- linux - What does $@ mean in a shell script? - Stack Overflow
What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
- Difference between ${} and $() in a shell script - Super User
$(command) is “command substitution” As you seem to understand, it runs the command, captures its output, and inserts that into the command line that contains the $(…); e g , $ ls -ld $(date +%B) txt -rwxr-xr-x 1 Noob Noob 867 Jul 2 11:09 July txt ${parameter} is “parameter substitution” A lot of information can be found in the shell’s man page, bash (1), under the “ Parameter
- What does $# mean in shell? - Unix Linux Stack Exchange
What does $# mean in shell? I have code such as if [ $# -eq 0 ] then I want to understand what $# means, but Google search is very bad for searching these kinds of things
- regex - Meaning of =~ operator in shell script - Stack Overflow
Meaning of "=~" operator in shell script [duplicate] Asked 13 years, 2 months ago Modified 12 years, 4 months ago Viewed 96k times
- What is the difference between $@ and $* in shell scripts?
In shell scripts, what is the difference between $@ and $*? Which one is the preferred way to get the script arguments? Are there differences between the different shell interpreters about this?
- 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 $? in a shell script? - Unix Linux Stack Exchange
When going through one shell script, I saw the term "$?" What is the significance of this term?
- bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 12 years ago Modified 3 years, 6 months ago Viewed 649k times
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