Idiomatic bash: set default value for variable
130165
Assigning default values to shell variables with a single command in bash
78762
Set output of a command as a variable (with pipes)
34458
How to include custom command options in a bash script with $1 and $2?
54750
How do I assign the output of a command to a variable?
115308
Setting default values (conditional assignment)
69476
How to create an interactive bash script to collect arguments for a command in linux?
118234
How to Combine Pattern Constraints and Default Values for Function Arguments?
130622
How do I set up bash completion for command arguments?
59166
When to wrap quotes around a shell variable?
89858
How to pass a literal variable reference (${foo}) as program argument in a run configuration
89588
Why do I need to quote variable for if, but not for echo?
57554
Dynamic variable names in Bash
56072
How do I compare two string variables in an 'if' statement in Bash?
136606
Default value of function parameter
74331
Are there naming conventions for variables in shell scripts?
69975
Is there an analogue of the Variables command for general expressions?
61897
Correct Bash and shell script variable capitalization