Converting paths from remote posix server to local win

#!/bin/sh

# Runs $2 (e.g. ./buildAll.sh), and translates paths in stderr from local to remote (given by $1) path

if [ $# -lt 2 ]; then
  echo "usage: $0 <local_path> <build_script> [arguments]"
  exit 1
fi

# current directory's parent (should be run from inside TrunkPackRam)
LOCAL="$PWD"
# revert backslashes
REMOTE="$(echo "$1" | sed 's|\\|/|g')"
shift
RUN="$1"
shift
exec 3>&1
# redirect stderr to stdout and stdout to 3, then restore stdout to stderr
$RUN "$@" 2>&1 1>&3 | sed "s|$LOCAL|$REMOTE|g; s|/|\\\\|g" 1>&2