On 2023-04-13, Dr Rainer Woitok wrote:

> Greetings,
>
> does anybody know about some command to convert shell globs  (shell pat-
> terns) into regular expressions?   Back in the old Unix days there was a
> "glob" command, but "e-files" only turns up a GNU library.
>
> I am aware  of Python's  "fnmatch.translate()" function,  but this -- of
> course -- returns a  Python style  regular expression  which I can't use
> together with  "grep" or "gawk".   So using this function  would require
> moving and converting the "grep" and "gawk" specific code  from my Shell
> script into a separate Python script.   This would be doable,  if neces-
> sary, but I would prefer staying with just my Shell script.
>
> Any pointers heartily welcome :-)

What did the "glob" utility you remember do? Sources at TUHS have a
"glob" utility, but it seems to execute a given command after expanding
the glob, instead of outputting a translation (which I think is what
you're describing?).

Do you remember which system did you see this on? Perhaps this could be
a question for alt.folklore.computers or a comp.unix.* group on USENET
too!

The "glob" utility at TUHS:
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V5/usr/source/s1/glob.c

and the source for its online manual page from V6:
https://www.tuhs.org/cgi-bin/utree.pl?file=V6%2Fusr%2Fman%2Fman8%2Fglob.8

-- 
Nuno Silva


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