48 lines
897 B
Bash
Executable File
48 lines
897 B
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2017 and later: Unicode, Inc. and others.
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# License & terms of use: http://www.unicode.org/copyright.html
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#
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# Copyright (C) 2010-2012 IBM Corporation and Others, All Rights Reserved.
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PRE44=0
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# output 4_0 instead of 40
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if [ "$1" == "--pre44sym" ];
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then
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PRE44=1
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shift
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fi
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INVER="0.0"
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if [ $# -eq 0 ];
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then
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read INVER
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elif [ $# -eq 1 ];
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then
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INVER=$1
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else
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echo "$0: error: require one or zero arguments. If zero, read from stdin" >&2
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exit 1
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fi
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UND=`echo ${INVER} | tr '.' '_'`
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MAJ0=`echo ${UND} | cut -d_ -f1`
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MIN1=`echo ${UND} | cut -d_ -f2`
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if [ ${MAJ0} -lt 49 ];
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then
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if [ ${PRE44} -eq 0 ];
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then
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# pre 50: paste together "4" and "8" to get 48
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echo -n "${MAJ0}${MIN1}"
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else
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# pre 50: 4_8
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echo -n "${MAJ0}_${MIN1}"
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fi
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else
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# post 50: just use the first #
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echo -n "${MAJ0}"
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fi
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exit 0
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