On Sun, Feb 05, 2006 at 07:02:10PM -0500, Chris F.A. Johnson wrote:
> On Sun, 5 Feb 2006, Felipe Kellermann wrote:
>
> >On Thu, 2 Feb 2006 11:13pm -0500, Mike Frysinger wrote:
> >
> >>upper case or lower case ... if 'tr' was a bash builtin, then that'd work
> >>with some `echo | tr` magic, but it something like
> >>${foo//[[:lower:]]/[[:upper:]]} would be nice
> >>-mike
> >
> >typeset -u (ksh, zsh) supported in bash would be nice...
> >
> > orchid% typeset -u fuu
>
> So long as it uses declare, not typeset :)
>
> > orchid% fuu=bar
> > orchid% echo $fuu
> > BAR
>
> I'd prefer variable expansion, perhaps the way Mike suggested, or,
> e.g.:
>
> $ foo=bar
> $ echo ${foo^} ## Convert first character
> Bar
> $ echo ${foo^^} ## Convert all characters
> BAR
> $ echo ${foo^[a-m]} ## Convert first character that matches pattern
> Bar
> $ echo ${foo^^[a-m]} ## Convert all characters that match pattern
> BAr
[...]
Also note zsh parameter expansion flags that can be easily
combined:
$ foo=bar
$ echo ${(U)foo}
BAR
$ echo ${(Ul:20::.:)foo}
.................BAR
$ echo ${(Uqq)foo}
'BAR'
--
Stéphane
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