57 lines
1.6 KiB
Bash
Executable file
57 lines
1.6 KiB
Bash
Executable file
#!/bin/sh
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# speedwm-sxp
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# some functions we can use on demand
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print_text() { printf "%s\n%s\nClear\nRemove\nExit" "$(grep -ve '^$' $CUSTOM_HISTFILE)" "------"; } # function which returns history
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print_menu() { OP="$(print_text | "$RUNLAUNCHER" -g 1 -l 40 -p "$*")"; } # function which prints the menu
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# basic variables
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[ -z "$CUSTOM_HISTFILE" ] && CUSTOM_HISTFILE="$HOME/.config/speedwm/.custom_history"
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[ -z "$RUNLAUNCHER" ] && RUNLAUNCHER="spmenu"
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# make sure $CUSTOM_HISTFILE exists
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mkdir -p "$(dirname "$CUSTOM_HISTFILE")"; touch "$CUSTOM_HISTFILE"
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# parse current expression
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parse() {
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print_menu "$@"
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case "$OP" in
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"Clear") rm -f "$CUSTOM_HISTFILE"; mkdir -p "$(dirname "$CUSTOM_HISTFILE")"; touch "$CUSTOM_HISTFILE"; main "$@" ;;
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"Exit") exit 0 ;;
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"------") exit 0 ;;
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"") exit 0 ;;
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esac
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}
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main() {
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parse "Enter an S expression:"
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[ "$OP" = "Remove" ] && \
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remove_entry "$@" || \
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perf_entry "$@"
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return 0
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}
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# write expression
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perf_entry() {
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file_contents="$(grep -v "$OP" "$CUSTOM_HISTFILE")"
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printf "%s\n" "$file_contents" > "$CUSTOM_HISTFILE" # prevent duplicates
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# add entry
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printf "%s\n" "$OP" >> "$CUSTOM_HISTFILE"
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printf "%s\n" "$OP"
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}
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# write expression
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remove_entry() {
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# print menu again so we can choose an entry to remove
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parse "Remove:"
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[ "$OP" = "Remove" ] && remove_entry "$@"
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# add everything except the entry to $file_contents and write that back to the file
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file_contents="$(grep -v "$OP" "$CUSTOM_HISTFILE")" || return 1
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printf "%s\n" "$file_contents" > "$CUSTOM_HISTFILE" || return 1
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}
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main "$@"
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