pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2788-Davids_Jig-Gm-32-4.ps) >>/Users/jc/w/tmp/Tune-2788-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/session/jig/Davids_Jig-Gm-32-4.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_27884.log 268876 Log file, useful mostly for debugging
Coll_27888.log 515275 Log file, useful mostly for debugging
Find_27882.log 1471 Log file, useful mostly for debugging
Tune-2788-Davids_Jig-Gm-32-4.abc 643 ABC music file with the extracted tune(s)
Tune-2788-Davids_Jig-Gm-32-4.ps 37233 PostScript
Tune-2788-Davids_Jig-Gm-32-4.txt 643 Plain-text file with the extracted tune(s)
Tune-2788-get.log 4617 Log file, useful mostly for debugging
Tune-27880-get.log 4057 Log file, useful mostly for debugging
Tune-27881-get.log 180237 Log file, useful mostly for debugging
Tune-27886-get.log 8554 Log file, useful mostly for debugging
Tune-27887-get.log 3719 Log file, useful mostly for debugging
These files should be available for 24 hours.