command-substitution Examples and Free Source Code

Passing multi-line command output to echo outputs only a single line...

linux bash parameter-passing command-substitution

Use substituted string as a command in shell script...

shell command-substitution

What is happening in this command substitution?...

bash expansion command-substitution

IFS and command substitution...

linux shell ksh ifs command-substitution

Do escaped double quotes in command substitution become literals in Bash?...

bash quoting command-substitution

How to address error "bash: !d': event not found" in Bash command substitution...

bash parsing sed command-substitution

Why is this command substitution waiting for the background job to finish?...

bash command-substitution setsid

Where is $(< file) documented?...

bash shell io-redirection command-substitution

Escape $() syntax in `docker exec`...

bash docker command-substitution

Shell Expansion (Command substitution) in Golang...

shell go command-substitution

How do I prevent substitution before processing in TCL?...

tcl command-substitution

command substitution in docker CMD...

python docker cmd dockerfile command-substitution

Bash - is this called a definition?...

bash definition heredoc command-substitution

Extracting parts of whitespace seperated string...

git shell sed command-substitution

awk command fails with command substitution...

bash awk command-substitution

POSIX shell: escaping line-continuations in backquote command-substitutions...

shell sh posix language-lawyer command-substitution

bash - command substitution is omitting whitespaces...

string bash command-substitution

bash doesn't run commands in sequential order...

bash command-substitution

run command inside of ${ curly braces...

bash shell command command-substitution

Bash: Insert variable content into command substitution as arguments - how to quote correctly?...

bash command-substitution variable-substitution

How to perform multiple commands on a list of files in bash (xargs?)...

bash xargs command-substitution process-substitution

Why does input redirection work differently when in command substitution?...

bash shell file http-redirect command-substitution

bash: pgrep in a commad substition...

bash grep command-substitution

pgrep prints a different pid than expected...

bash grep command-substitution

Twice Bash command substitution...

linux bash variables command-substitution

Command substitution and $PATH variable...

bash path command-substitution

Multi-line, double quoted string triggers history expansion on subsequent single-quoted commands it ...

bash gnu command-substitution

bash command substitution on external script function receives incorrect exit status...

bash shell command-substitution

How to pass a ruby script's output as arguments to a shell command using command substitution?...

ruby escaping command-substitution

double backslashes of sed single-quoted command inside command substitutions get translated to a sin...

shell sed sh backticks command-substitution