On Aug 05 at 21:24, Udi Mottelo spoke:
On Sun, 4 Aug 2002, Hanspeter Roth wrote:
Is there a recipe to delete the remaining trailing blank lines?
Yes:
sed -e :a -e '/^\n*$/{$d;N;ba' -e '}'
Wow. Amazing.
I just don't understand how the conditional Next gets triggered.
I have change my mind. I want to just squeeze trailing blank lines to
a single one.
Now I've created something which seems to work:
/^$/{
n
/^$/{
:loop
N
/\n$/b loop
/./!d
}
}
-Hanspeter
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