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#!/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
# Dependencies: imv (https://github.com/eXeC64/imv) or,
# sxiv (https://github.com/muennich/sxiv) or,
# viu (https://github.com/atanunq/viu), less
#
# Shell: POSIX compliant
# Author: Arun Prakash Jana
abspath() {
case "$1" in
/*) printf "%s\n" "$1";;
*) printf "%s\n" "$PWD/$1";;
esac
}
listimages() {
find -L "$(dirname "$target")" -maxdepth 1 -type f -iregex \
'.*\(jpe?g\|bmp\|webp\|png\|gif\)$' -print0 | sort -z
}
view_dir() {
target="$(abspath "$2")"
count="$(listimages | grep -a -m 1 -ZznF "$target" | cut -d: -f1)"
if [ -n "$count" ]; then
listimages | xargs -0 "$1" -n "$count" --
else
shift
"$1" -- "$@" # fallback
fi
}
if [ -z "$1" ] || ! [ -s "$1" ]; then
printf "empty file"
read -r _
exit 1
fi
if command -v imvr >/dev/null 2>&1; then
if [ -f "$1" ]; then
view_dir imvr "$1" >/dev/null 2>&1 &
elif [ -d "$1" ] || [ -h "$1" ]; then
imvr "$1" >/dev/null 2>&1 &
fi
elif command -v sxiv >/dev/null 2>&1; then
if [ -f "$1" ]; then
view_dir sxiv "$1" >/dev/null 2>&1 &
elif [ -d "$1" ] || [ -h "$1" ]; then
sxiv -qt "$1" >/dev/null 2>&1 &
fi
elif command -v viu >/dev/null 2>&1; then
viu -n "$1" | less -R
else
printf "install imv/sxiv/viu"
read -r _
exit 2
fi
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