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#!/bin/bash
#
# Copyright (C) 2023 Federico Angelilli <mail@fedang.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
# The work that is used or that has inspired this project is credited
# in the CREDITS file.
single_prompt() {
local inp
read -r -p "Enter contents of $NAME ($ENTRY): " -e inp
echo "$inp" > "$FILE"
}
long_prompt() {
printf "Enter contents of $NAME ($ENTRY) and press Ctrl+D when finished:\n\n"
cat - > "$FILE"
}
double_prompt() {
local inp inp2
read -r -p "Enter contents of $NAME ($ENTRY): " -s inp || error "Failed prompt"
echo
read -r -p "Retype contents of $NAME: " -s inp2 || error "Failed prompt"
echo
[[ "$inp" == "$inp2" ]] || error "Contents don't match..."
echo "$inp" > "$FILE"
}
prompt() {
local opts long=0 double=0
opts="$($GETOPT -o ld -l long,double -n "$PROGRAM" -- "$@")"
local err=$?
eval set -- "$opts"
while true; do case $1 in
-l|--long) long=1; shift ;;
-d|--double) double=1; shift ;;
--) shift; break ;;
esac done
[[ $err -ne 0 || ( $long -eq 1 && $double -eq 1 ) || $# -ne 0 ]] && error "Invalid options for prompt ($ACTION action for $NAME)"
[[ $long -eq 1 ]] && long_prompt && return
[[ $double -eq 1 ]] && double_prompt && return
single_prompt
}
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