pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8417-Kafoozalum_D.ps) >>/Users/jc/w/tmp/Tune-8417-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Kafoozalum_D.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_84171.log 75050 Log file, useful mostly for debugging
Coll_84176.log 313835 Log file, useful mostly for debugging
Sess-84177.log 8104558 Log file, useful mostly for debugging
Tune-8417-Kafoozalum_D.abc 418 ABC music file with the extracted tune(s)
Tune-8417-Kafoozalum_D.ps 33908 PostScript
Tune-8417-Kafoozalum_D.txt 418 Plain-text file with the extracted tune(s)
Tune-8417-get.log 4942 Log file, useful mostly for debugging
Tune-84175-get.log 5144 Log file, useful mostly for debugging
These files should be available for 24 hours.