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add support for removal of entries

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This commit is contained in:
speedie 2023-02-05 12:58:48 +01:00
parent 49ed06ca7c
commit a776b419ff
1 changed files with 38 additions and 14 deletions
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52
scripts/speedwm-sxp
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@ -1,8 +1,9 @@
#!/bin/sh
# speedwm-sxp
# function which returns history
MENU_DATA() { cat "$CUSTOM_HISTFILE"; printf "%s\nClear\nExit\n" "------"; }
# some functions we can use on demand
print_text() { printf "%s\n%s\nClear\nRemove\nExit\n" "$(cat "$CUSTOM_HISTFILE")" "------"; } # function which returns history
print() { OP="$(print_text | "$RUNLAUNCHER" -g 1 -l 40 -p "$*")"; } # function which prints the menu
# basic variables
[ -z "$CUSTOM_HISTFILE" ] && CUSTOM_HISTFILE="$HOME/.config/speedwm/.custom_history"
@ -11,20 +12,43 @@ MENU_DATA() { cat "$CUSTOM_HISTFILE"; printf "%s\nClear\nExit\n" "------"; }
# make sure $CUSTOM_HISTFILE exists
mkdir -p "$(dirname "$CUSTOM_HISTFILE")"; touch "$CUSTOM_HISTFILE"
# prompt the user
OP="$(MENU_DATA | "$RUNLAUNCHER" -g 1 -l 40 -p 'Enter an S expression:')"
# parse current expression
[ "$OP" = "Clear" ] && printf "" > "$CUSTOM_HISTFILE" && exit
[ "$OP" = "Exit" ] && exit 0
[ "$OP" = "------" ] && exit 0
[ -z "$OP" ] && exit 0
parse() {
print "$@"
[ "$OP" = "Clear" ] && printf "" > "$CUSTOM_HISTFILE" && exit
[ "$OP" = "Exit" ] && exit 0
[ "$OP" = "------" ] && exit 0
[ -z "$OP" ] && exit 0
}
main() {
parse "Enter an S expression:"
[ "$OP" = "Remove" ] && \
remove_entry "$@" || \
add_entry "$@"
return 0
}
# write expression
add_entry() {
FILE_CONTENTS="$(grep -v "$OP" "$CUSTOM_HISTFILE")"
printf "%s\n" "$FILE_CONTENTS" > "$CUSTOM_HISTFILE" # prevent duplicates
FILE_CONTENTS="$(grep -v "$OP" "$CUSTOM_HISTFILE")"
printf "%s\n" "$FILE_CONTENTS" > "$CUSTOM_HISTFILE" # prevent duplicates
# add entry
printf "%s\n" "$OP" >> "$CUSTOM_HISTFILE"
printf "%s\n" "$OP"
}
# add entry
printf "%s\n" "$OP" >> "$CUSTOM_HISTFILE"
printf "%s\n" "$OP"
# write expression
remove_entry() {
# print menu again so we can choose an entry to remove
parse "Remove:"
[ "$OP" = "Remove" ] && remove_entry "$@"
# add everything except the entry to $FILE_CONTENTS and write that back to the file
FILE_CONTENTS="$(grep -v "$OP" "$CUSTOM_HISTFILE")" || return 1
printf "%s\n" "$FILE_CONTENTS" > "$CUSTOM_HISTFILE" || return 1
}
main "$@"