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Re: Question: variables and newlines


From: Paul Jarc
Subject: Re: Question: variables and newlines
Date: Thu, 22 Aug 2002 13:51:21 -0400
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i686-pc-linux-gnu)

Alexander Elgert <address@hidden> wrote:
> I tried to set newline chars at the end of a variable.
> But it does not seem to be possible:
>
>       $ IFS="" x="$(echo -en "www\n\n\n")"; echo -n "$x" | xxd
>       0000000: 7777 77                                  www

This is because of the command substitution, not the variable
assignment.

> How do I add newlines at the end of a string without "bad tricks" ?

You can't keep the newlines at the end of command substitution, but
you can put literal newlines in variables:
x="...
"


paul




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