Learning Linux Shell Scripting

Sharing the data by many functions

We can create variables that may contain strings or numerical values. These global variables can be accessed by all the functions inside a script.

A simple script called function_11.sh with functions is as follows:

#!/bin/bash
# We will define variable temp for sharing data with function
temp="/temp/filename"

remove_file()
{
  echo "removing file $temp..."
}
remove_file

Test the script as follows:

$ chmod +x function_11.sh
$ ./function_11.sh

Output:

removing file /temp/filename...