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From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Philippe Altherr <philippe.altherr@gmail.com>
Cc: Bart Schaefer <schaefer@brasslantern.com>,
	 Peter Stephenson <p.w.stephenson@ntlworld.com>,
	Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: Subscript flag (i) not working correctly on empty strings?
Date: Sat, 7 Jan 2023 14:54:03 +0100	[thread overview]
Message-ID: <CAN=4vMrNa87uWqJtmDqwAdnOOSF5KhzwhHs0a7s7SOqutZPULw@mail.gmail.com> (raw)
In-Reply-To: <CAN=4vMoQNwiFV6_hgbPMvr4F=ESpdmg-qVuRKMtazp-aHzov1Q@mail.gmail.com>

On Sat, Jan 7, 2023 at 2:52 PM Roman Perepelitsa
<roman.perepelitsa@gmail.com> wrote:
> Whenever I need to check whether a string/array contains a
> character/element, I do it like this:
>     if (( $input[(I):] )); then
>       print 'input contains colon'
>     fi

Correction: for strings I use pattern matching.

  if [[ $input == *:* ]]; then
    print 'input contains colon'

The code I posted above is for arrays (even though it works for strings, too).


  reply	other threads:[~2023-01-07 13:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-06 16:01 Philippe Altherr
2023-01-06 17:23 ` Peter Stephenson
2023-01-06 18:12   ` Bart Schaefer
2023-01-07 13:45     ` Philippe Altherr
2023-01-07 13:52       ` Roman Perepelitsa
2023-01-07 13:54         ` Roman Perepelitsa [this message]
2023-01-08 19:47     ` Peter Stephenson

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