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# compare: comparison utilities
Name | Type | Description
compare | verb | compare character data
fcompare | verb | compare two text files
compare
    compare character data

    returns list of differences.

    arguments may be character strings, with lines delimited
    by LF, or character matrices (trailing blanks ignored).

    for Mac, tolerates lines delimited by CR.

    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

    omits comparison of swapped lines where
    1e7 <: product of number of non-trivial lines
fcompare
    compare two text files

    form: opt fcompare files
      opt is optional suffix
      files is 2 file names or prefixes

    files as character string is cut on blanks

    example:

      fcompare jpath '~system\main\myutil.ijs \jbak\system\main\myutil.ijs'
      '\myutil.ijs' fcompare jpath '~system\main';'\jbak\system\main'
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