pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5890-Penny_Farthing-Em-32-3.ps) >>/Users/jc/w/tmp/Tune-5890-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/jig1/Penny_Farthing-Em-32-3.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_58900.log 631365 Log file, useful mostly for debugging
Coll_58906.log 773270 Log file, useful mostly for debugging
Coll_58907.log 294168 Log file, useful mostly for debugging
Tune-5890-Penny_Farthing-Em-32-3.abc 558 ABC music file with the extracted tune(s)
Tune-5890-Penny_Farthing-Em-32-3.ps 36142 PostScript
Tune-5890-Penny_Farthing-Em-32-3.txt 558 Plain-text file with the extracted tune(s)
Tune-5890-get.log 4667 Log file, useful mostly for debugging
Tune-58900-get.log 3712 Log file, useful mostly for debugging
Tune-58908-get.log 4973 Log file, useful mostly for debugging
Tune-58909-get.log 4203 Log file, useful mostly for debugging
These files should be available for 24 hours.