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Shell Programming and Scripting

Equivalence classes don't work

 
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Old 12-13-2019
I was not clear. You thought your locale was messed up somehow, so I started at the beginning to debug it.
Looks okay. Next, tr has problems with equivlence classes
Code:
[aªáàâãäå]

This is the long form of an equivalence class. Try it (use whatever letter is handy)
Code:
echo "aªáàâãäå" | sed 's/[aªáàâãäå...]/a/g'

On Linux this fails for me:
Code:
$ echo "aªáàâãäå" | sed 's/[=a=]/x/g'
xªáàâãäå

The tr man page I have:
Quote:
Equivalence classes

The syntax [=C=] expands to all of the characters that are equivalent to C, in no particular order. Equivalence classes are a relatively recent invention intended to support non-English alphabets. But there seems to be no standard way to define them or determine their contents. Therefore, they are not fully implemented in GNU 'tr'; each character's equivalence class consists only of that character, which is of no particular use,
Try sed and use full classes to get past GNU problems. For Solaris I have no good answers, my home version is Solaris 9, and it is not POSIX compliant.
This User Gave Thanks to jim mcnamara For This Post:
Cacializ
 
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