added test script and fixed line endings
This commit is contained in:
Alan Weinstock
parent
d4f710f9f5
commit
e9fa75cefc
2 changed files with 258 additions and 226 deletions
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@ -1,227 +1,227 @@
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#!/bin/bash
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# pyr0ball script functions library
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# Initial Vars
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scriptname=${0##*/}
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rundir=${0%/*}
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runuser=$(whoami)
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# Utilities (Setting up colors and bounding boxes)
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if [[ "$TERM" != "linux" ]] ; then
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red=$(echo -e "\033[38;5;1m") # red
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grn=$(echo -e "\033[38;5;2m") # green
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ylw=$(echo -e "\033[38;5;3m") # yellow
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blu=$(echo -e "\033[38;5;27m") # blue
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lbl=$(echo -e "\033[38;5;69m") # light blue
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mag=$(echo -e "\033[38;5;5m") # magenta
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cyn=$(echo -e "\033[38;5;6m") # cyan
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pur=$(echo -e "\033[38;5;135m") # purple
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ong=$(echo -e "\033[38;5;166m") # orange
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lyl=$(echo -e "\033[38;5;228m") # light yellow
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lrd=$(echo -e "\033[38;5;196m") # light red
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norm=$(echo -e "\033[38;5;9m") # default/normal
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#
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bld=$(echo -e "\033[1m") # bold
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unl=$(echo -e "\033[4m") # underline
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blk=$(echo -e "\033[7m") # blinking not supported in our xterm, so reverse instead
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nln=$(echo -e "\033[24")
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dfl=$(echo -e "\e[0m")
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fi
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# For drawing pretty boxes
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terminal_width=$(tput cols)
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if [ $terminal_width -le 81 ] ; then
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BOXWIDTH=$((terminal_width - 1))
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else
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BOXWIDTH=80
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fi
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top_border=$(echo -e '\u2501')
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left_border=$(echo -e '\u2503')
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right_border=$(echo -e '\u2503')
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left_top_border=$(echo -e '\u250f')
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right_top_border=$(echo -e '\u2513')
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left_bottom_border=$(echo -e '\u2517')
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right_bottom_border=$(echo -e '\u251b')
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repchar() {
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n=1
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while [ $n -le $2 ] ; do
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echo -n "$1"
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n=$((n+1))
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done
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}
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boxtop() {
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echo -n "$left_top_border"
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repchar "$top_border" $((BOXWIDTH-1))
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echo -n "$right_top_border"
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echo
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}
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boxbottom() {
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echo -n "$left_bottom_border"
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repchar "$top_border" $((BOXWIDTH-1))
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echo -n "$right_bottom_border"
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echo
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}
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boxline() {
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echo -e "$left_border $1\r\033[${BOXWIDTH}C$right_border"
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}
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boxseparator(){
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echo -n "$left_border"
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repchar "-" $((BOXWIDTH-1))
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echo -n "$right_border"
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echo
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}
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success(){
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echo -e "\n"
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boxtop
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boxline " ${scriptname} ${grn}SUCCESS${dfl}$@"
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boxbottom
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exit 0
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}
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warn(){
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echo -e "\n"
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ec=$?
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boxtop
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boxline "${lrd}WARNING${lyl}[${ong}code=${red}$ec${lyl}]: $@${dfl}"
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boxbottom
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}
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fail(){
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ec=$?
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echo -e "\n"
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boxtop
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boxline "${lrd}FAILED${lyl}[${ong}code=${red}$ec${lyl}]: $@${dfl}"
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boxbottom
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exit $ec
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}
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pushd(){
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command pushd "$@" > /dev/null
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}
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popd(){
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command popd "$@" > /dev/null
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}
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popdfail(){
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ec=$?
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popd
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$(exit $ec) #restore the exit code
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fail "$@"
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}
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logger(){
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#$@ 2>&1 | tee >(ts "[$scriptname][%d-%m-%y %H_%M_%S]" > $logfile) # This version of prepend requires the 'ts' utility from 'moreutils' package
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$@ 2>&1 | tee >(while IFS= read -r line; do printf '[%s] %s\n' "${scriptname}][$(date '+%Y-%m-%d %H:%M:%S')" "$line"; done >> $logfile)
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}
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ctrl_c(){
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echo -e "\n"
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fail "User interrupted with Ctrl-C"
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}
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# ensure ctrl-c to cancel script ends the entire process and not just the current function
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trap ctrl_c INT
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# Renders a text based list of options that can be selected by the
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# user using up, down and enter keys and returns the chosen option.
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#
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# Arguments : list of options, maximum of 256
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# "opt1" "opt2" ...
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# Return value: selected index (0 for opt1, 1 for opt2 ...)
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select_option(){
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# little helpers for terminal print control and key input
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ESC=$( printf "\033")
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cursor_blink_on() { printf "$ESC[?25h"; }
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cursor_blink_off() { printf "$ESC[?25l"; }
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cursor_to() { printf "$ESC[$1;${2:-1}H"; }
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print_option() { printf " $1 "; }
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print_selected() { printf " $ESC[7m $1 $ESC[27m"; }
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get_cursor_row() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
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key_input() { read -s -n3 key 2>/dev/null >&2
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if [[ $key = $ESC[A ]]; then echo up; fi
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if [[ $key = $ESC[B ]]; then echo down; fi
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if [[ $key = "" ]]; then echo enter; fi; }
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# initially print empty new lines (scroll down if at bottom of screen)
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for opt; do printf "\n"; done
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# determine current screen position for overwriting the options
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local lastrow=`get_cursor_row`
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local startrow=$(($lastrow - $#))
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# ensure cursor and input echoing back on upon a ctrl+c during read -s
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trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
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cursor_blink_off
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local selected=0
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while true; do
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# print options by overwriting the last lines
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local idx=0
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for opt; do
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cursor_to $(($startrow + $idx))
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if [ $idx -eq $selected ]; then
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print_selected "$opt"
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else
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print_option "$opt"
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fi
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((idx++))
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done
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# user key control
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case `key_input` in
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enter) break;;
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up) ((selected--));
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if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;;
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down) ((selected++));
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if [ $selected -ge $# ]; then selected=0; fi;;
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esac
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done
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# cursor position back to normal
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cursor_to $lastrow
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printf "\n"
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cursor_blink_on
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return $selected
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}
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# Example for above select_option
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#echo "Select one option using up/down keys and enter to confirm:"
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#echo
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#options=("one" "two" "three")
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#select_option "${options[@]}"
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#choice=$?
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#echo "Choosen index = $choice"
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#echo " value = ${options[$choice]}"
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select_opt(){
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select_option "$@" 1>&2
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local result=$?
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echo $result
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return $result
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}
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# Examples for above select_opt
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#case `select_opt "Yes" "No" "Cancel"` in
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# 0) echo "selected Yes";;
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# 1) echo "selected No";;
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# 2) echo "selected Cancel";;
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#esac
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#options=("Yes" "No" "${array[@]}") # join arrays to add some variable array
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#case `select_opt "${options[@]}"` in
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# 0) echo "selected Yes";;
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# 1) echo "selected No";;
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# *) echo "selected ${options[$?]}";;
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#!/bin/bash
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# pyr0ball script functions library
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# Initial Vars
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scriptname=${0##*/}
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rundir=${0%/*}
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runuser=$(whoami)
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# Utilities (Setting up colors and bounding boxes)
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if [[ "$TERM" != "linux" ]] ; then
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red=$(echo -e "\033[38;5;1m") # red
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grn=$(echo -e "\033[38;5;2m") # green
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ylw=$(echo -e "\033[38;5;3m") # yellow
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blu=$(echo -e "\033[38;5;27m") # blue
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lbl=$(echo -e "\033[38;5;69m") # light blue
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mag=$(echo -e "\033[38;5;5m") # magenta
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cyn=$(echo -e "\033[38;5;6m") # cyan
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pur=$(echo -e "\033[38;5;135m") # purple
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ong=$(echo -e "\033[38;5;166m") # orange
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lyl=$(echo -e "\033[38;5;228m") # light yellow
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lrd=$(echo -e "\033[38;5;196m") # light red
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norm=$(echo -e "\033[38;5;9m") # default/normal
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#
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bld=$(echo -e "\033[1m") # bold
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unl=$(echo -e "\033[4m") # underline
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blk=$(echo -e "\033[7m") # blinking not supported in our xterm, so reverse instead
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nln=$(echo -e "\033[24")
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dfl=$(echo -e "\e[0m")
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fi
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# For drawing pretty boxes
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terminal_width=$(tput cols)
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if [ $terminal_width -le 81 ] ; then
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BOXWIDTH=$((terminal_width - 1))
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else
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BOXWIDTH=80
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fi
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top_border=$(echo -e '\u2501')
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left_border=$(echo -e '\u2503')
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right_border=$(echo -e '\u2503')
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left_top_border=$(echo -e '\u250f')
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right_top_border=$(echo -e '\u2513')
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left_bottom_border=$(echo -e '\u2517')
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right_bottom_border=$(echo -e '\u251b')
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repchar() {
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n=1
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while [ $n -le $2 ] ; do
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echo -n "$1"
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n=$((n+1))
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done
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}
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boxtop() {
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echo -n "$left_top_border"
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repchar "$top_border" $((BOXWIDTH-1))
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echo -n "$right_top_border"
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echo
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}
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boxbottom() {
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echo -n "$left_bottom_border"
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repchar "$top_border" $((BOXWIDTH-1))
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echo -n "$right_bottom_border"
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echo
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}
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boxline() {
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echo -e "$left_border $1\r\033[${BOXWIDTH}C$right_border"
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}
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boxseparator(){
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echo -n "$left_border"
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repchar "-" $((BOXWIDTH-1))
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echo -n "$right_border"
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echo
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}
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success(){
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echo -e "\n"
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boxtop
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boxline " ${scriptname} ${grn}SUCCESS${dfl}$@"
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boxbottom
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exit 0
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}
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warn(){
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echo -e "\n"
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ec=$?
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boxtop
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boxline "${lrd}WARNING${lyl}[${ong}code=${red}$ec${lyl}]: $@${dfl}"
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boxbottom
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}
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fail(){
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ec=$?
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echo -e "\n"
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boxtop
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boxline "${lrd}FAILED${lyl}[${ong}code=${red}$ec${lyl}]: $@${dfl}"
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boxbottom
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exit $ec
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}
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pushd(){
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command pushd "$@" > /dev/null
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}
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popd(){
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command popd "$@" > /dev/null
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}
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popdfail(){
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ec=$?
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popd
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$(exit $ec) #restore the exit code
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fail "$@"
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}
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logger(){
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#$@ 2>&1 | tee >(ts "[$scriptname][%d-%m-%y %H_%M_%S]" > $logfile) # This version of prepend requires the 'ts' utility from 'moreutils' package
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$@ 2>&1 | tee >(while IFS= read -r line; do printf '[%s] %s\n' "${scriptname}][$(date '+%Y-%m-%d %H:%M:%S')" "$line"; done >> $logfile)
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}
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ctrl_c(){
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echo -e "\n"
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fail "User interrupted with Ctrl-C"
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}
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# ensure ctrl-c to cancel script ends the entire process and not just the current function
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trap ctrl_c INT
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# Renders a text based list of options that can be selected by the
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# user using up, down and enter keys and returns the chosen option.
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#
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# Arguments : list of options, maximum of 256
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# "opt1" "opt2" ...
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# Return value: selected index (0 for opt1, 1 for opt2 ...)
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select_option(){
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# little helpers for terminal print control and key input
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ESC=$( printf "\033")
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cursor_blink_on() { printf "$ESC[?25h"; }
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cursor_blink_off() { printf "$ESC[?25l"; }
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cursor_to() { printf "$ESC[$1;${2:-1}H"; }
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print_option() { printf " $1 "; }
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print_selected() { printf " $ESC[7m $1 $ESC[27m"; }
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get_cursor_row() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
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key_input() { read -s -n3 key 2>/dev/null >&2
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if [[ $key = $ESC[A ]]; then echo up; fi
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if [[ $key = $ESC[B ]]; then echo down; fi
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if [[ $key = "" ]]; then echo enter; fi; }
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# initially print empty new lines (scroll down if at bottom of screen)
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for opt; do printf "\n"; done
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# determine current screen position for overwriting the options
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local lastrow=`get_cursor_row`
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local startrow=$(($lastrow - $#))
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# ensure cursor and input echoing back on upon a ctrl+c during read -s
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trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
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cursor_blink_off
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local selected=0
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while true; do
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# print options by overwriting the last lines
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local idx=0
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for opt; do
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cursor_to $(($startrow + $idx))
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if [ $idx -eq $selected ]; then
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print_selected "$opt"
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else
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print_option "$opt"
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fi
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((idx++))
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done
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# user key control
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case `key_input` in
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enter) break;;
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up) ((selected--));
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if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;;
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down) ((selected++));
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if [ $selected -ge $# ]; then selected=0; fi;;
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esac
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done
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# cursor position back to normal
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cursor_to $lastrow
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printf "\n"
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cursor_blink_on
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return $selected
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}
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# Example for above select_option
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#echo "Select one option using up/down keys and enter to confirm:"
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#echo
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#options=("one" "two" "three")
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#select_option "${options[@]}"
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#choice=$?
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#echo "Choosen index = $choice"
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#echo " value = ${options[$choice]}"
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select_opt(){
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select_option "$@" 1>&2
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local result=$?
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echo $result
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return $result
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}
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# Examples for above select_opt
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#case `select_opt "Yes" "No" "Cancel"` in
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# 0) echo "selected Yes";;
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# 1) echo "selected No";;
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# 2) echo "selected Cancel";;
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#esac
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#options=("Yes" "No" "${array[@]}") # join arrays to add some variable array
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#case `select_opt "${options[@]}"` in
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# 0) echo "selected Yes";;
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# 1) echo "selected No";;
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# *) echo "selected ${options[$?]}";;
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#esac
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32
lib/skel/.bashrc.d/test.sh
Normal file
32
lib/skel/.bashrc.d/test.sh
Normal file
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@ -0,0 +1,32 @@
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#!/bin/bash
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scriptname=${0##*/}
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rundir=${0%/*}
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runuser=$(whoami)
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source ${rundir}/functions
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# Example for above select_option
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echo "Select one option using up/down keys and enter to confirm:"
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echo
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options=("one" "two" "three")
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select_option "${options[@]}"
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choice=$?
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echo "Choosen index = $choice"
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echo " value = ${options[$choice]}"
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# Examples for above select_opt
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case `select_opt "Yes" "No" "Cancel"` in
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0) echo "selected Yes";;
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1) echo "selected No";;
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2) echo "selected Cancel";;
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esac
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#options=("Yes" "No" "${array[@]}") # join arrays to add some variable array
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case `select_opt "${options[@]}"` in
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0) echo "selected Yes";;
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1) echo "selected No";;
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*) echo "selected ${options[$?]}";;
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esac
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