pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2794-Polka_e_Tor_Homleid_A.ps) >>/Users/jc/w/tmp/Tune-2794-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/shottish/Polka_e_Tor_Homleid_A.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_27941.log 454335 Log file, useful mostly for debugging
Coll_27946.log 312434 Log file, useful mostly for debugging
Coll_27947.log 564448 Log file, useful mostly for debugging
Find_27941.log 1743 Log file, useful mostly for debugging
Tune-2794-Polka_e_Tor_Homleid_A.abc 451 ABC music file with the extracted tune(s)
Tune-2794-Polka_e_Tor_Homleid_A.ps 33926 PostScript
Tune-2794-Polka_e_Tor_Homleid_A.txt 451 Plain-text file with the extracted tune(s)
Tune-2794-get.log 4747 Log file, useful mostly for debugging
Tune-27940-get.log 9718 Log file, useful mostly for debugging
Tune-27944-get.log 4212 Log file, useful mostly for debugging
These files should be available for 24 hours.