To test if a variable is a number in Bash, you can use regular expressions, arithmetic … How do I test if a variable is a number in Bash?Read more
Bash
How can I compare numbers in Bash?
To compare numbers in Bash, you use specific operators for integer comparisons (Bash does not natively … How can I compare numbers in Bash?Read more
How to split a string into an array in Bash?
To split a string into an array in Bash, you can use the read command with … How to split a string into an array in Bash?Read more
How to replace one substring for another string in shell script ?
To replace a substring with another string in a shell script, you can use built-in parameter … How to replace one substring for another string in shell script ?Read more
How to assign default values to shell variables with a single command in bash ?
In Bash, you can assign default values to variables in a single command using parameter expansion … How to assign default values to shell variables with a single command in bash ?Read more
How to convert a string to lower case in Bash ?
To convert a string to lowercase in Bash, you can use parameter expansion (Bash 4.0+) or … How to convert a string to lower case in Bash ?Read more
How to redirect and append both standard output and standard error to a file with Bash ?
To redirect and append both standard output (stdout) and standard error (stderr) to a file in … How to redirect and append both standard output and standard error to a file with Bash ?Read more
How to loop through the content of a file in Bash ?
To loop through the contents of a file line-by-line in Bash, you can use a while … How to loop through the content of a file in Bash ?Read more
How to reload .bashrc settings without logging out and back in again?
To reload your .bashrc file (or any shell configuration file) without logging out and back in, … How to reload .bashrc settings without logging out and back in again?Read more
How do I iterate over a range of numbers defined by variables in Bash?
To iterate over a range of numbers defined by variables in Bash, use one of the … How do I iterate over a range of numbers defined by variables in Bash?Read more