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Re: case $var in $list) issue


From: #!microsuxx
Subject: Re: case $var in $list) issue
Date: Fri, 1 Nov 2024 18:27:42 +0100

On Fri, Nov 1, 2024, 18:19 Zachary Santer <zsanter@gmail.com> wrote:

> On Fri, Nov 1, 2024 at 12:56 PM #!microsuxx <fxmbsw7@gmail.com> wrote:
> >
> > On Fri, Nov 1, 2024, 17:24 Zachary Santer <zsanter@gmail.com> wrote:
> >>
> >> IFS='|'
> >> if [[ one =~ ${array[*]} ]]; then
> >>   printf 'ye\n'
> >> fi
> >
> >
> > but enables free regex parsing in arr
> >
> > a bit further for complicated strings :
> > but still needs regex escaping
> > maybe replace every char to be inside a [<here>] char class
> >
> > arr=( a b c ) IFS=\|
> > arr=( "${arr[@]/#/^}" ) IFS=$' \t\n'
> > [[ one =~ ${arr[*]/%/$} ]]
> >
> > plus , regex escape
>
> Ah, yes.
>
> IFS='|'
> if [[ one =~ ${array[*]//[][}{)(.*?+|'"\]/\\&} ]]; then
>   printf 'ye\n'
> fi
>

i dunno this style
(.*? means first match only , like non greedy .* ?
since when does this work in bash
i remember from perl at around year 2003

i was speaking about

shopt -s patsub_replacement
echo ${arr[*]//?/[&]}

Your clock cycles are secure.
>

lol ..

Wouldn't the same thing apply to the extended pattern matching
> operators in your case?
>

hmm i dunno where the error is there
i showed echo $m showing weird
declare -p looks alright
case doesnt work
the echo is the weird'est

>


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