#!/bin/sh

FILE="$1"

RES="$FILE"

CUT_ARG="-b1"

if [ `uname -s` = "QNX" ]; then

    # QNX does not understand "-b1"

    CUT_ARG="-c1"

fi

if [ `echo $FILE | cut $CUT_ARG` = "/" ]; then

    true

else

    RES="$PWD/$FILE"

    test -d "$RES" && RES="$RES/"

    RES=`echo "$RES" | sed "s,/\(\./\)*,/,g"`

# note: this will only strip 1 /path/../ from RES, i.e. given /a/b/c/../../../, it returns /a/b/../../

    RES=`echo "$RES" | sed "s,\(/[^/]*/\)\.\./,/,g"` 

    RES=`echo "$RES" | sed "s,//,/,g" | sed "s,/$,,"`

fi

echo $RES #return