.TH TL 1df "Augusr 2016" "Manual page for tl" .SH NAME .B tl \- tag lines with a string prefix and/or suffix .SH USAGE .B tl [-p PREFIX] [-s SUFFIX] [--] [FILE1 FILE2 ...] .SH DESCRIPTION Tag lines from files or stdin with a string prefix or suffix before writing them to stdout. Specifying neither prefix nor suffix is acceptable, in which case the stream is simply reproduced on stdout, acting like cat(1). .P Specify a prefix with -p, and/or a suffix with -s. If no file arguments are given, defaults to reading standard input. .P $ tl -p 'file: ' /path/to/file $ dmesg | tl -s ' (stdout)' .SH SEE ALSO tlcs(1df) .SH AUTHOR Tom Ryder