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Shell Programming and Scripting

Equivalence classes don't work

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Top Forums Shell Programming and Scripting Equivalence classes don't work
# 1  
Old 12-19-2019
Quote:
Originally Posted by Scrutinizer
It appears that it has been implemented in the system's regex engine, but that it does not work with globbing. On Linux, in bash 4 compare:
Code:
$ touch Miraré
$ for file in M*; do if [[ $file == M*[[=e=]]* ]]; then echo "$file"; fi; done
$ for file in M*; do if [[ $file =~ ^M.*[[=e=]] ]]; then echo "$file"; fi; done
Miraré
$

I found this for Linux Standard Base Core Specification 4.1: Pattern Matching Notation


I do not know what is the case with Solaris 10. It may be that the equivalence classes were not specified in POSIX.1-2001 . Perhaps it was in Solaris 11, you would have to try that out...
I see. Well, on the one hand it's good they're available in regular expressions but it would be convenient to have them available as globs as well, especially for characters that I can't easily type using my keyboard without a long key combination and memorizing numbers.


Thanks for your help, Scrutinize!
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