Date: Wed, 1 Aug 2007 09:47:44 -0500 From: Don Hinton <don.hinton@vanderbilt.edu> To: freebsd-questions@freebsd.org Cc: Robert Huff <roberthuff@rcn.com>, questions@freebsd.org Subject: Re: semi OT: sh scripting problem Message-ID: <200708010947.45000.don.hinton@vanderbilt.edu> In-Reply-To: <18096.39488.530454.883753@jerusalem.litteratus.org> References: <18096.39488.530454.883753@jerusalem.litteratus.org>
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On Wednesday 01 August 2007 09:35:44 Robert Huff wrote:
> (This is probably a FAQ, and I'll take a pointer (or even the
> magic words to identify the problem) instead of an answer.)
> Let's suppose I have a file FILE, with contents:
>
> foo
> bar grill
> baz
>
> If I do "cat FILE", everything comes out fine.
> If, however, I write a script:
>
>
> #!/bin/sh
>
> for i in `cat FILE`
> do
> .
> .
> .
> .
> done
>
> $i is set to
>
> foo
> bar
> grill
> baz
>
> Is there a way within the script - or, failing that, by
> modifying FILE - to not break at the whitespace?
I'm sure someone will give you a more elegant solution, but short of using sed
or awk (my preference), this might help:
$ cat test.sh
#!/bin/sh
myloop()
{
while read line; do
echo $line
done
}
cat test.sh | myloop
hth...
don
>
>
> Robert Huff
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--
Don Hinton <don.hinton at vanderbilt.edu> or <hintonda at gmail.com>
Institute for Software Integrated Systems (ISIS), Vanderbilt University
tel: 615.480.5667 or 615.870.9728
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