Marking a command as a variable in order to be reused within piped or separate commands
114527
Reusing pipe data for different commands
106600
Execute a command once per line of piped input?
94622
How does one extract a command's exit status into a variable?
81419
Copy and set-mark in Bash as in Emacs?
52844
How can I get a variable from terminal to use it in my script?
52730
How can I use a variable as a variable name in Perl?
103604
Does bash recognize a variable declaration as string if you do not put the quotation marks?
18316
Security implications of forgetting to quote a variable in bash/POSIX shells
61154
Pass the output of previous command to next as an argument
79347
Is it possible to save output from a command to a file after the command already has been executed?
10355
Construct a command by putting a string into a tty
47068
Wrapping a command that includes single and double quotes for another command
98912
Access variables set inside command substitutions
29486
How to use variables in a command in sed?
148665
Combine the output of two commands in bash
111784
Pass commands as input to another command (su, ssh, sh, etc)
49469
Is it possible to use a parameter within an alias command