Linux basics

TERMINAL CASE SYSTEM

INTRODUCTION
This a script of shell script aka terminal programming made by me this is a case system.
In every computer language there is some common term this is one of this "CASE". In c++ we end case system normally as other languages but in the SHELL SCRIPT we end case system by flipping the word case to esac similar to if-if.
This is the program for creating a file, removing a file, copying a file and renaming the file.

THE SCRIPT

clear
echo " 1) Create a new file"
echo " 2) Copy a file "
echo " 3) Rename a file "
echo " 4) Remove a file "

echo "Enter your choice"
read ch

case $ch in
1)clear
echo "Enter the file name which you want to create : "
read f1
if [ -r $f1 ]
then
echo "Your file already exist !!!!!!!!!!!!"
else
cat > $f1
echo "Your file is successfully created"
fi
;;
2)
clear
echo "Enter the source file name: "
read f2
echo "Enter the destination file name : "
read f3
if [ -r $f2 ]
then
cp $f2 $f3
echo "Your file successfully copied "
else
echo "Your source file does not exist !!!!!!!!!!!!!!!!"
fi
;;
3)
clear

echo "Enter the old file name:"

read f4

echo "Enter the new file name "

read f5

if [ -r $f4]

then

mv $f4 $f5

echo "Your file is successfully renamed"

else

echo "Your old file does not exist "

;;

clear

echo "Enter the file name which you want to remove "

read f6

if [ -r $f6]

then

rm $f6

echo "Your file is removed"

else

echo "Your file already exists "

;;

echo "You entered the wrong choice"

;;

esac

Output

⇠⇠⇠ choosing option 1 to create a file

⬆⬆⬆ learnprot file is created

CONCLUSION

I conclude the topic. For further information about this topic comment below, please subscribe our blog through email by which you can get an email when I post a new post in this blog.follow us on Instagram twitter, facebook page. visit our pages in this blog for knowing me and my blog thank you