unify [OPTION]... [FILE]
unify - Transforms context diffs into unidiffs, or vice-versa.
force output to context diffs
echo comments to standard error
output old-style diffs, no matter what
generate patch format
-P same as -p
strip comment lines
force output to unidiffs
-U same as -p and -u
replace spaces by equal signs in unidiffs
--help display this help then exit
display program version then exit
If FILE is not specified, read standard input.
Written by Wayne Davison <email@example.com>.
Report bugs to <firstname.lastname@example.org>.
Copyright (C) 1994, 1997 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is
NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
The full documentation for unify is maintained as a Texinfo manual. If
the info and unify programs are properly installed at your site, the
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