nnn/plugins/imgview

#!/usr/bin/env sh

# Description: Open images in hovered  directory and thumbnails
#              open hovered image in sxiv or viu and browse other images in the directory
#
# Shell: POSIX compliant
# Author: Arun Prakash Jana

if [ -z "$1" ] || ! [ -s "$1" ]; then
    printf "empty file"
    read -r _
    exit 1
fi

if command -v sxiv >/dev/null 2>&1; then
    if [ -f "$1" ]; then
        sxiv -q "$1" "$PWD"
    elif [ -d "$1" ] || [ -h "$1" ]; then
        sxiv -qt "$1"
    fi
elif command -v viu >/dev/null 2>&1; then
    viu -n "$1" | less -R
else
    printf "install sxiv or viu"
    read -r _
    exit 2
fi