emoji: generate a list file from emoji
This is much better than keeping the UCD around (12KB against ~8MB) and also a lot faster, unsure what the hell I was thinking about previously.
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emoji.sh
31
emoji.sh
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@ -7,7 +7,8 @@
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# Made with 💖 by dece. s/o to mon loulou, the bash samurai. License: WTFPLv2.
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UCD_URL="https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.flat.zip"
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UCD="$HOME/.local/share/emoji/ucd.all.flat.zip"
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DIR="$HOME/.local/share/emoji"
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LIST="$DIR/emojis.txt.gz"
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GREP="rg"
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usage() {
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@ -18,15 +19,20 @@ usage() {
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echo " -l LIMIT limit number of output lines"
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echo " -u unique result (equals -n and -l 1), no new line"
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echo " -c show code point"
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echo " -d download UCD zip (requires curl)"
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echo " -d download UCD zip to create list file (requires curl)"
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}
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[ $# -eq 0 ] && usage && exit
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download_ucdxml() {
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directory="$(dirname "$UCD")"
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[ ! -d "$directory" ] && mkdir -p "$directory"
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curl -L -o "$UCD" "$UCD_URL"
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[ ! -d "$DIR" ] && mkdir -p "$DIR"
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unc_list="${LIST%.gz}"
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curl -L "$UCD_URL" | zcat | "$GREP" 'Emoji="Y"' | while read -r line; do
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codepoint="$(echo "$line" | sed -E 's/.* cp="([0-9A-F]+)".*/\1/g')"
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name="$(echo "$line" | sed -E 's/.* na="([^"]+)".*/\1/g')"
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echo "$codepoint;$name" >> "$unc_list"
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done
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gzip "$unc_list"
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}
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HIDE_NAME=
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@ -47,22 +53,19 @@ done
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shift $(( OPTIND - 1 ))
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FILTER="$*"
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if [ ! -f "$UCD" ]; then
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echo "Can't find UCD archive at $UCD. Use -d to download it!"
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if [ ! -f "$LIST" ]; then
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echo "Can't find list file at $LIST. Use -d to download it!"
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exit 1
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fi
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search_chars() {
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zcat "$UCD" | "$GREP" 'Emoji="Y"' | "$GREP" -i "na.?=\"[^\"]*$1[^\"]*\""
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}
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line_id=0
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search_chars "$FILTER" | while read -r line; do
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zcat "$LIST" | "$GREP" -i "$FILTER" | while read -r line; do
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[ -n "$LIMIT" ] && (( line_id >= LIMIT )) && break
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codepoint="$(echo "$line" | sed -E 's/.* cp="([0-9A-F]+)".*/\1/g')"
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readarray -d ";" -t elements <<< "$line"
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codepoint="${elements[0]}"
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result="$(echo -e "\\U$codepoint")"
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if [ "$HIDE_NAME" != true ]; then
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name="$(echo "$line" | sed -E 's/.* na="([^"]+)".*/\1/g')"
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name="${elements[1]}"
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result="$result $(echo "$name" | tr '[:upper:]' '[:lower:]')"
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fi
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if [ "$SHOW_CP" = true ]; then
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