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fc
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1991-04-13
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FC
Compare files and report differences (ascii or binary)
See also <COMP> <DISKCOMP>
COMMAND TYPE: External VERSION: 4.0 and up
FC compares two files, or sets of files, and reports the differences
between them. It is more powerful than <COMP> and may be used with
binary or ascii (text) files.
USE:
(ascii) FC [/a][/c][/L][/Lb n][/n][/t][/w][/nnnn][d:]path1 [d:]path2
(bin) FC [/b][/nnnn] [d:]path1 [d:]path2
d: is an optional drive specified for either path1 or path2. Path1 and
path2 are the path and filenames of the files to compare
/a abbreviate output of ascii comparison - output only lines that begin
and end each set of differences.
/b binary compare - byte for byte comparison with no attempt to
resychronise after a mismatch. This is the default for .exe, .com,
.lib, .obj, .sys, or .bin type files.
/c ignore case in comparing ascii text
/L compare in ascii mode. This is default except as noted above.
/Lb n sets the internal bufffer to n lines (default is 100). Files which
have more than this number of consecutive mismatched lines will abort
the comparison.
/n display line numbers (ascii only)
/t do not expand tabs to spaces. Default is to treat tabs as spaces to 8
column positions
/w compress whitespace (multiple tabs or spaces) into a single space
before comparing
/nnn specified the number of lines that must match after a difference
before FC considers the files resynchronised (default is 2).