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Thu, 12 Oct 2023 11:39:38 -0700 (PDT) MIME-Version: 1.0 From: henman Date: Thu, 12 Oct 2023 11:39:26 -0700 Message-ID: Subject: To: zsh-users@zsh.org Content-Type: text/plain; charset="UTF-8" X-Seq: 29286 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: Subject: How to compare for control codes in a string X-Mailer: MH-E 8.6+git; GNU Mailutils 3.16; Emacs 29.1 -------- I want to see if the 1st character in a string is a formfeed and then remove it. I use the following script to check it if [[ $line[1] == '\f' ]] # Check if the 1st character is a formfeed then tmpline=${line[@]:1} # strip the ^f off fi but it's not working. How should it be checked? Thank you. ---------