *t|;.X s|
|000011e0| 74 72 75 63 74 20 73 74 | 61 74 20 73 62 75 66 3b |truct st|at sbuf;|
|000011f0| 0a 58 20 20 20 20 73 69 | 7a 65 5f 74 20 73 6c 65 |.X si|ze_t sle|
|00001200| 6e 20 3d 20 73 74 72 6c | 65 6e 28 73 74 72 69 6e |n = strl|en(strin|
|00001210| 67 29 3b 0a 58 20 20 20 | 20 69 6e 74 20 6e 2c 20 |g);.X | int n, |
|00001220| 72 65 73 20 3d 20 31 3b | 20 20 20 20 20 20 20 20 |res = 1;| |
|00001230| 20 20 20 20 20 20 20 20 | 20 2f 2a 20 6e 6f 74 20 | | /* not |
|00001240| 66 6f 75 6e 64 20 2a 2f | 0a 58 0a 58 20 20 20 20 |found */|.X.X |
|00001250| 69 66 20 28 28 66 70 20 | 3d 20 66 72 65 6f 70 65 |if ((fp |= freope|
|00001260| 6e 28 66 69 6c 65 2c 20 | 22 72 22 2c 20 73 74 64 |n(file, |"r", std|
|00001270| 69 6e 29 29 20 3d 3d 20 | 4e 55 4c 4c 0a 58 20 20 |in)) == |NULL.X |
|00001280| 20 20 7c 7c 20 73 74 61 | 74 28 66 69 6c 65 2c 20 | || sta|t(file, |
|00001290| 26 73 62 75 66 29 20 21 | 3d 20 30 29 20 7b 0a 58 |&sbuf) !|= 0) {.X|
|000012a0| 20 20 20 20 20 20 20 20 | 2f 2a 20 61 76 6f 69 64 | |/* avoid|
|000012b0| 20 74 68 65 20 70 72 69 | 6e 74 66 20 6b 69 74 63 | the pri|ntf kitc|
|000012c0| 68 65 6e 20 73 69 6e 6b | 20 2a 2f 0a 58 20 20 20 |hen sink| */.X |
|000012d0| 20 20 20 20 20 28 76 6f | 69 64 29 20 66 70 75 74 | (vo|id) fput|
|000012e0| 73 28 22 6c 6f 6f 6b 3a | 20 63 61 6e 27 74 20 61 |s("look:| can't a|
|000012f0| 63 63 65 73 73 20 22 2c | 20 73 74 64 65 72 72 29 |ccess ",| stderr)|
|00001300| 3b 0a 58 20 20 20 20 20 | 20 20 20 28 76 6f 69 64 |;.X | (void|
|00001310| 29 20 66 70 75 74 73 28 | 66 69 6c 65 2c 20 73 74 |) fputs(|file, st|
|00001320| 64 65 72 72 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |derr);.X| |
|00001330| 28 76 6f 69 64 29 20 66 | 70 75 74 73 28 22 5c 6e |(void) f|puts("\n|
|00001340| 22 2c 20 73 74 64 65 72 | 72 29 3b 0a 58 20 20 20 |", stder|r);.X |
|00001350| 20 20 20 20 20 72 65 74 | 75 72 6e 20 45 52 52 3b | ret|urn ERR;|
|00001360| 0a 58 20 20 20 20 7d 0a | 58 20 20 20 20 6c 6f 77 |.X }.|X low|
|00001370| 20 3d 20 30 3b 0a 58 20 | 20 20 20 68 69 67 68 20 | = 0;.X | high |
|00001380| 3d 20 73 62 75 66 2e 73 | 74 5f 73 69 7a 65 3b 0a |= sbuf.s|t_size;.|
|00001390| 58 20 20 20 20 63 6f 6d | 70 61 72 65 20 3d 20 64 |X com|pare = d|
|000013a0| 69 63 74 20 3f 20 64 73 | 74 72 6e 63 6d 70 20 3a |ict ? ds|trncmp :|
|000013b0| 20 73 74 72 6e 63 6d 70 | 3b 0a 58 20 20 20 20 69 | strncmp|;.X i|
|000013c0| 66 20 28 66 6f 6c 64 29 | 0a 58 20 20 20 20 20 20 |f (fold)|.X |
|000013d0| 20 20 66 6f 72 20 28 74 | 3d 73 74 72 69 6e 67 3b | for (t|=string;|
|000013e0| 20 2a 74 3b 20 2a 74 20 | 3d 20 74 6f 6c 6f 77 65 | *t; *t |= tolowe|
|000013f0| 72 28 2a 74 29 2c 20 74 | 2b 2b 29 0a 58 20 20 20 |r(*t), t|++).X |
|00001400| 20 20 20 20 20 20 20 20 | 20 3b 0a 58 0a 58 20 20 | | ;.X.X |
|00001410| 20 20 77 68 69 6c 65 20 | 28 6c 6f 77 20 3c 20 68 | while |(low < h|
|00001420| 69 67 68 29 20 7b 0a 58 | 20 20 20 20 20 20 20 20 |igh) {.X| |
|00001430| 6d 69 64 20 3d 20 28 6c | 6f 77 2b 68 69 67 68 29 |mid = (l|ow+high)|
|00001440| 20 2f 20 32 3b 0a 58 20 | 20 20 20 20 20 20 20 69 | / 2;.X | i|
|00001450| 66 20 28 62 61 63 6b 75 | 70 28 26 6c 6f 77 2c 20 |f (backu|p(&low, |
|00001460| 26 6d 69 64 2c 20 26 68 | 69 67 68 29 20 3d 3d 20 |&mid, &h|igh) == |
|00001470| 2d 31 20 7c 7c 20 6d 69 | 64 20 3d 3d 20 73 61 76 |-1 || mi|d == sav|
|00001480| 65 6d 69 64 29 0a 58 20 | 20 20 20 20 20 20 20 20 |emid).X | |
|00001490| 20 20 20 62 72 65 61 6b | 3b 0a 58 20 20 20 20 20 | break|;.X |
|000014a0| 20 20 20 73 61 76 65 6d | 69 64 20 3d 20 6d 69 64 | savem|id = mid|
|000014b0| 3b 0a 58 20 20 20 20 20 | 20 20 20 69 66 20 28 66 |;.X | if (f|
|000014c0| 73 65 65 6b 28 66 70 2c | 20 6d 69 64 2c 20 30 29 |seek(fp,| mid, 0)|
|000014d0| 20 21 3d 20 30 20 7c 7c | 20 67 65 74 73 28 62 75 | != 0 ||| gets(bu|
|000014e0| 66 29 20 3d 3d 20 4e 55 | 4c 4c 29 0a 58 20 20 20 |f) == NU|LL).X |
|000014f0| 20 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 | | return |
|00001500| 45 52 52 3b 0a 58 0a 58 | 20 20 20 20 20 20 20 20 |ERR;.X.X| |
|00001510| 69 66 20 28 66 6f 6c 64 | 29 0a 58 20 20 20 20 20 |if (fold|).X |
|00001520| 20 20 20 20 20 20 20 66 | 6f 72 20 28 74 3d 62 75 | f|or (t=bu|
|00001530| 66 3b 20 2a 74 3b 20 2a | 74 20 3d 20 74 6f 6c 6f |f; *t; *|t = tolo|
|00001540| 77 65 72 28 2a 74 29 2c | 20 74 2b 2b 29 0a 58 20 |wer(*t),| t++).X |
|00001550| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 3b | | ;|
|00001560| 0a 58 20 20 20 20 20 20 | 20 20 6e 20 3d 20 28 2a |.X | n = (*|
|00001570| 63 6f 6d 70 61 72 65 29 | 28 73 74 72 69 6e 67 2c |compare)|(string,|
|00001580| 20 62 75 66 2c 20 73 6c | 65 6e 29 3b 0a 58 20 20 | buf, sl|en);.X |
|00001590| 20 20 20 20 20 20 69 66 | 20 28 6e 20 3c 20 30 29 | if| (n < 0)|
|000015a0| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 68 69 |.X | hi|
|000015b0| 67 68 20 3d 20 6d 69 64 | 20 2d 20 31 3b 0a 58 20 |gh = mid| - 1;.X |
|000015c0| 20 20 20 20 20 20 20 65 | 6c 73 65 20 69 66 20 28 | e|lse if (|
|000015d0| 6e 20 3e 20 30 29 0a 58 | 20 20 20 20 20 20 20 20 |n > 0).X| |
|000015e0| 20 20 20 20 6c 6f 77 20 | 3d 20 6d 69 64 20 2b 20 | low |= mid + |
|000015f0| 31 3b 0a 58 20 20 20 20 | 20 20 20 20 65 6c 73 65 |1;.X | else|
|00001600| 20 7b 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.X | |
|00001610| 66 6f 75 6e 64 20 3d 20 | 6d 69 64 3b 20 20 20 20 |found = |mid; |
|00001620| 20 20 20 20 20 20 20 20 | 2f 2a 20 73 61 76 65 20 | |/* save |
|00001630| 6f 66 66 73 65 74 20 6f | 66 20 66 6f 75 6e 64 20 |offset o|f found |
|00001640| 73 74 72 69 6e 67 20 2a | 2f 0a 58 20 20 20 20 20 |string *|/.X |
|00001650| 20 20 20 20 20 20 20 68 | 69 67 68 20 3d 20 6d 69 | h|igh = mi|
|00001660| 64 20 2d 20 31 3b 0a 58 | 20 20 20 20 20 20 20 20 |d - 1;.X| |
|00001670| 20 20 20 20 69 66 20 28 | 73 74 72 6c 65 6e 28 62 | if (|strlen(b|
|00001680| 75 66 29 20 3d 3d 20 73 | 6c 65 6e 29 0a 58 20 20 |uf) == s|len).X |
|00001690| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 62 72 | | br|
|000016a0| 65 61 6b 3b 0a 58 20 20 | 20 20 20 20 20 20 7d 0a |eak;.X | }.|
|000016b0| 58 20 20 20 20 7d 0a 58 | 20 20 20 20 69 66 20 28 |X }.X| if (|
|000016c0| 66 6f 75 6e 64 20 3e 3d | 20 30 29 20 7b 0a 58 20 |found >=| 0) {.X |
|000016d0| 20 20 20 20 20 20 20 69 | 66 20 28 66 73 65 65 6b | i|f (fseek|
|000016e0| 28 66 70 2c 20 66 6f 75 | 6e 64 2c 20 30 29 20 21 |(fp, fou|nd, 0) !|
|000016f0| 3d 20 30 29 0a 58 20 20 | 20 20 20 20 20 20 20 20 |= 0).X | |
|00001700| 20 20 72 65 74 75 72 6e | 20 45 52 52 3b 0a 58 20 | return| ERR;.X |
|00001710| 20 20 20 20 20 20 20 77 | 68 69 6c 65 20 28 67 65 | w|hile (ge|
|00001720| 74 73 28 62 75 66 29 20 | 21 3d 20 4e 55 4c 4c 29 |ts(buf) |!= NULL)|
|00001730| 20 7b 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.X | |
|00001740| 69 66 20 28 66 6f 6c 64 | 29 20 7b 0a 58 20 20 20 |if (fold|) {.X |
|00001750| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 28 76 6f | | (vo|
|00001760| 69 64 29 73 74 72 63 70 | 79 28 73 61 76 65 2c 20 |id)strcp|y(save, |
|00001770| 62 75 66 29 3b 0a 58 20 | 20 20 20 20 20 20 20 20 |buf);.X | |
|00001780| 20 20 20 20 20 20 20 66 | 6f 72 20 28 74 3d 62 75 | f|or (t=bu|
|00001790| 66 3b 20 2a 74 3b 20 2a | 74 20 3d 20 74 6f 6c 6f |f; *t; *|t = tolo|
|000017a0| 77 65 72 28 2a 74 29 2c | 20 74 2b 2b 29 0a 58 20 |wer(*t),| t++).X |
|000017b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000017c0| 20 20 20 3b 0a 58 20 20 | 20 20 20 20 20 20 20 20 | ;.X | |
|000017d0| 20 20 7d 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 | }.X | |
|000017e0| 20 69 66 20 28 28 2a 63 | 6f 6d 70 61 72 65 29 28 | if ((*c|ompare)(|
|000017f0| 73 74 72 69 6e 67 2c 20 | 62 75 66 2c 20 73 6c 65 |string, |buf, sle|
|00001800| 6e 29 20 21 3d 20 30 29 | 0a 58 20 20 20 20 20 20 |n) != 0)|.X |
|00001810| 20 20 20 20 20 20 20 20 | 20 20 62 72 65 61 6b 3b | | break;|
|00001820| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 28 76 |.X | (v|
|00001830| 6f 69 64 29 70 75 74 73 | 28 66 6f 6c 64 20 3f 20 |oid)puts|(fold ? |
|00001840| 73 61 76 65 20 3a 20 62 | 75 66 29 3b 0a 58 20 20 |save : b|uf);.X |
|00001850| 20 20 20 20 20 20 7d 0a | 58 20 20 20 20 20 20 20 | }.|X |
|00001860| 20 72 65 73 20 3d 20 30 | 3b 20 20 20 20 20 20 20 | res = 0|; |
|00001870| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 2f 2a 20 | | /* |
|00001880| 66 6f 75 6e 64 20 2a 2f | 0a 58 20 20 20 20 7d 0a |found */|.X }.|
|00001890| 58 20 20 20 20 28 76 6f | 69 64 29 66 63 6c 6f 73 |X (vo|id)fclos|
|000018a0| 65 28 66 70 29 3b 0a 58 | 20 20 20 20 72 65 74 75 |e(fp);.X| retu|
|000018b0| 72 6e 20 72 65 73 3b 0a | 58 7d 0a 58 0a 58 2f 2a |rn res;.|X}.X.X/*|
|000018c0| 0a 58 20 2a 20 62 61 63 | 6b 75 70 20 2d 2d 0a 58 |.X * bac|kup --.X|
|000018d0| 20 2a 20 20 73 65 61 72 | 63 68 20 62 61 63 6b 77 | * sear|ch backw|
|000018e0| 61 72 64 73 20 66 6f 72 | 20 6e 65 77 6c 69 6e 65 |ards for| newline|
|000018f0| 20 2d 20 69 66 20 6e 6f | 6e 65 20 66 6f 75 6e 64 | - if no|ne found|
|00001900| 0a 58 20 2a 20 20 74 68 | 65 6e 20 72 65 76 65 72 |.X * th|en rever|
|00001910| 73 65 20 64 69 72 65 63 | 74 69 6f 6e 20 61 6e 64 |se direc|tion and|
|00001920| 20 73 74 61 72 74 20 6f | 76 65 72 0a 58 20 2a 2f | start o|ver.X */|
|00001930| 0a 58 73 74 61 74 69 63 | 20 6f 66 66 5f 74 0a 58 |.Xstatic| off_t.X|
|00001940| 62 61 63 6b 75 70 28 6c | 6f 77 2c 20 6f 66 66 73 |backup(l|ow, offs|
|00001950| 65 74 2c 20 68 69 67 68 | 29 0a 58 20 20 20 20 72 |et, high|).X r|
|00001960| 65 67 69 73 74 65 72 20 | 6f 66 66 5f 74 20 2a 6c |egister |off_t *l|
|00001970| 6f 77 2c 20 2a 6f 66 66 | 73 65 74 2c 20 2a 68 69 |ow, *off|set, *hi|
|00001980| 67 68 3b 0a 58 7b 0a 58 | 20 20 20 20 72 65 67 69 |gh;.X{.X| regi|
|00001990| 73 74 65 72 20 69 6e 74 | 20 63 3b 0a 58 20 20 20 |ster int| c;.X |
|000019a0| 20 72 65 67 69 73 74 65 | 72 20 69 6e 74 20 69 6e | registe|r int in|
|000019b0| 63 20 3d 20 2d 31 3b 0a | 58 20 20 20 20 6f 66 66 |c = -1;.|X off|
|000019c0| 5f 74 20 73 61 76 65 20 | 3d 20 2a 6f 66 66 73 65 |_t save |= *offse|
|000019d0| 74 3b 0a 58 0a 58 20 20 | 20 20 69 66 20 28 2a 6f |t;.X.X | if (*o|
|000019e0| 66 66 73 65 74 20 3d 3d | 20 30 29 0a 58 20 20 20 |ffset ==| 0).X |
|000019f0| 20 20 20 20 20 72 65 74 | 75 72 6e 28 2a 6f 66 66 | ret|urn(*off|
|00001a00| 73 65 74 29 3b 0a 58 0a | 58 20 20 20 20 66 6f 72 |set);.X.|X for|
|00001a10| 20 28 3b 20 2a 6f 66 66 | 73 65 74 20 3c 20 2a 68 | (; *off|set < *h|
|00001a20| 69 67 68 20 26 26 20 66 | 73 65 65 6b 28 73 74 64 |igh && f|seek(std|
|00001a30| 69 6e 2c 20 2a 6f 66 66 | 73 65 74 2c 20 30 29 20 |in, *off|set, 0) |
|00001a40| 3d 3d 20 30 3b 20 2a 6f | 66 66 73 65 74 20 2b 3d |== 0; *o|ffset +=|
|00001a50| 20 69 6e 63 29 20 7b 0a | 58 20 20 20 20 20 20 20 | inc) {.|X |
|00001a60| 20 63 20 3d 20 67 65 74 | 63 68 61 72 28 29 3b 0a | c = get|char();.|
|00001a70| 58 20 20 20 20 20 20 20 | 20 69 66 20 28 63 20 3d |X | if (c =|
|00001a80| 3d 20 27 5c 6e 27 20 7c | 7c 20 2a 6f 66 66 73 65 |= '\n' ||| *offse|
|00001a90| 74 20 3d 3d 20 30 29 0a | 58 20 20 20 20 20 20 20 |t == 0).|X |
|00001aa0| 20 20 20 20 20 72 65 74 | 75 72 6e 20 28 2a 6f 66 | ret|urn (*of|
|00001ab0| 66 73 65 74 20 3d 3d 20 | 30 29 20 3f 20 2a 6f 66 |fset == |0) ? *of|
|00001ac0| 66 73 65 74 20 3a 20 28 | 2a 6f 66 66 73 65 74 29 |fset : (|*offset)|
|00001ad0| 2b 2b 3b 0a 58 20 20 20 | 20 20 20 20 20 65 6c 73 |++;.X | els|
|00001ae0| 65 20 69 66 20 28 63 20 | 3d 3d 20 45 4f 46 29 20 |e if (c |== EOF) |
|00001af0| 20 20 20 20 20 2f 2a 20 | 73 68 6f 75 6c 64 20 6e | /* |should n|
|00001b00| 65 76 65 72 20 68 61 70 | 70 65 6e 20 2a 2f 0a 58 |ever hap|pen */.X|
|00001b10| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 72 65 61 | | brea|
|00001b20| 6b 3b 0a 58 20 20 20 20 | 20 20 20 20 69 66 20 28 |k;.X | if (|
|00001b30| 2a 6f 66 66 73 65 74 20 | 3c 3d 20 2a 6c 6f 77 29 |*offset |<= *low)|
|00001b40| 20 7b 20 20 2f 2a 20 73 | 74 61 72 74 20 6f 76 65 | { /* s|tart ove|
|00001b50| 72 2c 20 72 65 76 65 72 | 73 69 6e 67 20 64 69 72 |r, rever|sing dir|
|00001b60| 65 63 74 69 6f 6e 20 2a | 2f 0a 58 20 20 20 20 20 |ection *|/.X |
|00001b70| 20 20 20 20 20 20 20 2a | 6f 66 66 73 65 74 20 3d | *|offset =|
|00001b80| 20 73 61 76 65 3b 0a 58 | 20 20 20 20 20 20 20 20 | save;.X| |
|00001b90| 20 20 20 20 69 6e 63 20 | 3d 20 31 3b 0a 58 20 20 | inc |= 1;.X |
|00001ba0| 20 20 20 20 20 20 7d 0a | 58 20 20 20 20 7d 0a 58 | }.|X }.X|
|00001bb0| 20 20 20 20 72 65 74 75 | 72 6e 20 2d 31 4c 3b 0a | retu|rn -1L;.|
|00001bc0| 58 7d 0a 58 0a 58 2f 2a | 0a 58 20 2a 20 64 73 74 |X}.X.X/*|.X * dst|
|00001bd0| 72 6e 63 6d 70 20 2d 2d | 0a 58 20 2a 20 20 64 69 |rncmp --|.X * di|
|00001be0| 63 74 69 6f 6e 61 72 79 | 20 73 74 72 6e 63 6d 70 |ctionary| strncmp|
|00001bf0| 28 29 20 2d 20 6f 6e 6c | 79 20 61 6c 70 68 61 20 |() - onl|y alpha |
|00001c00| 63 68 61 72 61 63 74 65 | 72 73 2c 0a 58 20 2a 20 |characte|rs,.X * |
|00001c10| 20 64 69 67 69 74 73 2c | 20 62 6c 61 6e 6b 73 20 | digits,| blanks |
|00001c20| 61 6e 64 20 74 61 62 73 | 20 70 61 72 74 69 63 69 |and tabs| partici|
|00001c30| 70 61 74 65 20 69 6e 20 | 63 6f 6d 70 61 72 69 73 |pate in |comparis|
|00001c40| 6f 6e 73 0a 58 20 2a 2f | 0a 58 73 74 61 74 69 63 |ons.X */|.Xstatic|
|00001c50| 0a 58 64 73 74 72 6e 63 | 6d 70 28 73 31 2c 20 73 |.Xdstrnc|mp(s1, s|
|00001c60| 32 2c 20 6e 29 0a 58 20 | 20 20 20 72 65 67 69 73 |2, n).X | regis|
|00001c70| 74 65 72 20 63 68 61 72 | 20 2a 73 31 2c 20 2a 73 |ter char| *s1, *s|
|00001c80| 32 3b 0a 58 20 20 20 20 | 72 65 67 69 73 74 65 72 |2;.X |register|
|00001c90| 20 73 69 7a 65 5f 74 20 | 6e 3b 0a 58 7b 0a 58 20 | size_t |n;.X{.X |
|00001ca0| 20 20 20 66 6f 72 20 28 | 3b 20 6e 2d 2d 3b 20 73 | for (|; n--; s|
|00001cb0| 31 2b 2b 2c 20 73 32 2b | 2b 29 20 7b 0a 58 20 20 |1++, s2+|+) {.X |
|00001cc0| 20 20 20 20 20 20 77 68 | 69 6c 65 20 28 2a 73 31 | wh|ile (*s1|
|00001cd0| 20 26 26 20 21 28 69 73 | 61 6c 70 68 61 28 2a 73 | && !(is|alpha(*s|
|00001ce0| 31 29 20 7c 7c 20 69 73 | 64 69 67 69 74 28 2a 73 |1) || is|digit(*s|
|00001cf0| 31 29 20 7c 7c 20 69 73 | 73 70 61 63 65 28 2a 73 |1) || is|space(*s|
|00001d00| 31 29 29 29 0a 58 20 20 | 20 20 20 20 20 20 20 20 |1))).X | |
|00001d10| 20 20 73 31 2b 2b 3b 0a | 58 20 20 20 20 20 20 20 | s1++;.|X |
|00001d20| 20 69 66 20 28 2a 73 31 | 20 3d 3d 20 27 5c 30 27 | if (*s1| == '\0'|
|00001d30| 29 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 62 |).X | b|
|00001d40| 72 65 61 6b 3b 0a 58 20 | 20 20 20 20 20 20 20 77 |reak;.X | w|
|00001d50| 68 69 6c 65 20 28 2a 73 | 32 20 26 26 20 21 28 69 |hile (*s|2 && !(i|
|00001d60| 73 61 6c 70 68 61 28 2a | 73 32 29 20 7c 7c 20 69 |salpha(*|s2) || i|
|00001d70| 73 64 69 67 69 74 28 2a | 73 32 29 20 7c 7c 20 69 |sdigit(*|s2) || i|
|00001d80| 73 73 70 61 63 65 28 2a | 73 32 29 29 29 0a 58 20 |sspace(*|s2))).X |
|00001d90| 20 20 20 20 20 20 20 20 | 20 20 20 73 32 2b 2b 3b | | s2++;|
|00001da0| 0a 58 20 20 20 20 20 20 | 20 20 69 66 20 28 2a 73 |.X | if (*s|
|00001db0| 31 20 21 3d 20 2a 73 32 | 29 0a 58 20 20 20 20 20 |1 != *s2|).X |
|00001dc0| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 2a 73 | r|eturn *s|
|00001dd0| 31 20 2d 20 2a 73 32 3b | 0a 58 20 20 20 20 7d 0a |1 - *s2;|.X }.|
|00001de0| 58 20 20 20 20 72 65 74 | 75 72 6e 20 30 3b 0a 58 |X ret|urn 0;.X|
|00001df0| 7d 0a 58 0a 58 2f 2a 20 | 65 6e 64 20 6f 66 20 6c |}.X.X/* |end of l|
|00001e00| 6f 6f 6b 2e 63 20 2a 2f | 0a 45 4e 44 5f 4f 46 5f |ook.c */|.END_OF_|
|00001e10| 46 49 4c 45 0a 69 66 20 | 74 65 73 74 20 34 34 32 |FILE.if |test 442|
|00001e20| 35 20 2d 6e 65 20 60 77 | 63 20 2d 63 20 3c 27 6c |5 -ne `w|c -c <'l|
|00001e30| 6f 6f 6b 2e 63 27 60 3b | 20 74 68 65 6e 0a 20 20 |ook.c'`;| then. |
|00001e40| 20 20 65 63 68 6f 20 73 | 68 61 72 3a 20 5c 22 27 | echo s|har: \"'|
|00001e50| 6c 6f 6f 6b 2e 63 27 5c | 22 20 75 6e 70 61 63 6b |look.c'\|" unpack|
|00001e60| 65 64 20 77 69 74 68 20 | 77 72 6f 6e 67 20 73 69 |ed with |wrong si|
|00001e70| 7a 65 21 0a 66 69 0a 23 | 20 65 6e 64 20 6f 66 20 |ze!.fi.#| end of |
|00001e80| 27 6c 6f 6f 6b 2e 63 27 | 0a 66 69 0a 65 63 68 6f |'look.c'|.fi.echo|
|00001e90| 20 73 68 61 72 3a 20 45 | 6e 64 20 6f 66 20 73 68 | shar: E|nd of sh|
|00001ea0| 65 6c 6c 20 61 72 63 68 | 69 76 65 2e 0a 65 78 69 |ell arch|ive..exi|
|00001eb0| 74 20 30 0a 2d 2d 20 0a | 52 6f 67 65 72 20 41 2e |t 0.-- .|Roger A.|
|00001ec0| 20 43 6f 72 6e 65 6c 69 | 75 73 20 20 20 20 20 20 | Corneli|us |
|00001ed0| 20 20 20 20 72 61 63 40 | 73 68 65 72 70 61 2e 55 | rac@|sherpa.U|
|00001ee0| 55 43 50 20 20 20 20 20 | 20 20 20 20 75 75 6e 65 |UCP | uune|
|00001ef0| 74 21 73 68 65 72 70 61 | 21 72 61 63 0a 0a |t!sherpa|!rac.. |
+--------+-------------------------+-------------------------+--------+--------+