Re: Extract substring from cat
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On Sun, Oct 18, 2015 at 09:58:01PM +0200, Kurt Flex wrote:
> On Fri, Oct 16, 2015 at 03:14:31PM +0200, tomas@tuxteam.de wrote:
> > On Fri, Oct 16, 2015 at 02:54:25PM +0200, Nemeth Gyorgy wrote:
> > > 2015-10-16 14:15 keltezéssel, Alfred Charles Stockton írta:
> > > cat /etc/*-release | grep ^PRETTY_NAME | sed 's/^.*=//'
> >
> > Many insightful answers have been given. Yours is an example of "useless
> > use of cat" [1], better spelt as
> >
> > grep ^PRETTY_NAME /etc/*-release | sed 's/^.*=//'
> >
> > Even better, since sed can do grep:
> >
> > sed -ne '/^PRETTY_NAME=/ s/^.*=// p' < /etc/*-release
>
> Not if there may be more than one file matching the pattern. In that
> case at least your "better" example breaks. It can be fixed by
> omitting "<".
You are right, of course. Thanks :-)
- -- tomás
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)
iEUEARECAAYFAlYj8pwACgkQBcgs9XrR2kanlQCYsVXb2pIomOKeQaqCNTbEKrqZ
dQCfSIKTynqVZCWbxKlfc6NL/AVBNvI=
=I46h
-----END PGP SIGNATURE-----
Reply to: