pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1169-McElligotts_Fancy-D-32-4.ps) >>/Users/jc/w/tmp/Tune-1169-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/hornpipe/McElligotts_Fancy-D-32-4.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_11697.log 124 Log file, useful mostly for debugging
Coll_11699.log 1308021 Log file, useful mostly for debugging
Tune-1169-McElligotts_Fancy-D-32-4.abc 554 ABC music file with the extracted tune(s)
Tune-1169-McElligotts_Fancy-D-32-4.ps 37093 PostScript
Tune-1169-McElligotts_Fancy-D-32-4.txt 554 Plain-text file with the extracted tune(s)
Tune-1169-get.log 4862 Log file, useful mostly for debugging
Tune-11690-get.log 4357 Log file, useful mostly for debugging
Tune-11692-get.log 4099 Log file, useful mostly for debugging
Tune-11699-get.log 3342 Log file, useful mostly for debugging
These files should be available for 24 hours.