1#!/bin/bash
 2
 3text=$(sselp)
 4
 5text=$(echo "$text" | xargs)
 6
 7[ -z "$text" ] && exit 0
 8
 9extension="${text##*.}"
10extension=$(echo "$extension" | tr '[:upper:]' '[:lower:]')
11
12case "$extension" in
13    txt|c|html|htm)
14        acme "$text" &
15        ;;
16    pdf)
17        helium "$text" &
18        ;;
19    png|jpg|jpeg|gif|bmp|webp|svg|tiff|ico)
20        nsxiv -b "$text" &
21        ;;
22    *)
23        acme "$text" &
24        ;;
25esac