Ich brauche Hilfe bei bash script 🤓
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | # Original solution sourced from: # https://unix.stackexchange.com/questions/146570/arrow-key-enter-menu # # Updated to do the following: # - Display index with each option # - Choose options 1-9 with numeric input # - Clear the menu and reset the cursor when an option is selected # # Arguments: # array of options # # Return value: # selected index (0 for opt1, 1 for opt2 ...) function select_option { local header="\nAdd A Header\nWith\nAs Many\nLines as you want" header+="\n\nPlease choose an option:\n\n" printf "$header" options=("$@") # helpers for terminal print control and key input ESC=$(printf "\033") cursor_blink_on() { printf "$ESC[?25h"; } cursor_blink_off() { printf "$ESC[?25l"; } cursor_to() { printf "$ESC[$1;${2:-1}H"; } print_option() { printf "\t $1 "; } print_selected() { printf "\t${COLOR_GREEN} $ESC[7m $1 $ESC[27m${NC}"; } get_cursor_row() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; } key_input() { local key # read 3 chars, 1 at a time for ((i=0; i < 3; ++i)); do read -s -n1 input 2>/dev/null >&2 # concatenate chars together key+="$input" # if a number is encountered, echo it back if [[ $input =~ ^[1-9]$ ]]; then echo $input; return; # if enter, early return elif [[ $input = "" ]]; then echo enter; return; # if we encounter something other than [1-9] or "" or the escape sequence # then consider it an invalid input and exit without echoing back elif [[ ! $input = $ESC && i -eq 0 ]]; then return fi done if [[ $key = $ESC[A ]]; then echo up; fi; if [[ $key = $ESC[B ]]; then echo down; fi; } function cursorUp() { printf "$ESC[A"; } function clearRow() { printf "$ESC[2K\r"; } function eraseMenu() { cursor_to $lastrow clearRow numHeaderRows=$(printf "$header" | wc -l) numOptions=${#options[@]} numRows=$(($numHeaderRows + $numOptions)) for ((i=0; i<$numRows; ++i)); do cursorUp; clearRow; done } # initially print empty new lines (scroll down if at bottom of screen) for opt in "${options[@]}"; do printf "\n"; done # determine current screen position for overwriting the options local lastrow=`get_cursor_row` local startrow=$(($lastrow - $#)) local selected=0 # ensure cursor and input echoing back on upon a ctrl+c during read -s trap "cursor_blink_on; stty echo; printf '\n'; exit" 2 cursor_blink_off while true; do # print options by overwriting the last lines local idx=0 for opt in "${options[@]}"; do cursor_to $(($startrow + $idx)) # add an index to the option local label="$(($idx + 1)). $opt" if [ $idx -eq $selected ]; then print_selected "$label" else print_option "$label" fi ((idx++)) done # user key control input=$(key_input) case $input in enter) break;; [1-9]) # If a digit is encountered, consider it a selection (if within range) if [ $input -lt $(($# + 1)) ]; then selected=$(($input - 1)) break fi ;; up) ((selected--)); if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;; down) ((selected++)); if [ $selected -ge $# ]; then selected=0; fi;; esac done eraseMenu cursor_blink_on return $selected } # example usage one="Option One" two="Option Two" three="Option Three" options=("$one" "$two" "$three") select_option "${options[@]}" result="${options[$?]}" echo "You chose: $result" |
ich will hier erweiterung Einfügen, klappt aber nicht!!
Die erweiterung ist: Tastenkombination esc bei drücken soll goto="$i" GoTo ausführen
Danke Vorraus! 😳