限制 Droplet 上的文件类型 [英] Restrict file types on droplet

问题描述

这个问题不限于懂AppleScript的人，如果你做Cocoa等，你应该知道这个答案:

This question isn't limited to people who know AppleScript, if you do Cocoa, etc., you should know the answer to this:

我正在 AppleScript 中制作一个用于压缩 JavaScript 文件的 droplet，所以很明显，我只希望 JavaScript 文件被允许进入脚本.有什么想法吗?

I'm making a droplet in AppleScript that compresses JavaScript files, so obviously, I only want JavaScript files to be allowed into the scripts. Any ideas?

非常感谢.

推荐答案

property kJavascriptExtension : "js"
property pValidFileList : {}

on open of theFiles -- Executed when files are dropped on the script

    set fileCount to (get count of items in theFiles)

    repeat with thisFile from 1 to fileCount
        set theFile to item thisFile of theFiles
        set theFileAlias to theFile as alias

        tell application "Finder"
            set fileInfo to info for theFileAlias
            set fileName to name of fileInfo
        end tell

        set javascriptFileFound to isJavascriptFile(fileName) of me

        if (javascriptFileFound) then
            set end of pValidFileList to theFile
        end if
    end repeat

    display dialog "pValidFileList = " & pValidFileList
    -- do something with your files here
end open

on isJavascriptFile(theFilename) -- (theFilename as string) as boolean
    set AppleScript's text item delimiters to "."
    set fileNameList to every text item of theFilename
    set AppleScript's text item delimiters to ""

    try
        set theFileExtension to item 2 of fileNameList as string
    on error
        return false
    end try

    if theFileExtension is kJavascriptExtension then
        return true
    end if

    return false
end isJavascriptFile

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