Standard Library/compare
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Overview | android | break | colib | compare | coutil | dates | debug | dir | dll | files | jade | jal | stdlib | strings | sysenv | text | unxlib
This script defines comparison utilities and is included in the J standard library. Definitions are loaded into the jcompare locale with cover functions in z.
Definitions
| C | compare |
| F | fcompare, fcompares |
compare (verb)
Compare character data.
Syntax:
text1 compare text2
Arguments may be character strings or character matrices with trailing blanks ignored.
Result shows lines not matched, in form:
n [l] text
where:
n = 0=left argument, 1=right argument
[l] = line number
text = text on line
fcompare (verb)
Compare two text files.
Syntax:
opt fcompare files
where:
opt is optional suffix
files is 2 file names or prefixes, given
either as character string cut on blanks
or as 2-element boxed list
Example:
fcompare '~mywork/myutil.ijs ~/jbak/mywork/myutil.ijs' '/myutil.ijs' fcompare jpath '~mywork';'/jbak/mywork'
fcompares (verb)
as fcompare but ignoring different line separators