Date: Thu, 24 Jun 2010 08:39:33 -1000 From: Parv <parv@pair.com> To: Carl Johnson <carlj@peak.org>, freebsd-questions@freebsd.org Subject: Re: check for numeric content in a shell script (FreeBSD sh) Message-ID: <20100624183933.GA50443@holstein.holy.cow> In-Reply-To: <20100624183407.GA49923@holstein.holy.cow> References: <4C22B3D7.6070102@comclark.com> <20100624033257.2D074BEA6@kev.msw.wpafb.af.mil> <87lja4mlme.fsf@cjlinux.localnet> <87hbksmk6y.fsf@cjlinux.localnet> <87d3vgmj1s.fsf@cjlinux.localnet> <20100624183407.GA49923@holstein.holy.cow>
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in message <20100624183407.GA49923@holstein.holy.cow>, wrote parv@pair.com thusly... > > # Matches a number, either positive (without '+' sign) or > # negative, which is either a whole number; or a real number > # ending with decimal point, or a real number with or without > # leading digits before the decimal point. . ^ . ^ plural > ^ > -? > ( > [0-9] [.]? [0-9]* > | > [0-9]? [.] [0-9]+ . ^ . ^ oops Please change the immediately above regex portion to ... [0-9]* [.] [0-9]+ - parv > ) > $ --
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