Repair “Exec format error” When Working Scripts With run-parts Command

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Once I was attempting to run all scripts in a listing utilizing run-parts command, I encountered with an error – “run-parts: didn’t exec script.sh: Exec format error”. The scripts labored simply positive once I instantly execute them like “./script.sh” and “sh script.sh”. However they didn’t work once I ran them with run-parts command. For these questioning, the run-parts command will run all scripts in a listing. In the event you bought an error like this whereas operating a script, this fast tip will enable you to repair “Exec format error” when operating scripts with run-parts command in Linux.

Repair “Exec format error” When Working Scripts With run-parts Command

To run all scripts within the Paperwork folder, I ran:

$ run-parts –regex ‘^s.*.sh$’ Paperwork

I bought the next error message:

run-parts: didn’t exec Paperwork/script1.sh: Exec format error
run-parts: Paperwork/script1.sh exited with return code 1
run-parts: didn’t exec Paperwork/script2.sh: Exec format error
run-parts: Paperwork/script2.sh exited with return code 1
run-parts: didn’t exec Paperwork/script3.sh: Exec format error
run-parts: Paperwork/script3.sh exited with return code 1
run-parts: didn’t exec Paperwork/script4.sh: Exec format error
run-parts: Paperwork/script4.sh exited with return code 1

run-parts: failed to exec script.sh: Exec format error

To repair “Exec format error”, it’s essential add a shebang firstly of your scripts so the kernel will know the way to run them. For these questioning, a shebang is the character sequence consisting of the characters quantity signal and exclamation mark (#!) originally of a script. If you add the shebang firstly of a textual content file, it’s interpreted as an executable file.

Most scripts begins with a shebang. Listed below are some typical shebang examples.

Bourne shell, or a appropriate shell:

#!/bin/sh

Bash:

Perl:

Python 2.x:

Python three.x:

That is what we name a shebang.

Now, allow us to get again to the subject. Edit your scripts utilizing your favourite editor:

$ nano Paperwork/ostechnix.sh

Add the next shebang originally of the script:

#!/bin/sh

Fix

Now you possibly can be capable of run the scripts with run-parts command with none points utilizing run-parts command.

Replace:

As considered one of our reader Mr.Danesh talked about within the remark part under, As an alternative of hard-coding the trail of the interpreter, e.g.

#!/usr/bin/python3

We will use:

#!/usr/bin/env python3

That is extra moveable in case the interpreter is put in in another (non-default) listing. env is a shell command for Unix and Unix-like working methods. It’s usually utilized by shell scripts to launch the proper interpreter.

You may also use ShellCheck utility to search out issues in your shell scripts.

Hope this helps.

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