Date: Mon, 12 Jul 2010 08:58:05 -0700 From: Chip Camden <sterling@camdensoftware.com> To: "questions@freebsd.org" <questions@freebsd.org> Subject: Re: .sh check for sufix g or m on size field Message-ID: <20100712155805.GD2192@libertas.local.camdensoftware.com> In-Reply-To: <4C3B26B4.1000208@comclark.com> References: <4C3B26B4.1000208@comclark.com>
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Quoth Aiza on Monday, 12 July 2010:
> Sorry miss send, was not done yet.
>
> Have a .sh script that accepts an -s sparse file size.
> Only 2 suffix's are valid m and g.
>
> Been trying to get this line of code to strip out just the single
> letter. But it strips the letter and every thing to the right of it.
>
> Timagesize=`echo-n "${imagesize}" | sed 's/g.*$//'`
>
> I plan to strip just the m or g if its there and the result should be
> numeric. If not numeric know invalid suffix.
>
> Need help with the sed syntax. Or if there is better way I want to learn
> it.
>
> Thanks
> _______________________________________________
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It sounds like what you want is simply:
sed 's/[gm]//'
Or am I missing something?
--
Sterling (Chip) Camden | sterling@camdensoftware.com | 2048D/3A978E4F
http://camdensoftware.com | http://chipstips.com | http://chipsquips.com
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