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#!/usr/bin/env bash
TMPDIR="${TMPDIR:-/tmp}"
tmp="$TMPDIR/nsxiv_rifle_$$"
is_img_extension () {
grep -iE '\.(jpe?g|png|gif|svg|webp|tiff|heif|avif|ico|bmp)$'
}
listfiles () {
find -L "${1%/*}" \( ! -path "${1%/*}" -prune \) -type f -print |
is_img_extension | sort | tee "$tmp"
}
open_img () {
# Only go through listfiles() if the file has a valid img extension
if echo "$1" | is_img_extension >/dev/null 2>&1; then
trap 'rm -f $tmp' EXIT
count="$(listfiles "$1" | grep -nF "$1")"
fi
if [ -n "$count" ]; then
nsxiv -o -i -a -n "${count%%:*}" -- < "$tmp"
else
# Fallback in case the file didn't have a valid extension, or we
# couldn't find it inside the list
nsxiv -- "$@"
fi
}
[ "$1" = '--' ] && shift
case "$1" in
"") echo "Usage: ${0##*/} PICTURES" >&2; exit 1 ;;
/*) open_img "$1" ;;
"~"/*) open_img "$HOME/${1#"~"/}" ;;
*) open_img "$PWD/$1" ;;
esac
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