56 lines
2.1 KiB
Bash
56 lines
2.1 KiB
Bash
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#!/bin/sh
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# Compatible with ranger 1.6.0 through 1.7.*
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#
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# This script searches image files in a directory, opens them all with sxiv and
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# sets the first argument to the first image displayed by sxiv.
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#
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# This is supposed to be used in rifle.conf as a workaround for the fact that
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# sxiv takes no file name arguments for the first image, just the number. Copy
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# this file somewhere into your $PATH and add this at the top of rifle.conf:
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#
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# mime ^image, has sxiv, X, flag f = path/to/this/script -- "$@"
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#
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# Implementation notes: this script is quite slow because of POSIX limitations
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# and portability concerns. First calling the shell function 'abspath' is
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# quicker than calling 'realpath' because it would fork a whole process, which
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# is slow. Second, we need to append a file list to sxiv, which can only be done
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# properly in two ways: arrays (which are not POSIX) or \0 sperated
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# strings. Unfortunately, assigning \0 to a variable is not POSIX either (will
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# not work in dash and others), so we cannot store the result of listfiles to a
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# variable.
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#
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# Implementation notes (lanxu): I wanted to add Natural Ordering support to the
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# script. Therefore, I decided to use ls with '-v' flag and pass it to awk
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# which adds the required null terminator. Additionally, I added max-chars
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# parameter for xargs because I was hitting the default limit with my
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# abnormally large image directories (5000+ files).
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#
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# vim: set tabstop=8 softtabstop=0 shiftwidth=4 expandtab smarttab
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if [ $# -eq 0 ]; then
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echo "Usage: ${0##*/} PICTURES"
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exit
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fi
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[ "$1" == '--' ] && shift
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abspath () {
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case "$1" in
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/*) printf "%s\n" "$1";;
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*) printf "%s\n" "$PWD/$1";;
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esac
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}
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listfiles () {
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#find -L "$(dirname "$target")" -maxdepth 1 -type f -iregex '.*\(jpe?g\|bmp\|png\|gif\)$' -print0 | sort -z
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ls -dv "$(dirname "$target")"/* | egrep '.*(jpe?g|bmp|png|gif)$' | awk '{print}' ORS='\0'
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}
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target="$(abspath "$1")"
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count="$(listfiles | grep -m 1 -ZznF "$target" | cut -d: -f1)"
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if [ -n "$count" ]; then
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listfiles | xargs -s 1280000 -0 sxiv -an "$count" --
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else
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sxiv -- "$@" # fallback
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fi
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