Bash Scripting
In Linux, all tasks from execution of services to loading and
unloading of modules are carried out by programs and all programs need to be
executed. You use the commands to access all the basic features of kernel.
Shell scripting is a way to automate such tasks, and bash is one of the
language, that has capabilities enough to be called as scripting as well as a
language that can be used for programming on the POSIX platform, for small
tasks. Bash Scripting with Append to File
Append to File:
New data can be added into any existing file by using ‘>>’ operator in bash. Create a file named ‘append.sh’ and add the following code to add new content at the end of the file. Here, ‘'kotlin’ will be added at the of ‘book.txt’ file after executing the script.
#!/bin/bash
# new data can be added into any existing file by using >> operator in bash.
echo "----Before Programming Books----"
cat book.txt
echo "----Programming Books by KumarAtulJaiswal----">> book.txt
echo "----After spending the book----"
cat book.txt
echo
Run the file with bash command.
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Disclaimer
All tutorials are for informational and educational purposes only and have been made using our own routers, servers, websites and other vulnerable free resources. we do not contain any illegal activity. We believe that ethical hacking, information security and cyber security should be familiar subjects to anyone using digital information and computers. Hacking Truth is against misuse of the information and we strongly suggest against it. Please regard the word hacking as ethical hacking or penetration testing every time this word is used. We do not promote, encourage, support or excite any illegal activity or hacking.
- Hacking Truth by Kumar Atul Jaiswal
