Optional variables in shell script
2939
How do I parse command line arguments in Bash?
64218
Storing output of command in shell variable
8641
Which are the (Bash) shell special parameters/variables?
69541
Creating multiple directories using a parameter in a shell script
50136
Using "${a:-b}" for variable assignment in scripts
130292
Which special variables are available when writing a shell command for a context menu
103249
error in shell scripting?
59378
Conditionally pass params to a script
56072
How do I compare two string variables in an 'if' statement in Bash?
111004
Indirectly expand variables in shell
81578
How do you create optional arguments in php?
55925
Variable Syntax Error with Bash Script (Homework)
77366
Commands that may take a variable number of arguments
53585
How to add newlines into variables in bash script
109812
Issue an error when using empty shell variables
108795
How to use a variable's value as another variable's name in bash
20731
Can command substitution be nested in variable substitution?