WebIn bash and ksh93, read -n N will read a specific number ( N) of characters (or bytes). Other shells, such as dash or ash (which serves as sh on FreeBSD) and pdksh (which is sh and … WebMay 10, 2024 · $ read -s foo dash: 1: read: Illegal option -s read -s is a (bash?) extension. And probably just does the equivalent of stty -echo. All reactions ... using a subshell in order to silently test for 'set -o echo' support and avoid shell to abort when it got the illegal option. This discussion might be more "on topic" there. All reactions Sorry ...
command line - sh: 0: Illegal option -- - Ask Ubuntu
WebNov 28, 2016 · -l Make dash act as if it had been invoked as a login shell. Replacing --login with -l in your command should fix your issue. sudo -n -u contd sh -l -c ". If you want to invoke bash instead of dash simply call bash instead of sh. sudo -n -u contd bash --login -c ". Share Improve this answer Follow edited Nov 27, 2016 at 22:15 Web1 Answer. In bash, you can add -n 3 or -N 3 depending on the exact behavior you require. From help read: -n nchars return after reading NCHARS characters rather than waiting for … inaros mods warframe
zsh - ls gives me "illegal option" - Server Fault
WebApr 28, 2024 · 1. GNOME 42. Version 42 brings major changes to the GNOME desktop, and much of that finds its way into Ubuntu 22.04. Many of these have to do with GNOME's look and feel, which impacts Ubuntu despite Canonical's theming. Ubuntu looks a bit flatter, apps are rounder, and the panel loses arrows that point toward open menus. WebNov 15, 2012 · When the script is run, I get: read: line 6: illegal option -e In order to just figure out what is going on with the -e option I made a small test script that gives the error: Code: #!/bin/bash set -e echo "This is a test." read -e dir echo $dir Anyone know why I would be getting the illegal option -e? WebSep 25, 2024 · hello script.sh: 3: read: Illegal option -t script.sh: 4: script.sh: [ [: not found script.sh: 4: script.sh: [ [: not found But when I press on q button, it does not stop. It keeps running till I stop it using Ctrl + c. Any suggestions to fix this? bash scripts keyboard Share Improve this question Follow asked Sep 25, 2024 at 15:12 singrium inarrependivel