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Sat, 13 Jan 2024 12:02:18 -0800 (PST) MIME-Version: 1.0 References: <205735b2-11e1-4b5e-baa2-7418753f591f@eastlink.ca> In-Reply-To: From: Bart Schaefer Date: Sat, 13 Jan 2024 12:02:06 -0800 Message-ID: Subject: Slurping a file (was: more spllitting travails) To: Zsh Users Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 29468 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: On Fri, Jan 12, 2024 at 9:39=E2=80=AFPM Roman Perepelitsa wrote: > > The standard trick here is to print an extra character after the > content of the file and then remove it. This works when capturing > stdout of commands, too. This actually led me to the best (?) solution: IFS=3D read -rd '' file_content # Reads stdin until EOF and stores all read content in REPLY. > # On error, leaves REPLY unmodified and returns 1. > function slurp() { > emulate -L zsh -o no_multibyte > zmodload zsh/system || return > local content > while true; do > sysread 'content[$#content+1]' && continue You can speed this up a little by using the -c option to sysread to get back a count of bytes read, and accumulate that in another var to avoid having to re-calculate $#content on every loop. > (( $? =3D=3D 5 )) || return > break > done > typeset -g REPLY=3D$content > }