50 lines
1.4 KiB
Bash
50 lines
1.4 KiB
Bash
# history select - search history and insert into prompt
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# C-r: open history selector, type to filter, C-n/C-p to move, Enter to insert
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histselect() {
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local lines=("${(@f)$(fc -l -n -r 1 | awk '!seen[$0]++')}")
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[[ ${#lines} -eq 0 ]] && return
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local query="" cursor=1 selected=""
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while true; do
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local filtered=()
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for l in "${lines[@]}"; do
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local match=1
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for word in ${(s: :)query}; do
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[[ "${l:l}" != *"${word:l}"* ]] && match=0 && break
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done
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[[ $match -eq 1 ]] && filtered+=("$l")
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done
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[[ $cursor -gt ${#filtered} ]] && cursor=${#filtered}
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[[ $cursor -lt 1 ]] && cursor=1
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clear
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echo "hist> $query"
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local i=1
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for l in "${filtered[@]}"; do
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if [[ $i -eq $cursor ]]; then
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printf "\e[7m %s\e[0m\n" "$l"
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else
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printf " %s\n" "$l"
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fi
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((i++))
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[[ $i -gt 20 ]] && break
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done
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read -k1 key 2>/dev/null
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case "$key" in
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$'\n'|$'\r') [[ ${#filtered} -gt 0 ]] && selected="${filtered[$cursor]}"; break ;;
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$'\x0e') ((cursor++)) ;; # C-n
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$'\x10') ((cursor--)) ;; # C-p
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$'\x7f'|$'\b') query="${query%?}"; cursor=1 ;;
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$'\x1b') break ;;
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*) query+="$key"; cursor=1 ;;
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esac
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done
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clear
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if [[ -n "$selected" ]]; then
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BUFFER="$selected"
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CURSOR=${#BUFFER}
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fi
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zle reset-prompt
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}
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zle -N histselect
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bindkey '^r' histselect
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