From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcel Holtmann <marcel@holtmann.org>
Subject: Re: [PATCH Cogito] Make use of external editor work like CVS
Date: Sun, 08 May 2005 23:43:20 +0200
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To: Petr Baudis <pasky@ucw.cz>
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Hi Petr,

> #/bin/sh
> 
> leading=1
> emptylines=0
> while read line; do
>         if ! [ "$line" ]; then
> 		[ "$leading" ] && continue
> 		emptylines=$(($emptylines + 1))
>         else
> 		leading=0
>                 while [ $emptylines -gt 0 ]; do
>                         echo ""
>                         emptylines=$(($emptylines - 1))
>                 done
>                 echo $line
>         fi
> done
> 
> or something? (Based on someone else's script since I was too lazy. ;-)

@@ -134,7 +134,7 @@
 else
        cat >>$LOGMSG2
 fi
-grep -v ^CG: $LOGMSG2 >$LOGMSG
+grep -v ^CG: $LOGMSG2 | sed '/./,${/./b;:a;$d;N;/\n$/ba;b;};d' >$LOGMSG
 rm $LOGMSG2
 
 
If you don't wanna squeeze then you can do it with a one-line in sed.

Regards

Marcel