Write a linux shell program to perform convert lowercase to uppercase using tr statement

 Convert lowercase to uppercase using tr statement

Code:

clear 

echo --------------------------------------------- 

echo '\tlower case to UPPERCASE' 

echo --------------------------------------------- 

echo Enter the name of the File 

read filename 

echo File content in Uppercase 

tr '[ a-z ]' '[ A-Z ]' < $filename 

Output:

--------------------------------------------- lower case to UPPERCASE --------------------------------------------- Enter the name of the File as File content in Uppercase RAVI SATHEESH PRABU VINO MANO BALA SUDHAN PRAKASH RAJA KUMAR