write a script that accepts for an input a single character or integer and checks if that character is present in the file in linux?
Code:

Output:

input.txt file:

Raw Code:
#!/bin/bash
read character # Reading the character from user.
file="input.txt" # File name.
if grep -q $character $file # Checking if the given
character is in the file.
then echo "Word found."
else
echo "Word not found."
fi
if you have any doubts plz ask in comment section.
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