On 4/5/22 10:49 AM, Andreas Kusalananda Kähäri wrote: > When the ",", ",,", "^", and "^^" case-modifying operators were > introduced with Bash 4.0 some 13 years ago, the operators "~" and "~~" > were also introduced. These toggle the case of the first character that > match the pattern ("~") or the all characters that match the pattern > ("~~") in a similar manner as up-casing and down-casing is done with "^" > and ",". > > However, as far as I can see, the case-toggling operators remain > undocumented.
https://lists.gnu.org/archive/html/bug-bash/2019-08/msg00001.html -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/