#!/bin/bash --posix

#if [ $# = 0 ]; then
#   tmp=fatal not enough arguments
#fi

contains() {
    string="$1"
    substring="$2"
    if test "${string#*$substring}" != "$string"
    then
        return 0    # $substring is in $string
    else
    return 1    # $substring is not in $string
    fi
}

posixUtilities="admin alias ar asa at awk basename batch bc bg c99 cal cat cd cflow chgrp chmod chown cksum cmp comm command compress cp crontab csplit ctags cut cxref date dd delta df diff dirname du echo ed env ex expand expr false fc fg file find fold fort77 fuser gencat get getconf getopts grep hash head iconv id ipcrm ipcs jobs join kill lex link ln locale localedef logger logname lp ls m4 mailx make man mesg mkdir mkfifo more mv newgrp nice nl nm nohup od paste patch pathchk pax pr printf prs ps pwd qalter qdel qhold qmove qmsg qrerun qrls qselect qsig qstat qsub read renice rm rmdel rmdir sact sccs sed sh sleep sort split strings strip stty tabs tail talk tee test time touch tput tr true tsort tty type ulimit umask unalias uname uncompress unexpand unget uniq unlink uucp uudecode uuencode uustat uux wait val wc what who vi write xargs yacc zcat"

whereis $posixUtilities > tmp.txt

found=0
notFound=0

cat tmp.txt | while read line
do
    if [ contains "/" $line = 0]
    then
        found=$found+1;
    else
        echo $line
        notFound=$notFound+1;
    fi
done

echo $found $notFound