On Monday, February 1, 2016, Daniel J. Luke <dl...@geeklair.net> wrote:
> On Feb 1, 2016, at 3:09 PM, René J.V. Bertin <rjvber...@gmail.com > <javascript:;>> wrote: > > As an example of a potentially non-trivial file for automatic checksum > updating > > I don't think this would be as hard to implement as you seem to think it > would be. > > As a first try, a really simple s/$oldchecksum/$newchecksum/ would > probably work (I'm perhaps not creative enough to think of a use-case where > that would false-positive and change something unintended). > I will try to check in a tool I've used to automate this later tonight; I just need to find a few moments to put the macports license boilerplate in it first. It is a python script that drives the port command to determine what (if any) checksums need to be updated for a port, and then uses sed to actually (s/old/new/) update it. It runs sed with no backup, so it is best used in an svn version so you can see what it has changed. (Or it could be modified to create a backup file easily enough.) - Eric
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