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ref: 9b69f546334e94ec191d35b15dcaace98fbdcb1b
dir: /sys/man/1/idiff/

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.TH IDIFF 1
.SH NAME
idiff \- interactive diff
.SH SYNOPSIS
.B idiff
[
.B -bw
]
.I file1
.I file2
.SH DESCRIPTION
.I Idiff
interactively
merges 
.I file1
and 
.I file2
onto standard output.
Wherever
.I file1
and
.I file2
differ,
.I idiff
displays the differences in the style of
.RB `` diff
.BR -n ''
on standard error
and prompts the user to select a chunk.
Valid responses are:
.TP
.B <
Use the chunk from 
.IR file1 .
.TP
.B >
Use the chunk from
.IR file2 .
.TP
.B =
Use the diff output itself.
.TP
.BR q< ", " q> ", " q=
Use the given response for all future questions.
.TP
.BI ! cmd
Execute
.I cmd
and prompt again.
.PP
.I Idiff
invokes
.IR diff (1)
to compare the files.
The
.B -b
and
.B -w
flags,
if passed,
are
passed to
.IR diff .
.SH FILES
.B /tmp/idiff.*
.SH SOURCE
.B /sys/src/cmd/idiff.c
.SH "SEE ALSO
.IR diff (1)
.br
Kernighan and Pike,
.IR "The Unix Programming Environment" ,
Prentice-Hall, 1984.