scripting - Meaning of $? (dollar question mark) in shell scripts ...
Aug 1, 2019 · Meaning of $? (dollar question mark) in shell scripts Asked 14 years, 5 months ago Modified 9 months ago Viewed 340k times
linux - What does $@ mean in a shell script? - Stack Overflow
Apr 3, 2012 · What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
What is the $? (dollar question mark) variable in shell scripting?
I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
What is the meaning of $? in a shell script? - Unix & Linux Stack …
Feb 20, 2011 · This latter usage is faster, does not contaminate the shell's variable namespace with what amounts to temp variables, can often be a lot more readable for humans and encourages the …
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
400 What is the difference between =, == and -eq in shell scripting? Is there any difference between the following?
linux - What is shell scripting? - Stack Overflow
Jul 16, 2010 · What exactly is shell scripting? And what is Bash, Korn, and Expect? I use a few commands in a Linux terminal, is that shell scripting too? Again I am confused what exactly is shell …
bash - Reading CSV file in Shell Scripting - Stack Overflow
Feb 23, 2022 · Reading CSV file in Shell Scripting Asked 3 years, 11 months ago Modified 3 years, 11 months ago Viewed 11k times
Shell scripting: -z and -n options with if - Unix & Linux Stack Exchange
Jan 20, 2025 · Shell scripting: -z and -n options with if Ask Question Asked 12 years, 1 month ago Modified 1 year ago
When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables? For example, I have seen the following:
How to concatenate string variables in Bash - Stack Overflow
Nov 15, 2010 · This is the most useful answer for shell scripting. I have found myself the last 30 minutes because I had a space before and after the equal sign!!