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Original file line number | Diff line number | Diff line change |
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//xlang Source, Name:Backuper.x | ||
//Date: Sat Nov 10:22:41 2020 | ||
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class Backuper{ | ||
String newfile, oldfile; | ||
bool success = false; | ||
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public Backuper(String file){ | ||
oldfile = file; | ||
newfile = oldfile.append(".bak"); | ||
XPlatform.deleteFile(newfile); | ||
success = XPlatform.renameFile(oldfile,newfile); | ||
} | ||
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public void complete(){ | ||
if (success){ | ||
XPlatform.deleteFile(newfile); | ||
} | ||
} | ||
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public void restore(){ | ||
if (success){ | ||
XPlatform.deleteFile(oldfile); | ||
XPlatform.renameFile(newfile,oldfile); | ||
} | ||
} | ||
}; |
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