Does zsh have a hereis to variable???

Does zsh have a hereis to variable???

[zzapper]

Hi
I would like to load  a longish Perl Script into a variable without having to worry about what
quotes might appear in the script, I know zsh has hereis to a file, but to a variable ???

example of what I want to do (but with a longer perl script)

#!/bin/zsh
perlscript='for $i (1..4) { $j="goat$i"; print " billy$j"; }'
result=$(perl -e "$perlscript")
echo $result


zzapper (vim, cygwin, wiki & zsh)
--

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Re: Does zsh have a hereis to variable???

[Peter Stephenson]

zzapper wrote:
> Hi
> I would like to load  a longish Perl Script into a variable without having to
>  worry about what
> quotes might appear in the script, I know zsh has hereis to a file, but to a 
> variable ???

I think you want

var="$(<file)"

which puts the contents of file into the variable var without any
substitutions or splitting or joining on the contents.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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Re: Does zsh have a hereis to variable???

[zzapper]

On Fri, 24 Sep 2004 12:23:24 +0100,  wrote:

>zzapper wrote:
>> Hi
>> I would like to load  a longish Perl Script into a variable without having to
>>  worry about what
>> quotes might appear in the script, I know zsh has hereis to a file, but to a 
>> variable ???
>
>I think you want
>
>var="$(<file)"
>
>which puts the contents of file into the variable var without any
>substitutions or splitting or joining on the contents.

Peter,
In this this I want the perl to be inline and not in an external file (for portability)
zzapper (vim, cygwin, wiki & zsh)
--

vim -c ":%s%s*%CyrnfrTfcbafbeROenzSZbbyranne%|:%s)[R-T]) )Ig|:norm G1VGg?"

http://www.vim.org/tips/tip.php?tip_id=305  Best of Vim Tips

Re: Does zsh have a hereis to variable???

[Peter Stephenson]

zzapper wrote:
> In this this I want the perl to be inline and not in an external file (for po
> rtability)

Well, it's not very elegant, but you can do

var="$(cat <<'HERE'
while (<>) {
print $ENV{"PATH"};
}
HERE)"

where the quotes on the first HERE are important.  You can't have
unbalanced parentheses in the Perl code, however.  Double quotes aren't
a problem.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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