How to extract information from .png?

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BanterFace2016-09-16 16:30:40

Programming

BanterFace, 2016-09-16 16:30:40

Hey guys. Situation: there is a .png file, at the beginning there is an xml code that I need. How to change it, and then save these changes in a file? Or at least take it out. An example of such a file:

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3 answer(s)

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Vladimir Martyanov, 2016-09-16
@vilgeforce

For example, HIEW can definitely handle such a task.

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abcd0x00, 2016-09-17
@abcd0x00

Well, you take this file, split it into parts, then change the part you want, and save everything to a new file. If it is saved, then you replace the original file with it.
How to divide into parts? By length in bytes or by marker (attribute).

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x128, 2016-09-17
@x128

There is a useful utility TweakPNG , with its help you can pull / add any chunk from png.