nnn/plugins/drop-file

#!/usr/bin/env sh

# Description: Provides drag and drop window for files.
#
# Files that are dropped will be added to nnn's selection
# Some web based files will be downloaded to current directory with curl
# and it may overwrite some existing files
#
# The user has to press mm to clear nnn's selection first
#
# Dependency: https://github.com/mwh/dragon
# Shell: POSIX compliant
# Author: 0xACE

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

dnd()
{
    if which dragon-drag-and-drop; then
	dragon-drag-and-drop "$@"
    else
	dragon "$@"
    fi
}

function add_file() {
	echo -n "$@" >> "$selection"
	echo -ne "\0" >> "$selection"
}

echo -n > "$selection"

# which dnd
# upstream calls it dragon

dnd --print-path --target | while read f
do
	if echo -n "$f" | grep '^\(https\?\|ftps\?\|s\?ftp\):\/\/' ; then
		curl -LJO "$f"
		add_file "$PWD/$(basename "$f")"
	elif [ -e "$f" ]; then
		add_file "$f"
	fi
done &