pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3938-038_les_Bois.ps) >>/Users/jc/w/tmp/Tune-3938-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Stewart/SCAJMR/038_les_Bois.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_3938.log 929421 Log file, useful mostly for debugging
Coll_39382.log 451410 Log file, useful mostly for debugging
Form_39386.log 1913 Log file, useful mostly for debugging
Tune-3938-038_les_Bois.abc 490 ABC music file with the extracted tune(s)
Tune-3938-038_les_Bois.ps 33128 PostScript
Tune-3938-038_les_Bois.txt 490 Plain-text file with the extracted tune(s)
Tune-3938-get.log 4503 Log file, useful mostly for debugging
These files should be available for 24 hours.