Bash tricks for data analysis
In the realm of data analysis, the command-line shell Bash stands as an invaluable tool that empowers analysts and researchers to swiftly……
$ grep -rn "#Bash Scripting" ./posts
Essential Bash Tricks!
The command line is a powerful tool that empowers users to interact with their computer’s operating system efficiently and effectively……
Bash: how not to print first or last N lines of a file
Assume we have the following file named file.txt…
Bash: randomize data using the shuf command
We all know how to sort data using the sort command, but how we can achieve the opposite? to randomize data comming from stdin or a file……
Bash scripting tutorial — Part 1
Bash scripting is essential to any system administrator or DevOps engineer; bash scripting allows automating tasks that can be tedious……
Bash: associative arrays how to
An associative array stores multiple data with keys corresponding values, each value can be accessed with the key of the array.…
Linux: Create a one-line web server in bash that will execute shell commands.
Do you want a quick, dirty, and unsafe way to execute commands to your Linux box over HTTP? You can use the following hack! I don't……
Linux: Add cronjob using a bash script.
We all know and love cronjobs, cronjobs allows us to execute a command or a script in the future. It can be tedious boring and error prone……
Bash: find CSV files, count their rows, and print modification time; all in one line!
Recently I needed a quick and dirty way to…
Bash: execute a script only when no other instance of the script is running.
Possible issues having two instances of a cronjob at the same time…