.bp .au "TSC \- intro.xx" .c The tcgrep Program .2 \f(BItcgrep\fB is a glorified rewrite of \f(BIgrep\fBthat accepts full Perl-style regular expressions plus more. .2 While a little slower than things like \s-1GNU\s0 \f(BIgrep\fB, this program offers much more functionality. We can also: .sp .5 .3 recurse on directories .3 only look at text files .3 underline or highlight matches .3 handle compressed files .3 match complete paragraphs .2 It's a good example of nuermous useful techniques.