
                Checks for, and looks inside, compressed files.

             elf
                Prints ELF file details.

             soft
                Consults magic files.

             tar
                Examines tar files.

     -f, --files-from namefile
             Read the names of the files to be examined from namefile (one per
             line) before the argument list.  Either namefile or at least one
             filename argument must be present; to test the standard input,
            