47 lines
1.2 KiB
Bash
47 lines
1.2 KiB
Bash
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#!/bin/sh
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#
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# USAGE: get-version.sh path/to/expat.h
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#
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# This script will print Expat's version number on stdout. For example:
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#
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# $ ./conftools/get-version.sh ./lib/expat.h
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# 1.95.3
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# $
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#
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if test $# = 0; then
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echo "ERROR: pathname for expat.h was not provided."
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echo ""
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echo "USAGE: $0 path/to/expat.h"
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exit 1
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fi
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if test $# != 1; then
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echo "ERROR: too many arguments were provided."
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echo ""
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echo "USAGE: $0 path/to/expat.h"
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exit 1
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fi
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hdr="$1"
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if test ! -r "$hdr"; then
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echo "ERROR: '$hdr' does not exist, or is not readable."
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exit 1
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fi
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MAJOR_VERSION="`sed -n -e '/MAJOR_VERSION/s/[^0-9]*//gp' $hdr`"
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MINOR_VERSION="`sed -n -e '/MINOR_VERSION/s/[^0-9]*//gp' $hdr`"
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MICRO_VERSION="`sed -n -e '/MICRO_VERSION/s/[^0-9]*//gp' $hdr`"
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# Determine how to tell echo not to print the trailing \n. This is
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# similar to Autoconf's @ECHO_C@ and @ECHO_N@; however, we don't
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# generate this file via autoconf (in fact, get-version.sh is used
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# to *create* ./configure), so we just do something similar inline.
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case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
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*c*,-n*) ECHO_N= ECHO_C='
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' ;;
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*c*,* ) ECHO_N=-n ECHO_C= ;;
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*) ECHO_N= ECHO_C='\c' ;;
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esac
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echo $ECHO_N "$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION$ECHO_C"
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