codegay

nim语言版。反正也不会有人用。看看就好。

import os
import strformat
import strutils

var extlist = [".jpg", ".gif", ".tif"]
var counter = 0

for f in walkDirRec(getAppDir()):
    var (dir, name, ext) = splitFile(f)
    if ext.toLower in extlist:
        counter.inc
        var newname = fmt"{dir}/{counter:03}{ext}"
        echo f, "  ===>>: ", newname
        moveFile(f, newname)
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