#!/bin/sh

#

# USAGE: get-version.sh path/to/expat.h

#

# This script will print Expat's version number on stdout. For example:

#

#   $ ./conftools/get-version.sh ./lib/expat.h

#   1.95.3

#   $

#

if test $# = 0; then

  echo "ERROR: pathname for expat.h was not provided."

  echo ""

  echo "USAGE: $0 path/to/expat.h"

  exit 1

fi

if test $# != 1; then

  echo "ERROR: too many arguments were provided."

  echo ""

  echo "USAGE: $0 path/to/expat.h"

  exit 1

fi

hdr="$1"

if test ! -r "$hdr"; then

  echo "ERROR: '$hdr' does not exist, or is not readable."

  exit 1

fi

MAJOR_VERSION="`sed -n -e '/MAJOR_VERSION/s/[^0-9]*//gp' $hdr`"

MINOR_VERSION="`sed -n -e '/MINOR_VERSION/s/[^0-9]*//gp' $hdr`"

MICRO_VERSION="`sed -n -e '/MICRO_VERSION/s/[^0-9]*//gp' $hdr`"

# Determine how to tell echo not to print the trailing \n. This is

# similar to Autoconf's @ECHO_C@ and @ECHO_N@; however, we don't

#  generate this file via autoconf (in fact, get-version.sh is used

# to *create* ./configure), so we just do something similar inline.

case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in

  *c*,-n*) ECHO_N= ECHO_C='

' ;;

  *c*,*  ) ECHO_N=-n ECHO_C= ;;

  *)      ECHO_N= ECHO_C='\c' ;;

esac

echo $ECHO_N "$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION$ECHO_C"