Blank trimmer

[Maarten Litmaath]

tneff at bfmny0.UUCP (Tom Neff) writes:
\This is one of those nasty hacks purists get on your case for because
\you can do it all with sed(1).  [...]

Indeed!  Heh heh heh...
----------8<----------8<----------8<----------8<----------8<----------
#!/bin/sh

tab="	"

SED="
	s/[ $tab][ $tab]*$//
	/^$/{
		p
	: gap
		n
		s/[ $tab][ $tab]*$//
		/^$/b gap
	}
	p
"

sed -n "$SED" ${1+"$@"}
----------8<----------8<----------8<----------8<----------8<----------
-- 
C, the programming language that's the same |Maarten Litmaath @ VU Amsterdam:
         in all reference frames.           |maart at cs.vu.nl, mcvax!botter!maart