pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3590-Offas_Dyke-D-48-3.ps) >>/Users/jc/w/tmp/Tune-3590-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/session/jig/Offas_Dyke-D-48-3.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_3590.log 534942 Log file, useful mostly for debugging
Coll_35907.log 267471 Log file, useful mostly for debugging
Form_35906.log 833 Log file, useful mostly for debugging
Tune-3590-Offas_Dyke-D-48-3.abc 603 ABC music file with the extracted tune(s)
Tune-3590-Offas_Dyke-D-48-3.ps 36329 PostScript
Tune-3590-Offas_Dyke-D-48-3.txt 603 Plain-text file with the extracted tune(s)
Tune-3590-get.log 5122 Log file, useful mostly for debugging
Tune-35900-get.log 146897 Log file, useful mostly for debugging
Tune-35901-get.log 75191 Log file, useful mostly for debugging
Tune-35902-get.log 4097 Log file, useful mostly for debugging
Tune-35907-24CountryDances_1770_Longman.abc 177 ABC music file with the extracted tune(s)
Tune-35907-24CountryDances_1770_Longman.ps 6 PostScript
Tune-35907-24CountryDances_1770_Longman.txt 177 Plain-text file with the extracted tune(s)
Tune-35907-get.log 9168 Log file, useful mostly for debugging
Tune-35908-get.log 5973 Log file, useful mostly for debugging
Tune-35909-get.log 5316 Log file, useful mostly for debugging
These files should be available for 24 hours.