From: Scott Frazer <frazer.scott@gmail.com>
To: zsh-users@zsh.org
Subject: Re: Interactive search on the command line?
Date: Fri, 4 Dec 2015 15:56:45 -0500 [thread overview]
Message-ID: <5661FE0D.7000604@gmail.com> (raw)
In-Reply-To: <151203165950.ZM13362@torch.brasslantern.com>
On 12/3/15 7:59 PM, Bart Schaefer wrote:
> On Dec 3, 11:39pm, Daniel Shahaf wrote:
> }
> } So, you could do something like this (using the (b::) subscript flag as
> } well):
> }
> } % () {
> } local haystack="$1"
> } local needle="a"
> } integer idx
> } while (( idx = ${haystack[(ib:idx+1:)${needle}]} ))
> } (( idx <= $#haystack ))
> } do
> } print -r - $haystack[idx,idx+$#needle-1]
> } done
> } } foobar
> } a
> } %
>
> This example might be a little clearer if we show the index where the
> match was found and use a match pattern longer than one character:
>
> % () {
> local haystack=$1 needle=$2
> integer idx
> while idx=${haystack[(ib:idx+1:)$needle]}
> (( idx <= $#haystack ))
> do
> print -r - $idx $haystack[idx,idx+$#needle-1]
> done
> } foobar 'o??'
> 2 oob
> 3 oba
> %
>
> (I also removed all redundant quotes and braces, since the original
> would only work in native zsh emulation anyway.)
>
Oh, it's a reverse lookup instead of walking through the entire
BUFFER. Neat! Code updated.
Scott
next prev parent reply other threads:[~2015-12-04 20:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-26 8:04 Dominik Vogt
2015-11-26 8:20 ` Mikael Magnusson
2015-11-27 7:03 ` lilydjwg
2015-11-27 7:34 ` Daniel Shahaf
2015-11-29 21:46 ` Scott Frazer
2015-11-30 3:19 ` Daniel Shahaf
2015-12-02 13:15 ` Scott Frazer
2015-12-03 23:39 ` Daniel Shahaf
2015-12-04 0:40 ` Ray Andrews
2015-12-04 0:50 ` Ray Andrews
2015-12-04 0:59 ` Bart Schaefer
2015-12-04 20:56 ` Scott Frazer [this message]
2015-12-05 10:00 ` Daniel Shahaf
2015-12-05 16:38 ` Mikael Magnusson
2015-12-05 21:07 ` Bart Schaefer
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