pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8908-Lochmaben_Hp_D3.ps) >>/Users/jc/w/tmp/Tune-8908-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Lochmaben_Hp_D3.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_89082.log 341935 Log file, useful mostly for debugging
Coll_89084.log 554090 Log file, useful mostly for debugging
Tune-8908-Lochmaben_Hp_D3.abc 507 ABC music file with the extracted tune(s)
Tune-8908-Lochmaben_Hp_D3.ps 35019 PostScript
Tune-8908-Lochmaben_Hp_D3.txt 507 Plain-text file with the extracted tune(s)
Tune-8908-get.log 4556 Log file, useful mostly for debugging
Tune-89085-get.log 8843 Log file, useful mostly for debugging
Tune-89087-get.log 1451 Log file, useful mostly for debugging
These files should be available for 24 hours.