Re: Hjælp til for-løkke i shell script

From: Michael Rasmussen (none@mir--datanom.net.lh.bsd-dk.dk)
Date: Mon 01 Nov 2004 - 16:59:07 CET 

Subject: Re: Hjælp til for-løkke i shell script
From: Michael Rasmussen <none@mir--datanom.net.lh.bsd-dk.dk>
To: bsd-dk liste <none@bsd-dk--bsd-dk.dk.lh.bsd-dk.dk>
Date: Mon, 01 Nov 2004 16:59:07 +0100

man, 01 11 2004 kl. 16:27 +0100, skrev Joachim Bondo:
> I koden
>
> for line in $(cat afile); do
> echo "$line"
> done
>
> hvor afile er
>
> First line
> Second line
>
> er outputtet:
>
> First
> line
> Second
> line
>
> echo-linien køres altså for hvert ord, da for-kaldet deler ved hvert
> ord.
Prøv i stedet for:
for line in "$(cat afile)"; do
        echo "$line"
done
Og du vil se løjer:-)
Hilsen/Regards
Michael Rasmussen

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--------------------------------------------------------------
Test programs at their boundary values.
- The Elements of Programming Style (Kernighan & Plaugher)

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