AutoHotkey Community

[Rhys]

This may have been done before and someone else suggested the idea of a self-deleting batch file for the task. Someone else in IRC suggested pinging 127.0.0.1 as a poor-man's sleep in the batch. So, I take no credit and wish to thank the generous individuals whose contributions led to this script:

[heresy]

cool i love the ping part
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[Lexikos]

Assuming it isn't compiled, you can delete the script while it is running. AutoHotkey closes the file once it has loaded the script.

[majkinetor!]

[haichen]

A batch can delete itself by

[Rhys]

@Lexikos: Thanks for that info - It makes sense that Autohotkey.exe would only need to read the .ahk file once. The app I did this for requires compiled, though.

@Haichen: Cool, that is very slick!

A couple of warnings to anyone who might decide to implement this on any app, take great care when updating that the 'new' remote version that replaces the 'old' local version always has a matching (or greater) 'version' variable than the remote version.txt (or whatever).

Otherwise, update loop of death will occur and we don't want that. I suppose there are ways to get around that like a check for update frequency and confirmation dialog if too often.

Lastly, if pulling the version.txt from a website, please do a sanity check on the remote_version_number variable (if is not number, :=0) - When I tested on a bad remote version.txt, the 404 HTML code the server returned evaluated to > than the current version number. That would also be nasty if unchecked.
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