Category: bash script

sudo is the command to allow normal users perform some escalated operations. We can use the following BASH function to check to see if the sudo command is available. …

We can use the following BASH function escape to escape the parameter strings and put them one by one. For example: #!/bin/bash function escape () { for i do …

Based on the calc function defined in BASH via AWK, we can perform floating point computation in BASH. The $RANDOM variable gives a psuedo random integer that is within …

The inbuilt BASH does not support floating point arithmetic calculations but we can easily declare a function to do so via AWK. #!/bin/bash # calc.sh function calc() { awk …

Swap Two Characters in BASH In BASH, we can use “${#string}” to get the length of a string. And in a function, we use “local” keyword to declare local …