whatsnew.1

操作系统设计与实现源码

.TH WHATSNEW 1
.SH NAME
whatsnew \- print a newly modified file, marking changes
.SH SYNOPSIS
\fBwhatsnew\fR [\fB\-\fIn\fR] \fIfile.c file.c.cdif\fR
.br
.de FL
.TP
\\fB\\$1\\fR
\\$2
..
.de EX
.TP 20
\\fB\\$1\\fR
# \\$2
..
.SH OPTIONS
.FL "\-\fIn\fR" "Output line length"
.SH EXAMPLES
.EX "whatsnew file.c file.c.cdif" "Print \fIfile.c\fR with changes marked"
.EX "whatsnew \-70 file.c file.c.cdif" "Same as above, but with 70 col line"
.SH DESCRIPTION
.PP
It commonly occurs that \fIcdif\fRs are posted to USENET.
After installing a \fIcdif\fR file, it is sometimes desirable to print out
the new file, with the changes marked on it.
\fIWhatsnew\fR does precisely this, with the changes + and ! printed in the
right-hand margin.
.SH "SEE ALSO"
.BR diff (1),
.BR patch (1).