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Usage: cdif [-Bvns] [-A #] [-C #] [-D #] [-I #] [-e #] [-[bwcu]] file1 file2
cdif [-rcs] [-q] [-rrev1 [-rrev2]] [$myname options] file
cdif [$myname options] [diff-output-file]
Options:
-B byte compare
-v use video standout (default for tty)
-n use nroff style overstrike (default for non-tty)
-b ignore trailing blank
-w ignore whitespace
-c[#] context diff
-u[#] unified diff (if diff has -u option)
-e # expression of `word' (default is '\w+')
-s show statistical information at the end
-A, -C, -D (Append, Change, Delete) takes one of
vso: video standout
vul: video underline
vbd: video bold
bd: nroff style overstrike
ul: nroff style underline
or any sequence or sequences separated by comma
-I specify string to be shown on insertion point
Following strings have special meanings.
vbar: print vertical bar at the point
caret: print caret under the point
-diff=command
specify any diff command
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