C:

Command name: merge (compile your program into the output file named merge) Arguments Reguired.i (at least three ) command, source file name, target file name (additionally) number of extra files you may wish to give Ex:/merge a.txt b.txt c.txt d.txt-> appends the contents of a.txt b.txt and c.txt at the end of d.txt create a newfile as a result of merging into a new file when the switch -e is given. Ex:/merge a.txt b.txt c.txt d.txt-e new.txt-> copies a.txt b.txt c.txt amd d.txt into a new file named new.txt (overwrites if this file already exist) Requirements: Make sure both all the filenames are valid Make sure that the number of arguments are not less than 3. Only the last file is changed keeping all other constant and if the last file name does not exist an error message will be generated In case of -e switch, the last file will be A NEW FILE having the merged data of all other files and if that file exists, a warning should appear to re-write it 1. 2. 3. 4