pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-88266-Turlough_OCarolan.ps) >>/Users/jc/w/tmp/Tune-88266-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/by/Turlough_OCarolan.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_88266.log 124100 Log file, useful mostly for debugging
Tune-88266-Turlough_OCarolan.abc 35222 ABC music file with the extracted tune(s)
Tune-88266-Turlough_OCarolan.ps 412807 PostScript
Tune-88266-Turlough_OCarolan.txt 35222 Plain-text file with the extracted tune(s)
Tune-88266-get.log 43086 Log file, useful mostly for debugging
These files should be available for 24 hours.