pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4174-Cahirciveen-G-16-2.ps) >>/Users/jc/w/tmp/Tune-4174-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ONeills/jig/Cahirciveen-G-16-2.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_41744.log 802413 Log file, useful mostly for debugging
Coll_41748.log 275901 Log file, useful mostly for debugging
Coll_41749.log 270281 Log file, useful mostly for debugging
Tune-4174-Cahirciveen-G-16-2.abc 528 ABC music file with the extracted tune(s)
Tune-4174-Cahirciveen-G-16-2.ps 35401 PostScript
Tune-4174-Cahirciveen-G-16-2.txt 528 Plain-text file with the extracted tune(s)
Tune-4174-get.log 4642 Log file, useful mostly for debugging
These files should be available for 24 hours.