Insert line after match using sed
For some reason I can’t seem to find a straightforward answer to this and I’m on a bit of a time crunch at … Read more
shell
How can I parse a YAML file from a Linux shell script?
I wish to provide a structured configuration file which is as easy as possible for a non-technical user to edit (unfortunately it has … Read more
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
This question already has answers here: Meaning of $? (dollar question mark) in shell scripts (8 answers) Closed 3 years ago. I’m trying … Read more
Block Comments in a Shell Script
Is there a simple way to comment out a block of code in a shell script? 15 Answers 15
Getting the last argument passed to a shell script
$1 is the first argument. $@ is all of them. How can I find the last argument passed to a shell script? 29 … Read more
How to kill all processes matching a name?
Say I want to kill every process containing the word amarok. I can print out the commands I want to execute. But how … Read more
How to pass command line arguments to a shell alias? [duplicate]
This question already has answers here: Make a Bash alias that takes a parameter? (24 answers) Closed 1 year ago. The community reviewed … Read more
Is there a “standard” format for command line/shell help text?
If not, is there a de facto standard? Basically I’m writing a command line help text like so: usage: app_name [options] required_input required_input2 … Read more
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
I want to shuffle the lines of a text file randomly and create a new file. The file may have several thousands of … Read more
How to assign the output of a command to a Makefile variable
I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5). I thought … Read more