It may not seem like much, but this one CLI snippet has made my day! (...and spares me from the tedium of doing a hundred screen grabs by hand.)
for k in scene*.swf; \
do gnash --screenshot last \
--screenshot-file ./lastframe/$k.png -1 -r1 $k; \
Long story short: A Flash-based educational tutorial circa 2004 is getting overhauled for future longevity. However the source files were lost years ago, so I'm left to tease media assets from rendered *.swf scenes piecemeal.
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