Read: illegal option -a
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? Webset: Illegal option -o pipefail Why does this happen? I run the command on a completely new installed system and as part of a shell script. The code is placed right at the beginning: …
Read: illegal option -a
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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 ...
WebWhen I run .sh from launcher read -t is listed as illegal option. Several commands in my .sh are not executing properly when I run the .sh from the launcher. But they work just fine … Web1 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 …
WebWhen 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: … 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).
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: the rock liverpool fanWebApr 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. tracking an order numberWebHow to solve this problem "Illegal Option". I am just trying to read the password from command prompt that user should type with in 10 seconds, I am getting "read: Illegal … the rock litty memeWebMay 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 the rock live churchWebJul 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... the rock login rrccWeb1 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. the rock lived in nashvilleWebSep 6, 2024 · You're calling sh, which may not necessarily be a shell such as bash that even understands -a arr ( dash, for example, would report dash: 1: read: Illegal option -a ). Specify bash if you want bash. However, I think you would … the rock locker room