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From: Michael Paoli on 25 Jun 2010 00:55
On Jun 7, 12:47 am, David Kirkby <drkirkby(a)gmail.com> wrote:
> I think 'sed' is the tool for this, though I may be wrong.
>
> I have a list of files
>
> atlas-3.8.3.p12.spkg
> blas-20070724.spkg
> boehm_gc-7.1.p5.spkg
> boost-cropped-1.34.1.spkg
> cddlib-094f.p6.spkg
> cephes-2.8.spkg
> cliquer-1.2.p5.spkg
> conway_polynomials-0.2.spkg
> cvxopt-0.9.p8.spkg
> cython-0.12.1.spkg
> deps
> docutils-0.5.p0.spkg
> ecl-10.2.1.spkg
> eclib-20080310.p10.spkg
>
> and would like to remove the hyphen and all characters after them. So
> I get
>
> atlas
> blas
> boehm_gc
> boost-cropped
> cddlib
> cephes
> cliquer
> conway_polynomials
>
> etc
>
> What's the best way to do this?
>
> I note 'deps' has no hypen, but I think that is the only such case and
> can be handled manually if need be. There's about 100 of these, so
> whilst doing them manually is not impossible, it's a bit tedious.
>
> Note I actually want to remove the hyphen, so the subject line is
> slightly inaccurate, but any attempt I could think of to rewrite the
> subject line in a more accurate form just got too wordy. In any case,
> I know how to remove a hyphen easily.

sed -e 's/-.*$//'
From: Rakesh Sharma on 25 Jun 2010 07:58
On Jun 7, 12:47 pm, David Kirkby <drkir...(a)gmail.com> wrote:
> I think 'sed' is the tool for this, though I may be wrong.
>
> I have a list of files
>
> atlas-3.8.3.p12.spkg
> blas-20070724.spkg
> boehm_gc-7.1.p5.spkg
> boost-cropped-1.34.1.spkg
> cddlib-094f.p6.spkg
> cephes-2.8.spkg
> cliquer-1.2.p5.spkg
> conway_polynomials-0.2.spkg
> cvxopt-0.9.p8.spkg
> cython-0.12.1.spkg
> deps
> docutils-0.5.p0.spkg
> ecl-10.2.1.spkg
> eclib-20080310.p10.spkg
>
> and would like to remove the hyphen and all characters after them. So
> I get
>
> atlas
> blas
> boehm_gc
> boost-cropped
> cddlib
> cephes
> cliquer
> conway_polynomials
>
> etc
>
> What's the best way to do this?
>
> I note 'deps' has no hypen, but I think that is the only such case and
> can be handled manually if need be. There's about 100 of these, so
> whilst doing them manually is not impossible, it's a bit tedious.
>
> Note I actually want to remove the hyphen, so the subject line is
> slightly inaccurate, but any attempt I could think of to rewrite the
> subject line in a more accurate form just got too wordy. In any case,
> I know how to remove a hyphen easily.
>
> Dave

cut -c'-' -f1
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