Write a script that deletes all leading and trailing spaces in all lines in a file. Also remove blank lines from a file. Locate lines containing only printf but not fprintf

Write a script that behaves both in interactive and non-interactive mode. When no arguments are supplied, it picks up each C program from current directory and lists the first 10 lines. It then prompts for deletion of the file. If the user supplies arguments with the script, then it works on those files only

Write a shell script to add the statement #include at the beginning of every C source file in current directory containing printf and fprintf

Write a script to display the last modified file

Write a script to display all lines of a file in ascending order

Write a script to display all words of a file in ascending order

Write a script for generating a mark sheet after reading data from a file. File contains student roll no, name , marks of three subjects