Read: illegal option -a
WebJul 6, 2013 · read statement not working in a function Pls this is emergency.I have written a script which is taking input from another script. and the contents of my second script are acting as functions to my main script.Now the problem is that in one of the functions i want the script ececution to stop and start when user enters any character r... WebJun 8, 2024 · Illegal option -t is the error that you'd get if the read command is executed with sh instead of bash – steeldriver Oct 2, 2024 at 12:00 Add a comment 2 Here's another way to do it: #!/bin/bash printf "%s\n" "Do you want to un-Mount the External Drives?"
Read: illegal option -a
Did you know?
WebIn shell programming, we can read a line from standard input using the read command. The read command succeeds so long as a line can be read. If the input reaches end-of-file, however, the next read fails. This is exactly what happens in the cat command. This 'failure' status can be tested in a while statement like this: 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 ... Webread: Illegal option -i Why wouldn't read support providing a default if it's run via sh? But whatever, I'll remove the -i, being left with read -p "Name: " name echo $name Now if I run the script via cat provisioning.sh sh, it won't do anything. Why is that? Ubuntu 14.04. bash shell shell-script read Share Improve this question Follow
WebThe -n option to read is a bash extension, not found in some other shells. If you got the error read: Illegal option -n, it means you didn't run the script under bash. It's most likely that you ran the script under /bin/sh, and /bin/sh is not bash but dash (the error message is the one dash produces). WebTeams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams
WebMay 19, 2024 · In 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 ksh on OpenBSD), does not have a read that has this option. The tcsh and csh shells on FreeBSD also do not have read -n. Share Improve this answer Follow
WebThis is the line, that return the following error: /usr/local/bin/php-version.sh: 9: read: Illegal option -n But when I run the script via terminal ( ./file.sh ), there's no problem with this The Main Menu entry is bash usr/local/bin/php-version.sh File permissions are 755, owner is root. EDIT: /usr/local/bin/php-version.sh real betis v granada predictionWebMay 7, 2024 · Illegal option -r #1. Closed sunhuaiqiang opened this issue May 7, 2024 · 2 comments Closed Illegal option -r #1. sunhuaiqiang opened this issue May 7, 2024 · 2 comments Comments. Copy link ... to read #! /bin/bash This will force the script to use BASH instead of your default shell. Hopefully, in the future they will improve the ... how to tan faceWebApr 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. how to tan legs naturallyWeb1 Answer. Sorted by: 75. Should be: read -n 1 -p "Input Selection:" mainmenuinput. Need to put the n flag after, as that is is telling read to execute after N characters are entered, do not wait for an entire line. Check help read and this for details. Share. Improve this answer. real betis ticket pricesWeb1 Answer Sorted by: 5 read is a bash builtin, that has a -n option. You are likely running dash which is a simpler shell, where read -n elicits that very error message. Note that your … how to tan evenlyWebif you even find yourself without /bin/ls , (recovery limited shell / corruption / meltdown) then you can use. echo *. which will display file and directories in the current directory (it's not … how to tan easily in the sunWebread: 1: Illegal option -d If you do it while still in bash, it works fine. I therefore deduce that your script is not running under bash. Make sure that your script begins with the line: #!/usr/bin/env bash (or equivalent) so that the correct shell is running the script. real betis v barcelona sofascore