pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35842-chas.ps) >>/Users/jc/w/tmp/Tune-35842-get.log 2>&1" returned status 256
http://www.argonet.co.uk/users/gatherer/scottish/abc2/chas.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-35842-chas.abc 284 ABC music file with the extracted tune(s)
Tune-35842-chas.ps 35498 PostScript
Tune-35842-chas.txt 284 Plain-text file with the extracted tune(s)
Tune-35842-get.log 10591 Log file, useful mostly for debugging
These files should be available for 24 hours.