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Date: Thu, 1 Jun 2006 20:43:45 +0530
From: "Joseph Koshy" <joseph.koshy@gmail.com>
To: "Michael Schuh" <michael.schuh@gmail.com>
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Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org
Subject: Re: Scope of Variables in sh
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> but this doesnt function right. so i see the behavior from
> $myline in the while-loop like an local variable......

If you are looking for function local variables,
use the "local" keyword.  For example:

++++ a.sh ++++
a=1
f()
{
        local a
        a=2
        echo B: In f: $a
}
echo A: Outside f: $a
f
echo C: Outside f: $a
++++++++

% sh a.sh
A: Outside f: 1
B: In f: 2
C: Outside f: 1

-- 
FreeBSD Volunteer,     http://people.freebsd.org/~jkoshy