From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Bert Wesarg" <bert.wesarg@googlemail.com>
Subject: Re: command output to variables
Date: Wed, 7 Jan 2009 15:31:43 +0100
Message-ID: <36ca99e90901070631i2522a125uda7502b084758626@mail.gmail.com>
References: <1f714d50901070435h4b76e26brdb1eedddbdda4cc3@mail.gmail.com>
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To: Jai Sharma <jai.unix@gmail.com>
Cc: linux-c-programming@vger.kernel.org

On Wed, Jan 7, 2009 at 13:35, Jai Sharma <jai.unix@gmail.com> wrote:
> Hi All
>
> I m PHP, Perl programmer , but finally I need C to program in LInux.
> In perl I simply use `` operator to get command output.
>
> $who_output = `who` ;
>
>
> but in C , how can i get the output. Using system function i m easily
> run the command. But how to get its output .
>
> system("who");
use popen("who", "r") and read from the stream into a buffer

Bert
>
> Plz help
> --
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