while [ $# -ne 0 ] do if [ -e $1 ] then echo \"File already exist\" else if [ -d mydir ] then cd mydir i=\`ls -f | grep -c /\` c=\`ls -1 | wc -l\` echo \"Total File in current dir : \" \`expr $c - $i\` else mkdir mydir cd mydir touch $1 fi cd .. fi shift done