Date: Thu, 26 Jun 2008 20:35:21 +0530 From: "N. Raghavendra" <raghu@mri.ernet.in> To: juri_mian@yahoo.com Cc: freebsd-questions@freebsd.org Subject: Re: why can't I use $1 in .cshrc ? Message-ID: <867iccp77y.fsf@riemann.mri.ernet.in> In-Reply-To: <510944.89845.qm@web45604.mail.sp1.yahoo.com> (Juri Mianovich's message of "Thu, 26 Jun 2008 05:04:52 -0700 (PDT)") References: <510944.89845.qm@web45604.mail.sp1.yahoo.com>
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At 2008-06-26T05:04:52-07:00, Juri Mianovich wrote: > I am trying to use this alias in my root .cshrc file: > > grep $1 /some/file > > but .cshrc _refuses_ to expand $1 as a proper variable (in this > case, the first argument to the alias...) > > I _think_ it's because $1 is being interpreted as a argument to csh > _itself_ when it runs .cshrc ... but maybe I'm wrong. > > Anyway, how to make it work ? See the tcsh(1) section `Alias substitution': "If the alias contains a history reference, it undergoes History substitution (q.v.) as though the original command were the previous input line." [riemann:/home/raghu]% alias foo "grep \!^ /etc/passwd" [riemann:/home/raghu]% foo toor toor:*:0:0:Bourne-again Superuser:/root: [riemann:/home/raghu]% alias bar "grep \!:1 \!:2" [riemann:/home/raghu]% bar '^man' /etc/passwd man:*:9:9:Mister Man Pages:/usr/share/man:/usr/sbin/nologin HTH, Raghavendra. -- N. Raghavendra <raghu@mri.ernet.in> | http://www.retrotexts.net/ Harish-Chandra Research Institute | http://www.mri.ernet.in/ See message headers for contact and OpenPGP information.
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