#!/bin/sh
# Look for $1 somewhere in $PATH. As an extra bonus,
#  if $AP_PPSEARCHPATH is set, this will look for $i
#  in there instead. Will print out the full pathname unless
#  called with the '-s' option
#
# We do some funny stuff to check to see
# if test/[] knows about -x
#
testfile="pp.t.$$"

cat > $testfile <<ENDTEST
#!/bin/sh
if [ -x / ] || [ -x /bin ] || [ -x /bin/ls ]; then
 exit 0
fi
exit 1
ENDTEST

if `/bin/sh $testfile 2>/dev/null`; then
    test_exec_flag="-x"
else
    test_exec_flag="-r"
fi
rm -f $testfile

if [ "x$1" = "x-s" ]; then
    shift
else
    echo="yes"
fi

if [ "x$AP_PPSEARCHPATH" = "x" ] ; then
    AP_PPSEARCHPATH=$PATH
fi

for path in `echo $AP_PPSEARCHPATH |
 sed 's/^:/.:/
      s/::/:.:/g
      s/:$/:./
      s/:/ /g' `
do
    if [ $test_exec_flag $path/$1 ] && [ ! -d $path/$1 ]; then
        if [ "$echo" = "yes" ]; then
	    echo $path/$1
	fi
	exit 0
    fi
done
exit 1