Article View: comp.bugs.4bsd
Article #341Re: "Invalid null command"
From: Barton E. Schaefer
Date: Fri, 05 Apr 1991 03:33
Date: Fri, 05 Apr 1991 03:33
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In article <127435@uunet.UU.NET> rbj@uunet.UU.NET (Root Boy Jim) writes:
} In article <PPDuZ1w164w@dogface> writes:
} ?rcd@ico.isc.com (Dick Dunn) writes:
} ?> [users] are occasionally annoyed to find that csh rejects this syntax
} ?> with the confusing message "Invalid null command".
} ?
} ?What about
} ? cat /dev/null > splot
}
} OVERKILL! There is a builtin command, `:' which works nicely,
That's not a builtin command, it's a degenerate case of a label for goto!
For instance,
empty:>splot
if you think that's clearer. :-)
--
Bart Schaefer schaefer@zipcode.com
Z-Code Software Corporation schaefer@cse.ogi.edu
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!think.com!mintaka!ogicse!schaefer From: schaefer@ogicse.ogi.edu (Barton E. Schaefer) Newsgroups: comp.bugs.4bsd Subject: Re: "Invalid null command" Message-ID: <19642@ogicse.ogi.edu> Date: 5 Apr 91 03:33:44 GMT Article-I.D.: ogicse.19642 References: <1991Apr2.005620.11434@ico.isc.com> <PPDuZ1w164w@dogface> <127435@uunet.UU.NET> Distribution: na Organization: Oregon Graduate Institute (formerly OGC), Beaverton, OR Lines: 20