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st: which witch or witch which?
Just in time for Halloween, a devilishly simple utility program called -witch- has been placed on the Boston SSC archive. The whole
witch fname[.ftype] [, noall noalltypes]
That is, everything except a filename is optional... no tricks, just a treat.
The abstract claims, that "-witch- is a more comprehensive version of the Stata-supplied command -which-. Like -which-, it looks
for file "fname.ftype" along the S_ADO path. Unlike -which-, it reports the location of all files matching fname.ftype found along
the search path, not just the first one. Further, if ".ftype" is omitted, -witch- automatically searches along the ado-path for
"fname" with all ftype's .ado, .hlp, .dlg, .idlg, .class, .scheme, and ..style."
Realistically, -witch- is useful mostly for locating all locally installed versions of an .ado along with all versions of its
supporting .hlp and .dlg files.
Thomas J. Steichen
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