pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-1310-test3.abc -F fmt/pdf_70.fmt +s 0.70 +maxs 2000 )>/Users/jc/w/tmp/Tune-1310-test3.ps 2>>/Users/jc/w/tmp/Tune-1310-get.log" returned status 256.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1310-test3.ps) >>/Users/jc/w/tmp/Tune-1310-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/test3.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_13100.log 1655 Log file, useful mostly for debugging
Tune-1310-get.log 4641 Log file, useful mostly for debugging
Tune-1310-test3.abc 3524 ABC music file with the extracted tune(s)
Tune-1310-test3.ps 30388 PostScript
Tune-1310-test3.txt 3524 Plain-text file with the extracted tune(s)
Tune-13104-253_Orange_Tree.abc 740 ABC music file with the extracted tune(s)
Tune-13104-253_Orange_Tree.ps 34179 PostScript
Tune-13104-253_Orange_Tree.txt 740 Plain-text file with the extracted tune(s)
Tune-13104-get.log 4583 Log file, useful mostly for debugging
Tune-13105-CSRHW-abc2.abc 148 ABC music file with the extracted tune(s)
Tune-13105-CSRHW-abc2.txt 148 Plain-text file with the extracted tune(s)
Tune-13105-get.log 3192 Log file, useful mostly for debugging
Tune-13106-DanielWright_ECPMH.abc 155 ABC music file with the extracted tune(s)
Tune-13106-DanielWright_ECPMH.ps 6 PostScript
Tune-13106-DanielWright_ECPMH.txt 155 Plain-text file with the extracted tune(s)
Tune-13106-get.log 4157 Log file, useful mostly for debugging
These files should be available for 24 hours.