/ Usenet 1994 January / usenetsourcesnewsgroupsinfomagicjanuary1994.iso / sources / std_unix / v22 / 012

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 6a 73 71 | 40 63 73 2e 75 74 65 78 |From jsq|@cs.utex|
|00000010| 61 73 2e 65 64 75 20 20 | 54 75 65 20 4f 63 74 20 |as.edu  |Tue Oct |
|00000020| 33 30 20 32 33 3a 35 31 | 3a 35 34 20 31 39 39 30 |30 23:51|:54 1990|
|00000030| 0a 52 65 63 65 69 76 65 | 64 3a 20 66 72 6f 6d 20 |.Receive|d: from |
|00000040| 63 73 2e 75 74 65 78 61 | 73 2e 65 64 75 20 62 79 |cs.utexa|s.edu by|
|00000050| 20 75 75 6e 65 74 2e 75 | 75 2e 6e 65 74 20 28 35 | uunet.u|u.net (5|
|00000060| 2e 36 31 2f 31 2e 31 34 | 29 20 77 69 74 68 20 53 |.61/1.14|) with S|
|00000070| 4d 54 50 20 0a 09 69 64 | 20 41 41 30 35 37 30 34 |MTP ..id| AA05704|
|00000080| 3b 20 54 75 65 2c 20 33 | 30 20 4f 63 74 20 39 30 |; Tue, 3|0 Oct 90|
|00000090| 20 32 33 3a 35 31 3a 35 | 34 20 2d 30 35 30 30 0a | 23:51:5|4 -0500.|
|000000a0| 50 6f 73 74 65 64 2d 44 | 61 74 65 3a 20 33 30 20 |Posted-D|ate: 30 |
|000000b0| 4f 63 74 20 39 30 20 30 | 39 3a 30 31 3a 35 39 20 |Oct 90 0|9:01:59 |
|000000c0| 47 4d 54 0a 52 65 63 65 | 69 76 65 64 3a 20 62 79 |GMT.Rece|ived: by|
|000000d0| 20 63 73 2e 75 74 65 78 | 61 73 2e 65 64 75 20 28 | cs.utex|as.edu (|
|000000e0| 35 2e 36 34 2f 31 2e 38 | 32 29 20 0a 46 72 6f 6d |5.64/1.8|2) .From|
|000000f0| 3a 20 73 6b 65 40 70 6b | 6d 61 62 2e 73 65 20 28 |: ske@pk|mab.se (|
|00000100| 4b 72 69 73 74 6f 66 66 | 65 72 20 45 72 69 6b 73 |Kristoff|er Eriks|
|00000110| 73 6f 6e 29 0a 4e 65 77 | 73 67 72 6f 75 70 73 3a |son).New|sgroups:|
|00000120| 20 63 6f 6d 70 2e 73 74 | 64 2e 75 6e 69 78 0a 53 | comp.st|d.unix.S|
|00000130| 75 62 6a 65 63 74 3a 20 | 52 65 3a 20 46 69 6c 65 |ubject: |Re: File|
|00000140| 20 73 79 73 74 65 6d 20 | 6e 61 6d 65 20 73 70 61 | system |name spa|
|00000150| 63 65 20 28 2f 64 65 76 | 2f 66 64 29 0a 4d 65 73 |ce (/dev|/fd).Mes|
|00000160| 73 61 67 65 2d 49 64 3a | 20 3c 31 34 31 36 31 40 |sage-Id:| <14161@|
|00000170| 63 73 2e 75 74 65 78 61 | 73 2e 65 64 75 3e 0a 52 |cs.utexa|s.edu>.R|
|00000180| 65 66 65 72 65 6e 63 65 | 73 3a 20 3c 31 34 30 31 |eference|s: <1401|
|00000190| 32 40 63 73 2e 75 74 65 | 78 61 73 2e 65 64 75 3e |2@cs.ute|xas.edu>|
|000001a0| 20 3c 31 34 30 31 34 40 | 63 73 2e 75 74 65 78 61 | <14014@|cs.utexa|
|000001b0| 73 2e 65 64 75 3e 20 3c | 31 34 31 30 32 40 63 73 |s.edu> <|14102@cs|
|000001c0| 2e 75 74 65 78 61 73 2e | 65 64 75 3e 0a 53 65 6e |.utexas.|edu>.Sen|
|000001d0| 64 65 72 3a 20 6a 73 71 | 40 63 73 2e 75 74 65 78 |der: jsq|@cs.utex|
|000001e0| 61 73 2e 65 64 75 0a 4f | 72 67 61 6e 69 7a 61 74 |as.edu.O|rganizat|
|000001f0| 69 6f 6e 3a 20 50 65 72 | 69 64 6f 74 20 4b 6f 6e |ion: Per|idot Kon|
|00000200| 73 75 6c 74 20 69 20 4d | 65 6c 6c 61 6e 73 76 65 |sult i M|ellansve|
|00000210| 72 69 67 65 20 41 42 2c | 20 4f 65 72 65 62 72 6f |rige AB,| Oerebro|
|00000220| 2c 20 53 77 65 64 65 6e | 0a 58 2d 53 75 62 6d 69 |, Sweden|.X-Submi|
|00000230| 73 73 69 6f 6e 73 3a 20 | 73 74 64 2d 75 6e 69 78 |ssions: |std-unix|
|00000240| 40 75 75 6e 65 74 2e 75 | 75 2e 6e 65 74 0a 44 61 |@uunet.u|u.net.Da|
|00000250| 74 65 3a 20 33 30 20 4f | 63 74 20 39 30 20 30 39 |te: 30 O|ct 90 09|
|00000260| 3a 30 31 3a 35 39 20 47 | 4d 54 0a 52 65 70 6c 79 |:01:59 G|MT.Reply|
|00000270| 2d 54 6f 3a 20 73 74 64 | 2d 75 6e 69 78 40 75 75 |-To: std|-unix@uu|
|00000280| 6e 65 74 2e 75 75 2e 6e | 65 74 0a 54 6f 3a 20 73 |net.uu.n|et.To: s|
|00000290| 74 64 2d 75 6e 69 78 40 | 75 75 6e 65 74 2e 75 75 |td-unix@|uunet.uu|
|000002a0| 2e 6e 65 74 0a 0a 53 75 | 62 6d 69 74 74 65 64 2d |.net..Su|bmitted-|
|000002b0| 62 79 3a 20 73 6b 65 40 | 70 6b 6d 61 62 2e 73 65 |by: ske@|pkmab.se|
|000002c0| 20 28 4b 72 69 73 74 6f | 66 66 65 72 20 45 72 69 | (Kristo|ffer Eri|
|000002d0| 6b 73 73 6f 6e 29 0a 0a | 49 6e 20 61 72 74 69 63 |ksson)..|In artic|
|000002e0| 6c 65 20 3c 31 34 31 30 | 32 40 63 73 2e 75 74 65 |le <1410|2@cs.ute|
|000002f0| 78 61 73 2e 65 64 75 3e | 20 61 64 64 77 40 70 68 |xas.edu>| addw@ph|
|00000300| 63 6f 6d 70 2e 63 6f 2e | 75 6b 20 28 41 6c 61 69 |comp.co.|uk (Alai|
|00000310| 6e 20 57 69 6c 6c 69 61 | 6d 73 29 20 77 72 69 74 |n Willia|ms) writ|
|00000320| 65 73 3a 0a 0a 3e 3e 20 | 09 6a 6f 69 6e 20 3c 28 |es:..>> |.join <(|
|00000330| 70 72 6f 67 31 29 20 3c | 28 70 72 6f 67 32 29 20 |prog1) <|(prog2) |
|00000340| 3e 20 6a 6f 69 6e 65 64 | 2d 6f 75 74 70 75 74 2d |> joined|-output-|
|00000350| 6f 66 2d 70 72 6f 67 73 | 2d 31 2d 61 6e 64 2d 32 |of-progs|-1-and-2|
|00000360| 0a 0a 3e 41 6e 79 77 61 | 79 2c 20 74 68 65 20 61 |..>Anywa|y, the a|
|00000370| 62 6f 76 65 20 77 6f 75 | 6c 64 6e 27 74 20 77 6f |bove wou|ldn't wo|
|00000380| 72 6b 20 77 69 74 68 20 | 61 20 73 74 72 61 69 67 |rk with |a straig|
|00000390| 68 74 20 2f 64 65 76 2f | 66 64 20 61 73 20 68 61 |ht /dev/|fd as ha|
|000003a0| 73 20 62 65 65 6e 20 74 | 61 6c 6b 65 64 20 61 62 |s been t|alked ab|
|000003b0| 6f 75 74 0a 3e 68 65 72 | 65 20 72 65 63 65 6e 74 |out.>her|e recent|
|000003c0| 6c 79 2e 20 57 68 79 20 | 3f 20 54 68 65 20 74 72 |ly. Why |? The tr|
|000003d0| 6f 75 62 6c 65 20 69 73 | 20 74 68 61 74 20 69 66 |ouble is| that if|
|000003e0| 20 2f 64 65 76 2f 66 64 | 20 63 6f 6e 74 61 69 6e | /dev/fd| contain|
|000003f0| 73 20 66 69 6c 65 73 20 | 77 69 74 68 0a 3e 6e 61 |s files |with.>na|
|00000400| 6d 65 73 20 22 30 22 2c | 20 22 31 22 2c 20 2e 2e |mes "0",| "1", ..|
|00000410| 2e 20 22 31 39 22 2c 20 | 74 68 65 20 70 72 6f 67 |. "19", |the prog|
|00000420| 72 61 6d 73 20 70 72 6f | 67 31 20 26 20 70 72 6f |rams pro|g1 & pro|
|00000430| 67 32 20 77 6f 75 6c 64 | 20 62 6f 74 68 20 68 61 |g2 would| both ha|
|00000440| 76 65 20 61 20 66 69 6c | 65 0a 3e 2f 64 65 76 2f |ve a fil|e.>/dev/|
|00000450| 66 64 2f 31 20 61 73 20 | 74 68 65 69 72 20 73 74 |fd/1 as |their st|
|00000460| 64 6f 75 74 2c 20 6a 6f | 69 6e 20 77 6f 75 6c 64 |dout, jo|in would|
|00000470| 20 73 65 65 20 61 6e 6f | 74 68 65 72 20 2f 64 65 | see ano|ther /de|
|00000480| 76 2f 66 64 2f 31 2e 0a | 0a 54 68 61 74 27 73 20 |v/fd/1..|.That's |
|00000490| 6e 6f 74 20 68 6f 77 20 | 79 6f 75 20 64 6f 20 69 |not how |you do i|
|000004a0| 74 2e 20 50 72 6f 67 31 | 20 61 6e 64 20 70 72 6f |t. Prog1| and pro|
|000004b0| 67 32 20 6a 75 73 74 20 | 6f 75 74 70 75 74 20 74 |g2 just |output t|
|000004c0| 6f 20 74 68 65 69 72 20 | 73 74 61 6e 64 61 72 64 |o their |standard|
|000004d0| 0a 6f 75 74 70 75 74 73 | 2c 20 61 73 20 74 68 65 |.outputs|, as the|
|000004e0| 79 20 61 6c 77 61 79 73 | 20 64 6f 2c 20 61 6e 64 |y always| do, and|
|000004f0| 20 74 68 65 20 73 68 65 | 6c 6c 20 73 65 74 73 20 | the she|ll sets |
|00000500| 75 70 20 70 69 70 65 73 | 20 66 72 6f 6d 20 70 72 |up pipes| from pr|
|00000510| 6f 67 31 20 61 6e 64 20 | 70 72 6f 67 32 0a 74 6f |og1 and |prog2.to|
|00000520| 20 6a 6f 69 6e 2e 20 54 | 68 65 20 2f 64 65 76 2f | join. T|he /dev/|
|00000530| 66 64 20 6e 61 6d 65 73 | 20 66 6f 72 20 74 68 65 |fd names| for the|
|00000540| 73 65 20 70 69 70 65 73 | 2c 20 61 73 20 73 65 65 |se pipes|, as see|
|00000550| 6e 20 62 79 20 6a 6f 69 | 6e 2c 20 61 72 65 20 74 |n by joi|n, are t|
|00000560| 68 65 6e 20 70 61 73 73 | 65 64 0a 61 73 20 61 72 |hen pass|ed.as ar|
|00000570| 67 76 5b 5d 20 70 61 72 | 61 6d 65 74 65 72 73 20 |gv[] par|ameters |
|00000580| 74 6f 20 6a 6f 69 6e 2c | 20 74 6f 20 6d 61 6b 65 |to join,| to make|
|00000590| 20 69 74 20 72 65 61 64 | 20 74 68 65 6d 2e 20 50 | it read| them. P|
|000005a0| 72 6f 67 31 20 61 6e 64 | 20 70 72 6f 67 32 20 6e |rog1 and| prog2 n|
|000005b0| 65 76 65 72 0a 73 65 65 | 20 74 68 65 6d 2e 0a 2d |ever.see| them..-|
|000005c0| 2d 20 0a 4b 72 69 73 74 | 6f 66 66 65 72 20 45 72 |- .Krist|offer Er|
|000005d0| 69 6b 73 73 6f 6e 2c 20 | 50 65 72 69 64 6f 74 20 |iksson, |Peridot |
|000005e0| 4b 6f 6e 73 75 6c 74 20 | 41 42 2c 20 48 61 67 61 |Konsult |AB, Haga|
|000005f0| 67 61 74 61 6e 20 36 2c | 20 53 2d 37 30 33 20 34 |gatan 6,| S-703 4|
|00000600| 30 20 4f 65 72 65 62 72 | 6f 2c 20 53 77 65 64 65 |0 Oerebr|o, Swede|
|00000610| 6e 0a 50 68 6f 6e 65 3a | 20 2b 34 36 20 31 39 2d |n.Phone:| +46 19-|
|00000620| 31 33 20 30 33 20 36 30 | 20 20 21 20 20 65 2d 6d |13 03 60|  !  e-m|
|00000630| 61 69 6c 3a 20 73 6b 65 | 40 70 6b 6d 61 62 2e 73 |ail: ske|@pkmab.s|
|00000640| 65 0a 46 61 78 3a 20 20 | 20 2b 34 36 20 31 39 2d |e.Fax:  | +46 19-|
|00000650| 31 31 20 35 31 20 30 33 | 20 20 21 20 20 6f 72 20 |11 51 03|  !  or |
|00000660| 2e 2e 2e 21 7b 75 75 6e | 65 74 2c 6d 63 73 75 6e |...!{uun|et,mcsun|
|00000670| 7d 21 73 75 6e 69 63 2e | 73 75 6e 65 74 2e 73 65 |}!sunic.|sunet.se|
|00000680| 21 6b 75 6c 6c 6d 61 72 | 21 70 6b 6d 61 62 21 73 |!kullmar|!pkmab!s|
|00000690| 6b 65 0a 0a 56 6f 6c 75 | 6d 65 2d 4e 75 6d 62 65 |ke..Volu|me-Numbe|
|000006a0| 72 3a 20 56 6f 6c 75 6d | 65 20 32 32 2c 20 4e 75 |r: Volum|e 22, Nu|
|000006b0| 6d 62 65 72 20 31 32 0a | 0a                      |mber 12.|.       |
+--------+-------------------------+-------------------------+--------+--------+