In Bash, you can easily calculate the difference between two dates. This can be useful in various scenarios, such as…
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In Bash, it is often necessary to check if a command succeeded or failed. For example, you may want to…
A random string is a sequence of characters that is generated randomly, rather than being determined by a set pattern…
Reading a file line by line is a common task in many shell scripts, as it allows you to process…
A number is a combination of 0-9 digits—the Bash variables stores all value in the form of strings. Even if…
Comparing strings is a common task when working with shell scripts, user input, or string data. In the shell, you…
Shell scripts are handy for automating tasks like backup databases, clearing log files, etc. You need to perform some tasks…
We can use the trap command to catch the error signal system by the system during script execution. Then you…
Amazon Simple Storage Service (Amazon S3) is an cloud based object storage device. It is a low cost storage widely…
Bash Select construct is used to create a numbered menu from the list of items. That is helpful for shell…