1 #!/bin/sh

     2 

     3 FILE="$1"

     4 RES="$FILE"

     5 

     6 CUT_ARG="-b1"

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

     8     # QNX does not understand "-b1"

     9     CUT_ARG="-c1"

    10 fi

    11 

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

    13     true

    14 else

    15     RES="$PWD/$FILE"

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

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

    18 

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

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

    21 

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

    23 fi

    24 echo $RES #return

    25