pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3494-072_les_Capacins_Maidons.ps) >>/Users/jc/w/tmp/Tune-3494-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Stewart/SCAJMR/072_les_Capacins_Maidons.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_3494.log 264661 Log file, useful mostly for debugging
Form_34941.log 830 Log file, useful mostly for debugging
Form_34942.log 1720 Log file, useful mostly for debugging
Form_34947.log 1737 Log file, useful mostly for debugging
Form_34948.log 978 Log file, useful mostly for debugging
Tune-3494-072_les_Capacins_Maidons.abc 687 ABC music file with the extracted tune(s)
Tune-3494-072_les_Capacins_Maidons.ps 34699 PostScript
Tune-3494-072_les_Capacins_Maidons.txt 687 Plain-text file with the extracted tune(s)
Tune-3494-get.log 4823 Log file, useful mostly for debugging
Tune-34940-get.log 9632 Log file, useful mostly for debugging
Tune-34948-get.log 3654 Log file, useful mostly for debugging
These files should be available for 24 hours.