update-copyright.sh
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#!/bin/sh
find . -type f -exec grep -Il "Copyright" {} \; \
| grep -v \.hg \
| while read i; \
do \
sed -ie "s/\(.*Copyright.*\)[0-9]\{4\}\( *Sam Lantinga\)/\1`date +%Y`\2/" "$i"; \
rm "${i}e"; \
done