parameter-expansion Examples and Free Source Code

bash array slicing strange syntax in perl path: `${PATH:+:${PATH}}"`...

bash path parameter-expansion

How can I execute a command stored in a variable?...

shell unix parameter-expansion

Why does this parameter expansion replacement fail in bash 4.2 but work in 5.1?...

bash glob parameter-expansion

Why isn't this Bash string substitution working?...

bash parameter-expansion

Why is ${1[@]} invalid, even though ${stringVar[@]} works otherwise?...

bash parameter-expansion

i want to change the names of the files and this change is in the middle. i basically need to remove...

bash loops file rename parameter-expansion

Nested double quotes in parameter expansion...

bash parameter-expansion

Parameter expansion with replacement, avoid additional variable...

bash parameter-expansion

How to replace a variable's comma-separated string with whitespaces?...

bash sed environment-variables parameter-expansion

semver increment in shell script...

sh parameter-expansion

zsh ${var##$pat} parameter expansion with pattern var containing globs...

zsh glob parameter-expansion

How to replace the last octet in an IP adress using Bash?...

bash ipv4 parameter-expansion

How can I add a default parameter to a `Bash` function?...

bash function default-value parameter-expansion

Prevent variable expansion in the parameter of a function...

bash parameter-expansion

Powershell equivalent of Bash "Alternate Value"...

powershell parameter-passing parameter-expansion

The mechanics of this shell syntax: ${1:-$(</dev/stdin)}...

bash stdin command-substitution parameter-expansion

How to extract substring in Fish shell?...

substring fish parameter-expansion

Parameter Expansion in Zsh vs Bash: what is the equivalent of "${VAR,,}"?...

zsh parameter-expansion

Remove domain from email using linux substring bash...

string bash email-address parameter-expansion

Bad subsitution when trying to do string replacement with parameter expansion...

bash sh substitution string-substitution parameter-expansion

How to remember which expansion ${var%} ${var#} work from which end?...

bash shell parameter-expansion

Redundant use of :- in Bash?...

bash syntax parameter-expansion

Shell parameter expansion on arrays...

arrays bash parameter-expansion

Bash Parameter Expansion - get part of directory path...

bash parameter-expansion

'Docker cp' with parameter expansion (PowerShell)...

docker powershell docker-for-windows parameter-expansion docker-cp

Deleting leading spaces is not working in Bash...

string bash removing-whitespace parameter-expansion

Converting a BASH script to run on SH (via BusyBox)...

bash sh parameter-expansion

Change the base of an array elemnts from octal to decimal (inside a local bash script that run remot...

arrays bash remote-server octal parameter-expansion

What is this bash parameter expansion syntax?...

bash parameter-expansion

How to convert day name to lowercase in bash script?...

bash lowercase parameter-expansion