sed ? question

[Jeff Beadles]

In article <May.25.18.16.13.1989.2763 at athos.rutgers.edu> mende at athos.rutgers.edu (Bob Mende Pie) writes:
>In article <1415 at xn.LL.MIT.EDU> rkc at XN.LL.MIT.EDU (rkc) writes:
>> I have an application where I want to run a file through cpp and then 
>> strip that file of all the nasties that cpp generates, namely:
>> 	2. The many blank lines.
>
>   to do this I use    egrep -v '^$'

This will not work if the line has any whitespace on it.  This should do
everything that he wants with one sed command.  The 2nd -e sequence will
delete any empty line, or one containing only white space.

cat file | sed -e '/^#.*$/d' -e '/^[ 	]*$/d'

There's a space and a tab between the []'s.

	-Jeff
--
Jeff Beadles		Utek Sustaining Engineering, Tektronix Inc.
jeff at quark.WV.TEK.COM