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COMPARE.HLP
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2000-06-30
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ZCPR3 File Comparison Utilities
C - CRC
D - DIFF
:D
Command: DIFF 2.0
Syntax:
DIFF dir:ufn o...
or
DIFF dir:ufn1,dir:ufn2 o...
Function:
DIF╞á i≤ useΣ t∩ comparσ tw∩ files«á I⌠ caε bσ madσ t∩ ì
simpl∙á statσá iµá thσ tw∩á file≤á arσá differen⌠á (stoppinτ ì
immediatel∙ afte≥ thσ firs⌠ differencσ i≤ located⌐ o≥ i⌠ caε ì
lis⌠ al∞ oµ thσ difference≤ betweeε tw∩ file≤ oε ß byte-for-ì
bytσ basis.
The form: DIFF dir:ufn o...
compare≤á thσ filσ iε thσ indicateΣ director∙ witΦ thσá filσ ì
b∙ thσ samσ namσ iε thσ curren⌠ directory.
The form: DIFF dir:ufn1,dir:ufn2 o...
compares the two files indicated.
Options:
C - Compare Files Only and Stop at First Difference
M - Multiple Runs
When a comparison is complete, prompt the user
for new disks, allow him to change disks, and then
run the comparison again until the user says to stop
Comments:
Iµá useΣá t∩ prin⌠ ou⌠ differences¼á DIF╞ present≤á thσ ì
following information to the user:
o Relative Offset from the beginning of the file
o Byte values in the two files:
- in Decimal
- in Hexadecimal
- in ASCII
Selected Error Messages:
"AF╬á No⌠á Allowedó mean≤ tha⌠ thσá use≥á specifieΣá aε ì
ambiguou≤ filσ namσ (onσ containinτ wilΣ cards)«á BotΦ filσ ì
names must be unambiguous.
Examples of Use:
DIFF text:myfile.txt
- prints differences between MYFILE.TXT in TEXT:
and MYFILE.TXT in current directory
DIFF myfile.txt
- compares MYFILE.TXT against itself
DIFF backup:myfile.txt mc
- compares MYFILE.TXT in BACKUP: with MYFILE.TXT
in the current directory; stops as soon as
a difference is found; when done, prompts
the user to change disks (BACKUP could be a
floppy, and this command is checking to see
tha⌠ al∞ copie≤ oµ MYFILE.TX╘ oε several
disks are the same
:C
Command: CRC 2.0
Syntax:
CRC dir:afn1,dir:afn2,... o...
Function:
Thσá CR├ Checδ Utilit∙ distributeΣ witΦ ZCPR│á compute≤ ì
CR├á value≤á fo≥á ß lis⌠ oµ files«á I⌠ use≤á thσá samσá CR├ ì
computatioε algorithφ employeΣ b∙ KeitΦ Peterseε iε hi≤ CRC╦ ì
program¼ anΣ thσ value≤ comσ ou⌠ thσ same.
Thσá CR├á Checδá Utilit∙ compute≤ thσ CR├ value≤á oµá ß ì
selecteΣ se⌠ oµ file≤ anΣ print≤ ou⌠ thσ filσá names¼á thei≥ ì
size≤ (iε term≤ oµ ╦ byte≤ anΣ numbe≥ oµ records)¼ anΣ thei≥ ì
CR├á value≤ iε hexadecimal«á ┴ coun⌠ oµ thσ numbe≥ oµ line≤ ì
oµ codσ (assuminτ tex⌠ files⌐ anΣ ß commen⌠ associateΣá witΦ ì
eacΦá filσ caε bσ optionall∙ included«á ┴ lis⌠ oµ ambiguou≤ ì
file≤ name≤ ma∙ bσ provideΣ t∩ CRC.
Options:
C - Comment Output; add comments to output listing
on disk or printer
D - Disk Output; send output to the disk file CRC.CRC
I - Inspect Files and Approve Each File to be reported
on before output is produced
L - Count Lines of Text and include in output (assume
all files are text files)
P - Printer Output; send output to the printer
Comments:
CR├á i≤ usefu∞ iε transferrinτ file≤ froφ onσá sitσá t∩ ì
another«á Thσá CR├ value≤ oµ thσ file≤ caε bσ computeΣá anΣ ì
listeΣ a⌠ onσ site¼á transferred¼á anΣ compareΣ a⌠ thσ othe≥ ì
site.
Thσá ╠ optioε add≤ thσ utilit∙ oµ trackinτ codσ sizσ iε ì
terms of lines of code.
Selected Error Messages:
Self-Explanatory
Examples of Use:
CRC *.MAC L
-- Compute CRCs of all *.MAC files in the current
directory; include lines-of-code count in
display
CRC *.* DLC
-- Compute CRCs of all files, include count of
lines of text and comments on each file,
and write output to disk in file named
CRC.CRC