parameter-expansion Examples and Free Source Code

Bash parameter substitution fails on spaces and newlines...

bash substitution double-quotes parameter-expansion

Bash convert last character to lower...

bash shell parameter-expansion

How to use parameter expansion correctly in bash...

bash parameter-expansion

zsh parameter expansion puzzle : last argument of command...

zsh parameter-expansion

Display the exit code of previous command only when it's non-zero, without using commands?...

bash ps1 parameter-expansion

Extract substring from string after third last occurrence of underscore...

bash parameter-expansion

Separating integer and fractional part of a decimal number...

bash parameter-expansion

Change Filename in Pipe...

shell awk pipe parameter-expansion

Parameter expansion with double caret ^^...

regex bash parameter-expansion

Why does the shell expand a quoted "$@" as multiple parameters...

string shell sh posix parameter-expansion

Bash command on a variable...

bash syntax parameter-expansion

How to pass a Bash command to `entr`, quoting to guard against filenames with spaces?...

bash quoting parameter-expansion

How to replace each delimiter in an arbitrary number of command-line arguments that are all delimite...

bash parameter-expansion positional-parameter

Understanding the final `echo` in IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#...

bash ansi-escape parameter-expansion

bash read between two strings using parameter expansion expression...

bash parameter-expansion

How to split a word in the given positive or negative fraction...

bash parameter-expansion

Expanding bash vars with spaces as arguments to bash function in scripts...

bash shell parameters parameter-expansion

Extract substring before dot...

bash parameter-expansion

How to expend a variable with a quote, on the quote?...

bash parameter-expansion

How to use a string with arguments to call a script as bash would do it when interprets the command ...

bash arguments variable-expansion parameter-expansion

extract hostname with parameter expansion in a single assignment...

shell posix parameter-expansion

How to understand "${PATH:+:${PATH}}" in bash?...

bash parameter-expansion

In bash, replace each character of a string with a fixed character ("blank out" a string)...

bash parameter-expansion shellcheck

bash parameter-expansion: removing multiple occurences of the same character...

bash parameter-expansion

Bash param expansion "${var##pat}" behaves differently in script than in shell...

bash parameter-expansion

Trimming whitespace from the ends of a string in Zsh...

string zsh whitespace glob parameter-expansion

Bash parameter expansion: get entire remainder of a string after an offset...

bash parameter-expansion

How to use Shell Parameter Expansion in Perl?...

bash perl parameter-expansion

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