* no wildcards/anchors allowed in pattern? ${f:s/pattern/_s&} @ 2022-09-08 11:56 zzapper [not found] ` <826663136.300323.1662640732618@mail.virginmedia.com> 0 siblings, 1 reply; 3+ messages in thread From: zzapper @ 2022-09-08 11:56 UTC (permalink / raw) To: Zsh-Users List Hi This works for me and allows me to use memory '&' but I'm frustrated that I don't seem to be able to use anchors / wildcards etc in the pattern f=dog.png ;echo $f '->' ${f:s/./_s&} dog.png -> dog_s.png the alternative syntax allows pattern to be a regexp but has no regexp memory f=dog.png.png ;echo $f '->' ${f/%.png/_s.png} dog.png.png -> dog.png_s.png (be delighted to be told I'm wrong!) zzapper ^ permalink raw reply [flat|nested] 3+ messages in thread
[parent not found: <826663136.300323.1662640732618@mail.virginmedia.com>]
* Re: no wildcards/anchors allowed in pattern? ${f:s/pattern/_s&} [not found] ` <826663136.300323.1662640732618@mail.virginmedia.com> @ 2022-09-08 13:16 ` Peter Stephenson 2022-09-08 13:57 ` zzapper 0 siblings, 1 reply; 3+ messages in thread From: Peter Stephenson @ 2022-09-08 13:16 UTC (permalink / raw) To: zsh-user Sorry, didn't go to the list, agian... > On 08/09/2022 12:56 zzapper <zsh@rayninfo.co.uk> wrote: > This works for me and allows me to use memory '&' but I'm frustrated > that I don't seem to be able to use anchors / wildcards etc in the pattern > > f=dog.png ;echo $f '->' ${f:s/./_s&} > dog.png -> dog_s.png > > the alternative syntax allows pattern to be a regexp but has no regexp > memory > > > f=dog.png.png ;echo $f '->' ${f/%.png/_s.png} > dog.png.png -> dog.png_s.png The pattern expansion case has this syntax: f=stuff.png print ${foo/%(#m).png/_$MATCH} stuff_.png Look up the "m" globbing flag. pws ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: no wildcards/anchors allowed in pattern? ${f:s/pattern/_s&} 2022-09-08 13:16 ` Peter Stephenson @ 2022-09-08 13:57 ` zzapper 0 siblings, 0 replies; 3+ messages in thread From: zzapper @ 2022-09-08 13:57 UTC (permalink / raw) To: zsh-users On 08/09/2022 14:16, Peter Stephenson wrote: > Sorry, didn't go to the list, agian... > >> On 08/09/2022 12:56 zzapper <zsh@rayninfo.co.uk> wrote: >> This works for me and allows me to use memory '&' but I'm frustrated >> that I don't seem to be able to use anchors / wildcards etc in the pattern >> >> f=dog.png ;echo $f '->' ${f:s/./_s&} >> dog.png -> dog_s.png >> >> the alternative syntax allows pattern to be a regexp but has no regexp >> memory >> >> >> f=dog.png.png ;echo $f '->' ${f/%.png/_s.png} >> dog.png.png -> dog.png_s.png > The pattern expansion case has this syntax: > > f=stuff.png > print ${foo/%(#m).png/_$MATCH} > stuff_.png > > Look up the "m" globbing flag. > > pws > thanks this does what I require accepts *.{jpg,jpeg,png,gif} f=stuff.jpg; print ${f/%(#m).[pjg][npi]e#[gf]/_s$MATCH} stuff_s.jpg zzapper ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-09-08 13:58 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-09-08 11:56 no wildcards/anchors allowed in pattern? ${f:s/pattern/_s&} zzapper [not found] ` <826663136.300323.1662640732618@mail.virginmedia.com> 2022-09-08 13:16 ` Peter Stephenson 2022-09-08 13:57 ` zzapper
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