#!/usr/bin/env bash

# Description: Open selected files in nuke one by one or in oneshot
#              Tip: keep pressing "Enter" to open files one by one
#
# Note: Uses nuke by default, easy to replace with preferred opener
#       nuke is invoked once for each file in a loop
#
# Shell: bash
# Author: Arun Prakash Jana

sel=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}
nuke="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/plugins/nuke"

printf "open [A]ll? "
read -r all

if [ -s "$sel" ]; then
    targets=()
    while IFS= read -r -d '' entry || [ -n "$entry" ]; do
        targets+=( "$entry" )
    done < "$sel"
fi

last=${targets[${#targets[@]}-1]}

for entry in "${targets[@]}"; do
    # replace nuke with your preferred opened below
    "$nuke" "$entry"
    if [ "$all" != "A" ] && [ "$entry" != "$last" ]; then
        printf "press Enter to open next\n"
        read -r -s -n 1 key
        if [[ $key != "" ]]; then
            break
        fi
    fi
done

# Clear selection
if [ -s "$sel" ] && [ -p "$NNN_PIPE" ]; then
    printf "-" > "$NNN_PIPE"
fi