Date: Mon, 23 Dec 2002 01:12:22 +0100 From: Roman Neuhauser <neuhauser@bellavista.cz> To: BSD Freak <bsd-freak@mbox.com.au> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Padding expr output Message-ID: <20021223001222.GA42622@freepuppy.bellavista.cz> In-Reply-To: <108151f107bf32.107bf32108151f@mbox.com.au> References: <108151f107bf32.107bf32108151f@mbox.com.au>
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# bsd-freak@mbox.com.au / 2002-12-23 10:57:19 +1100:
> Hi all,
>
> I am usiung expr in a shell script and need to pad it's output to
> always be 3 characters. An example will explain thing better:
>
> % expr 007 + 1
> Output is 8
>
> I need the output to be 008
printf(8)
zero-padded integer and octal, respectively:
roman@freepuppy ~ 1029:0 > printf "%03d\n" $(expr 8 + 1)
009
roman@freepuppy ~ 1030:0 > printf "%#o\n" $(expr 8 + 1)
011
roman@freepuppy ~ 1031:0 >
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