5 \fBcdiff\fR [\fB\-c\fIn\fR] \fIoldfile \fInewfile\fR
20 # Provide \fIn\fR lines of context
24 # Write context diff on \fIf\fR
26 .B cdiff \-c1 old new >f
27 # Use only 1 line of context
30 \fICdiff\fR produces a context diff by first running \fIdiff\fR and then
32 Some update programs, like \fIpatch\fR, can use context diffs to update
33 files, even in the presence of other, independent changes.