pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2062-Holiday_Schottisch-Bb-72-5.ps) >>/Users/jc/w/tmp/Tune-2062-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/shottish/Holiday_Schottisch-Bb-72-5.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_20624.log 302594 Log file, useful mostly for debugging
Coll_20628.log 405160 Log file, useful mostly for debugging
Coll_20629.log 407970 Log file, useful mostly for debugging
Tune-2062-Holiday_Schottisch-Bb-72-5.abc 1325 ABC music file with the extracted tune(s)
Tune-2062-Holiday_Schottisch-Bb-72-5.ps 39996 PostScript
Tune-2062-Holiday_Schottisch-Bb-72-5.txt 1325 Plain-text file with the extracted tune(s)
Tune-2062-get.log 4822 Log file, useful mostly for debugging
Tune-20626-get.log 4335 Log file, useful mostly for debugging
Tune-20627-get.log 5474 Log file, useful mostly for debugging
Tune-20629-get.log 4208 Log file, useful mostly for debugging
These files should be available for 24 hours.