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I'm attempting to sift through a folder of .apks, and zipalign them

I have the latest ADT

My command lies in a bash script, that loops through the folder

and my zipalign command is: zipalign -f 4 my.apk my.apk

It keeps popping Input and output can't be the same file

My understanding is (from the ADT docs), is that this is supposed to be possible.

Now, when I try zipalign -f 4 my.apk instead of zipaligning them, it simply gives me the help info for zipalign.

What gives?

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You should use

zipalign -f -v 4 my.apk output.apk

Do remember that if you zipalign before you sign, the signing will undo the alignment.

  • right but shouldnt the -f flag overwrite the original? – Kevin May 20 '14 at 2:08
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    @o7thWebDesign no, it says in the online documentation that -f overwrites any existing output.apk – aureljared May 20 '14 at 2:18

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