1 #!/bin/sh

     2 #

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

     4 #

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

     6 #

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

     8 #   1.95.3

     9 #   $

    10 #

    11 

    12 if test $# = 0; then

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

    14   echo ""

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

    16   exit 1

    17 fi

    18 if test $# != 1; then

    19   echo "ERROR: too many arguments were provided."

    20   echo ""

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

    22   exit 1

    23 fi

    24 

    25 hdr="$1"

    26 if test ! -r "$hdr"; then

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

    28   exit 1

    29 fi

    30 

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

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

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

    34 

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

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

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

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

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

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

    41 ' ;;

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

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

    44 esac

    45 

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