#! /bin/sh
# This is the vipipes shell script
if [ $# -ne 2 ]
then
        echo "Syntax : $0 inpipe outpipe" 1>&2
        exit 1
fi
inpipe=$1
outpipe=$2
# add possible locations of mknod to PATH
PATH=/etc:"$PATH"
for pipe in "$inpipe" "$outpipe"
do
        err=`mknod $pipe p 2>&1` # Note the backquotes
        if [ "$err" != "" ]
        then
                echo "$err ($pipe)" 1>&2
                if [ $pipe = $outpipe ]
                then
                        rm -f $inpipe
                fi
                exit 1
        fi
done
exit 0