UNIX for Dummies Questions & Answers

#!/bin/csh -f
#
# Leave it to you to do other checking (like if the file actually exist)
#
# Get the number of characters in the file name junk
set num=`wc -c ./junk|awk '{print $1}'`
if ("$num" < 21) then
        # email and remove file
        mailx -s"file had 20 or less characters" myaccount@mydomain.com < ./junk
        rm ./junk
else
        # cut file into separate files of 20 characters
        # Note 'myjunk' - use something that will allow you to list ONLY those
        #  files to allow the foreach command to work AND to insure the remove
        # is only going to remove the files you want deleted
        split -b20 junk myjunk
        set junkfiles=`ls -1 myjunk*`
        foreach x ($junkfiles)
        mailx -s"$x" myaccount@mydomain.com < $x
        end
        rm myjunk*
endif