File exist or not checker script.

FileExists/README.md

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+
+This script is really helpful to check if a particular file exists or not in a particular folder and at the same time it is very simple to use, one with less or no experience on CLI can also execute the script
+
+Just Follow the steps 
+
+-Download the script in the pc where we need to check the presence of the file
+-Open terminal or Command Prompt 
+-Type "chmod +x script4.sh" to give it executable permission
+-now to go the folder where you need to check the file
+-write the command "bash script4.sh <filename>
+-IMP don't forget to write the complete name of the file, for instance "bash script4.sh book.txt"
+
+
+How this help and makes your life easier.
+
+Incase of any query feel free to connect.
+
+Thank You
+Varun Bansal
+

FileExists/script4.sh

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