Date: Thu, 1 Jun 2006 20:43:45 +0530 From: "Joseph Koshy" <joseph.koshy@gmail.com> To: "Michael Schuh" <michael.schuh@gmail.com> Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Scope of Variables in sh Message-ID: <84dead720606010813u5c5a3f6fo75c19b7f02e87f18@mail.gmail.com> In-Reply-To: <1dbad3150606010728l379e4c23p1a77558800498806@mail.gmail.com> References: <1dbad3150606010728l379e4c23p1a77558800498806@mail.gmail.com>
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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
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