GNOME & friends' file manager script to create .desktop entry for arbitrary executable

create-desktop-entry.sh

#!/bin/bash

# File manager -specific file locations
#
# - GNOME3 (Nautilus): ~/.local/share/nautilus/scripts
# - Cinnamon (Nemo): ~/.local/share/nemo/scripts
# - MATE (Caja): ~/.config/caja/scripts

# Note that this file must be marked as executable with `chmod +x file_name`

apps=~/.local/share/applications

IFS=$'\n'
sels=($NAUTILUS_SCRIPT_SELECTED_FILE_PATHS $NEMO_SCRIPT_SELECTED_FILE_PATHS $CAJA_SCRIPT_SELECTED_FILE_PATHS) # Only one will be set anyway
unset IFS

if [[ ${#sels[@]} -ne 1 ]]; then
	zenity --error --text="Single selected entry expected"
	exit 1
fi

file=${sels[0]}

if [[ ! -x "$file" || -d "$file" ]]; then
	zenity --error --text="$file : not an existing executable file"
	exit 1
fi

name=`basename $file`

fixed_name=`zenity --entry --title="Create .desktop entry" --text="Set title for new entry" --entry-text="$name"`

if [[ -z "$fixed_name" ]]; then
	exit 1
fi

echo "[Desktop Entry]
Type=Application
Name=$fixed_name
StartupNotify=true
Exec=\"$file\"
" > $apps/$name.desktop

zenity --notification --text="Desktop entry for $fixed_name created successfully"

#