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Sunday, 25 July 2021

Bash Scripting Test if File Exist or not



Bash Scripting Test if File Exist or not





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.

 







Append to File:

You can check the existence of file in bash by using ‘-e’ or ‘-f’ option. ‘-f’ option is used in the following script to test the file existence. Create a file named, ‘file_exist.sh’ and add the following code. Here, the filename will pass from the command line. Bash Scripting Test if File Exist or not







#!/bin/bash
filename=$1
if [ -f "$filename" ]; then
echo "File exists"
else
echo "File does not exist"
fi




Run the file with bash command.
 





 
Bash Scripting Test if File Exist or not

 



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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



My Self Kumar Atul Jaiswal Urf HackerboY and Kumar Atul Jaiswal is a name among millions who struggled failed and surged ahead in search of how to become a Hacker ( passionate about Hacking just like profession an entrepreneur ), just like any middle class guy, he too had a bunch of unclear dreams and a blurred version of his goals in life 😊.

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