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Top Forums Shell Programming and Scripting Delete lines where line length is < x Post 302437050 by daPeach on Tuesday 13th of July 2010 10:48:12 PM
Old 07-13-2010
sed is not keen at doing arithmetic evaluation. Smilie
You should need first to evaluate length though an *sh script, then pass line to sed, but then you loose sed's benefit.
using awk from the beginning, may be more obvious
 

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RCS2LOG(1)						    BSD General Commands Manual 						RCS2LOG(1)

NAME
rcs2log -- RCS to ChangeLog generator SYNOPSIS
rcs2log [-c changelog] [-h hostname] [-i indent] [-l length] [-R] [-r option] [-t tabwidth] [-u login<TAB>fullname<TAB>mailaddr] [-v] [--help] [--version] [file ...] DESCRIPTION
The rcs2log utility generates a change log prefix from RCS files (perhaps in the CVS repository) and the ChangeLog (if any). The options are as follows: -c changelog Output a change log prefix to changelog (default ChangeLog). -h hostname Use hostname in change log entries (default current host). -i indent Indent change log lines by indent spaces (default 8). -l length Try to limit log lines to length characters (default 79). -R If no file(s) are given and RCS is used, recurse through working directory. -r option Pass option to subsidiary log command. -t tabwidth Tab stops are every tabwidth characters (default 8). -u login<TAB>fullname<TAB>mailaddr Assume login has fullname and mailaddr. -v Append RCS revision to file names in log lines. --help Output help. --version Output version number. SEE ALSO
rcs(1), rcsintro(1), rlog(1), rcsfile(5) AUTHORS
Paul Eggert <eggert@twinsun.com> BUGS
Report bugs to <bug-gnu-emacs@gnu.org>. BSD
February 15, 2003 BSD
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