我正在创建一个苹果脚本,用于在Mac OS X中创建/Users文件夹的备份映像。我想做以下两件事之一:
我尝试使用 /dev/null 执行 shell 脚本,但这忽略了所有输出。我想保存输出并将其显示在用户的对话框中。
以下是我的代码:
set computername to (do shell script "networksetup -getcomputername")
set fin to ""
set theIcon to note
tell application "Finder"
try
set folderalias to "/Users"
set foldersize to physical size of folder (alias ":Users") --(info for folderalias)
set foldersize to (round ((foldersize / 1.0E+9) * 100)) / 100
on error
tell application "System Events"
set foldersize to (round (((get physical size of folder ":Users" as text) / 1.0E+9) * 100)) / 100
end tell
end try
end tell
display dialog "User profile backup utility" & return & return & ¬
"The computer name is: " & computername & return & return & ¬
"The '/Users/' directory size is: " & "~" & foldersize & " GB" & return & return & ¬
"Would you like to backup the '/User' directory now?" & return ¬
buttons {"Cancel", "Backup Now"} default button "Backup Now"
set comd to "hdiutil create ~/Desktop/" & computername & ".dmg -srcfolder /test/"
set fin to do shell script (comd) with administrator privileges
display dialog fin
使用板载AppleScript(即标准添加)无法显示进度条对话框,但这可以使用Shane Stanley的ASObjC Runner来实现,这是一个可编写脚本的无面后台应用程序,它提供了许多有用的功能,一组与进度对话框相关的命令。下载到您的系统后,
tell application "ASObjC Runner"
reset progress
set properties of progress window to {button title:"Abort Backup", button visible:true, message:"Backing up the '" & (POSIX path of folderalias) & "' directory.", detail:"There are " & foldersize & " GB of data to backup – this might take some time.", indeterminate:true}
activate
show progress
end tell
try -- to make sure we destroy the dialog even if the script error out
<your backup operation here>
end try
tell application "ASObjC Runner" to hide progress
将在备份操作运行时显示不确定的进度条(或“理发杆”)——至少如果它是同步的(就像从 AS 调用的 shell 命令一样)。至于 shell 命令的输出,它由 do shell 脚本
命令自动返回 – 在您的代码中,它被分配给 fin
[或多或少从 ASObjC Runner 文档中批量提取的代码]。
ASObjC Runner可以嵌入到AppleScript应用程序中(将您的脚本保存为AppleScript编辑器中的应用程序),方法是将其放入捆绑包的Resources
文件夹(在Finder中,选择上下文菜单中的Show Package Contents),并使用路径到资源
命令在中使用
块中的术语调用它-我上面链接到的留档有详细信息和示例代码,但是,至关重要的是,包含一个严重错误:您的tell
语句需要使用到资源捆绑包的POSIX路径(tell application(POSIX path of(路径到资源"ASObjCRunner.app"))
)。
关于您的代码的几点备注:
>
有一种更优雅的方法可以获取 /Users
文件夹的别名:
path to users folder
-不需要硬接线和调用Finder。然后,您可以使用的POSIX路径来获取shell兼容路径,或者,如果您需要引用它,
引用它的
的POSIX路径的形式。
所有这些意味着您的代码可以修改为:
set computerName to do shell script "networksetup -getcomputername"
set folderAlias to path to users folder
tell application "System Events" to set folderSize to physical size of folderAlias
set folderSize to round(folderSize / 1.0E+9 * 100) / 100
display alert "User profile backup utility" message ¬
"The computer name is: " & computerName & return & return & ¬
"The '" & (POSIX path of folderAlias) & "' directory size is: " & "~" & folderSize & " GB" & return & return & ¬
"Would you like to backup the '" & (POSIX path of folderAlias) & "' directory now?" & return ¬
buttons {"Cancel", "Backup Now"} default button "Backup Now"
set shellCmd to "hdiutil create ~/Desktop/'" & computerName & "'.dmg -srcfolder /test/"
-- progress bar dialog display initialization goes here
try
set shellOutput to do shell script shellCmd with administrator privileges
end try
-- progress bar dialog hiding goes here
display dialog shellOutput
虽然没有kopischke的建议那么漂亮,但获取进度信息的一种快速而肮脏的方法是在终端中运行命令。
set comd to "hdiutil create -puppetstrings '~/Desktop/" & computername & ".dmg' -srcfolder '/test/'"
tell application "Terminal" to do script comd