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Sat, 07 Jan 2023 05:54:15 -0800 (PST) MIME-Version: 1.0 References: <361494476.8470860.1673025799682@mail.virginmedia.com> In-Reply-To: From: Roman Perepelitsa Date: Sat, 7 Jan 2023 14:54:03 +0100 Message-ID: Subject: Re: Subscript flag (i) not working correctly on empty strings? To: Philippe Altherr Cc: Bart Schaefer , Peter Stephenson , Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 51286 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Sat, Jan 7, 2023 at 2:52 PM Roman Perepelitsa 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' fi The code I posted above is for arrays (even though it works for strings, too). Roman.