sed patterns to add sha256

[Jeremy Lavergne]

In case you're wondering, it's setup for multiline as you'll likely need it to replace everything before rmd160:

/checksums.*rmd160/checksums\ \ \ \ \ \ \ \ \ \ \ rmd160/

On Jul 28, 2011, at 22:45 , Jeremy Lavergne wrote:
> While tinkering around tonight I figured I'd share my multline sed for updating sha256:
> 
> for i in `port -q echo maintainer:snc`; do x=$(sudo port -v checksum $i | grep sha256 |grep -v checksum | awk '{print $NF}');  sed -i '' -n '1h;1!H;${;g;s/sha256\ \ s/sha256\ \ '$x'/g;p;}' "`port file $i`"; done 2>/dev/null
> 
> It assumes you have this line as a placeholder in the portfile already:
> sha256  s
> 
> You can follow the general idea to come up with other handy patterns.


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