#!/usr/bin/env sh

# Description: Copy selection to system clipboard as newline-separated entries
# Requires: tr and
#           xclip/xsel (Linux)
#           pbcopy (macOS)
#           termux-clipboard-set (Termux)
#           clip.exe (WSL)
#           clip (Cygwin)
#           wl-copy (Wayland)
#
# LIMITATION: breaks if a filename has newline in it
#
# Note: For a space-separated list:
#       xargs -0 < "$SELECTION"
#
# Shell: POSIX compliant
# Author: Arun Prakash Jana

IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}" # protect trailing \n

selection=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}

if which xsel >/dev/null 2>&1; then
    # Linux
    tr '\0' '\n' < "$selection" | xsel -bi
elif which xclip >/dev/null 2>&1; then
    # Linux
    tr '\0' '\n' < "$selection" | xclip -sel clip
elif which pbcopy >/dev/null 2>&1; then
    # macOS
    tr '\0' '\n' < "$selection" | pbcopy
elif which termux-clipboard-set >/dev/null 2>&1; then
    # Termux
    tr '\0' '\n' < "$selection" | termux-clipboard-set
elif which clip.exe >/dev/null 2>&1; then
    # WSL
    tr '\0' '\n' < "$selection" | clip.exe
elif which clip >/dev/null 2>&1; then
    # Cygwin
    tr '\0' '\n' < "$selection" | clip
elif which wl-copy >/dev/null 2>&1; then
    # Wayland
    tr '\0' '\n' < "$selection" | wl-copy
fi