pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-46001-Banks_of_the_River.ps) >>/Users/jc/w/tmp/Tune-46001-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/hornpipe/Banks_of_the_River.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_46001.log 138933 Log file, useful mostly for debugging
Tune-46001-Banks_of_the_River.abc 741 ABC music file with the extracted tune(s)
Tune-46001-Banks_of_the_River.ps 39907 PostScript
Tune-46001-Banks_of_the_River.txt 741 Plain-text file with the extracted tune(s)
Tune-46001-get.log 5640 Log file, useful mostly for debugging
These files should be available for 24 hours.