29、云端与图像脚本实用指南

云端与图像脚本实用指南

1. 幻灯片展示脚本

幻灯片展示脚本用于从指定目录显示照片幻灯片，借助 ImageMagick 的display实用工具实现。以下是脚本代码：

#!/bin/bash # slideshow--Displays a slide show of photos from the specified directory. # Uses ImageMagick's "display" utility. delay=2 # Default delay in seconds psize="1200x900>" # Preferred image size for display if [ $# -eq 0 ] ; then echo "Usage: $(basename $0) watch-directory" >&2 exit 1 fi watch="$1" if [ ! -d "$watch" ] ; then echo "$(basename $0): Specified directory $watch isn't a directory." >&2 exit 1 fi cd "$watch" if [ $? -ne 0 ] ; then echo "$(basename $0): Failed trying to cd into $watch" >&2 exit 1 fi suffixes="$(file * | grep image | cut -d: -f1 | rev