Let's write a script for using the wc command along with the here document:
- Create a Shell script, here_03.sh:
#!/bin/bash wc -w << EOF There was major earthquake On April 25, 2015 in Nepal. There was huge loss of human life in this tragic event. EOF
- Save the file, give the permission to execute, and run the script as follows:
$ chmod u+x here_03.sh $ ./here_03.sh
- The output is here:
21
In this script, we have used the here document as an input for the wc command to calculate the number of words:
Tape backup using << here operator
Let's write a script for taking the tape backup by using the tar command and the here document:
- Let's write the script here_04.sh:
#!/bin/bash # We have used ...