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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!dispatch.news.demon.net!demon!news.maxwell.syr.edu!news.mathworks.com!fu-berlin.de!irz401!orion.sax.de!uriah.heep!news From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: A simple csh script question Date: 17 Mar 1997 22:39:24 GMT Organization: Private BSD site, Dresden Message-ID: <5gkh6s$a3@uriah.heep.sax.de> References: <332D9485.27FD@injapan.net> Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) NNTP-Posting-Host: localhost.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: knews 0.9.6 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Lines: 24 Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:37221 Doug Lerner <doug@inJapan.net> wrote: > Can somebody answer a simple csh script question for me? In the Well, it's actually a (Posix) sh script. ;-) > following script, the last line won't work unless I add "eval" to the > front of the line. Without eval, the "~" mark does not cause the > expansion to the user's home directory, like it usually does. Why might > that be? > eval ls ~$id | grep forward Probably because $id doesn't constitute a word for the shell, but tilde expansion is defined for words only. By passing it to eval, the $id expansion will be done first, so the subshell eval'ing the result sees a word again. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)