104 lines
2.2 KiB
Bash
104 lines
2.2 KiB
Bash
#! /bin/sh
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case "$1" in
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*.*) fullemojis="$1"; shift;;
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"") echo "Usage: `basename $0` .../full-emoji-list.html [emoji style]..." >&2
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echo >&2
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echo "This script extracts emojis graphics (.png format) from a downloaded copy of" >&2
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echo " http://www.unicode.org/emoji/charts-11.0/full-emoji-list.html" >&2
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echo "for the selected emoji style sets, or (if none selected) all of them:" >&2
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echo " apple google twitter emojione facebook samsung windows" >&2
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echo "and always extracts common emoji graphics." >&2
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echo >&2
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echo "Warning: with all styles selected, this may take a few hours on Cygwin." >&2
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exit;;
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*) echo missing file name of full emoji list >&2; exit;;
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esac
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sel=
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while case "$1" in
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apple) sel="1$sel";;
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google) sel="2$sel";;
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twitter) sel="3$sel";;
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emojione) sel="4$sel";;
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facebook) sel="5$sel";;
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samsung) sel="6$sel";;
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windows) sel="7$sel";;
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"") false;;
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*) echo emoji set "$1" not known; exit;;
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esac
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do shift
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done
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sel=0${sel:-1234567}
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export sel
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echo "Warning: this may take a few hours on Cygwin" >&2
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LC_ALL=C
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export LC_ALL
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total=`grep -e "name='\([^']*\)'.*U+" "$fullemojis" | wc -l`
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export total
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(
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echo "Extracting $total emojis from $fullemojis" >&2
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cat <<\/EOS
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n=0
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name () {
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ename=$1
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style=0
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n=$(( $n + 1 ))
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p=$(( ${n}00 / $total ))
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echo "emoji $ename (${p}%)" >&2
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}
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img0 () {
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echo " common 0/$ename.png" >&2
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echo "$1" | base64 -d > 0/$ename.png
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}
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img () {
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style=$(( $style + 1 ))
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case $sel in
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*$style*) echo "$1" | base64 -d > $style/$ename.png;;
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esac
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}
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imgskip () {
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style=$(( $style + 1 ))
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case $sel in
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*$style*) echo " skip $style/$ename.png" >&2;;
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esac
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}
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/EOS
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mkdirlink () {
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case $sel in
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*$1*) mkdir -p $1
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[ -e "$2" ] || ln -s "$1" "$2"
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;;
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esac
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}
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mkdirlink 1 apple
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mkdirlink 2 google
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mkdirlink 3 twitter
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mkdirlink 4 emojione
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mkdirlink 5 facebook
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mkdirlink 6 samsung
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mkdirlink 7 windows
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mkdirlink 0 common
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cat "$fullemojis" |
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sed -e "s/^.*name='\([^']*\)'.*U+.*/name \1/" -e "t name" \
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-e "s/.*—.*/imgskip/" -e t \
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-e "s@^.*….*src='data:image/png;base64,\([^']*\)'.*@img0 \1@" -e t \
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-e "s@^.*src='data:image/png;base64,\([^']*\)'.*@img \1@" -e t \
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-e d \
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-e ": name" \
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-e "s,_,-,g"
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) | sh
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