Date: Fri, 31 Dec 2004 10:36:24 +0100 From: Olivier Gautherot <olivier@gautherot.net> To: Tom Huppi <thuppi@huppi.com> Cc: freebsd-newbies@freebsd.org Subject: Re: Shell Games Message-ID: <41D51D98.7010006@gautherot.net> In-Reply-To: <Pine.BSF.4.58.0412310336440.39721@nuumen.pair.com> References: <49B5BEF2.7CCF22F4.0F75C5EC@netscape.net> <1104458982.622.3.camel@chaucer> <F2007F7E-5AD6-11D9-BAFF-000D932D61F0@ohko.org> <afa60d2404123100235580cb3f@mail.gmail.com> <Pine.BSF.4.58.0412310336440.39721@nuumen.pair.com>
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Hi folks!
>>>FWIW, I've always used 'tcsh' interactively, but almost switched a
>>>while back out of disgust at not being able to figure out how to
>>>get a one-line foreach/{do_something}/end loop (which would allow
>>>me to re-run a complex command easily.)
>>>
>>>
>>I would recommend 'ksh' it does the tasks of both 'csh' and 'sh' with
>>advanced programming features, check out http://www.kornshell.com/
>>
>>
>
>As it happens, my attempts to do this one-liner with 'tcsh' were a
>direct result of watching someone who used 'ksh'. I thought it
>probable that 'bash' also could accomplish this feat (and maybe
>'tcsh' also if I could figure it out.) Anyone know?
>
>
The keyword is "for", not "foreach". Try:
bash-2.05b$ for n in tata tete titi toto tutu ; do echo "New item" ;
echo $n ; done
New item
tata
New item
tete
New item
titi
New item
toto
New item
tutu
bash-2.05b$
Note that the "do" must be followed directly by a command. A semicolon
(i.e. an empty command) is considered a syntax error.
My cent worth ;-)
Olivier
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