C Shells
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"Allowed $foo substitution"? CED does have the SYNonym facility… look in the
documentation. It doesn't do full substitution anywhere in the command line,
but certainly for the 'verb' part. It also has %1..%9 arguments like MS-DOS
batch files. The commercial version (to be released RSN) does even more, but
I'm not sure what. What were you trying to say? – Bela