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Annotation of embedaddon/expat/conftools/get-version.sh, revision 1.1

1.1     ! misho       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"