pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-972-Wonder_Hornpipe_Bb.ps) >>/Users/jc/w/tmp/Tune-972-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/shottish/Wonder_Hornpipe_Bb.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_97210.log 568140 Log file, useful mostly for debugging
Coll_97214.log 358795 Log file, useful mostly for debugging
Coll_9722.log 124744 Log file, useful mostly for debugging
Coll_97241.log 572355 Log file, useful mostly for debugging
Coll_97250.log 364415 Log file, useful mostly for debugging
Coll_97261.log 357390 Log file, useful mostly for debugging
Coll_97272.log 132483 Log file, useful mostly for debugging
Coll_97285.log 364415 Log file, useful mostly for debugging
Coll_97296.log 283116 Log file, useful mostly for debugging
Coll_97298.log 417808 Log file, useful mostly for debugging
Tune-972-Wonder_Hornpipe_Bb.abc 630 ABC music file with the extracted tune(s)
Tune-972-Wonder_Hornpipe_Bb.ps 37887 PostScript
Tune-972-Wonder_Hornpipe_Bb.txt 630 Plain-text file with the extracted tune(s)
Tune-972-get.log 4581 Log file, useful mostly for debugging
Tune-97207-get.log 3258 Log file, useful mostly for debugging
Tune-9721-get.log 8739 Log file, useful mostly for debugging
Tune-97218-get.log 5087 Log file, useful mostly for debugging
Tune-97221-Shot_2.abc 499 ABC music file with the extracted tune(s)
Tune-97221-Shot_2.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-97221-Shot_2.ps 36437 PostScript
Tune-97221-Shot_2.txt 499 Plain-text file with the extracted tune(s)
Tune-97221-get.log 5117 Log file, useful mostly for debugging
Tune-97225-get.log 5317 Log file, useful mostly for debugging
Tune-97226-get.log 4213 Log file, useful mostly for debugging
Tune-97232-Reinlander_D-001.svg 13749 Scalable Vector Graphics format
Tune-97232-Reinlander_D.abc 401 ABC music file with the extracted tune(s)
Tune-97232-Reinlander_D.txt 401 Plain-text file with the extracted tune(s)
Tune-97232-get.log 4094 Log file, useful mostly for debugging
Tune-97233-get.log 15626 Log file, useful mostly for debugging
Tune-97242-get.log 4041 Log file, useful mostly for debugging
Tune-97254-Juntusrannan_muistoja_Am.abc 912 ABC music file with the extracted tune(s)
Tune-97254-Juntusrannan_muistoja_Am.ps 38669 PostScript
Tune-97254-Juntusrannan_muistoja_Am.txt 912 Plain-text file with the extracted tune(s)
Tune-97254-get.log 14496 Log file, useful mostly for debugging
Tune-97257-Rosalie_the_Prairie_Flower_1.abc 475 ABC music file with the extracted tune(s)
Tune-97257-Rosalie_the_Prairie_Flower_1.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-97257-Rosalie_the_Prairie_Flower_1.ps 34584 PostScript
Tune-97257-Rosalie_the_Prairie_Flower_1.txt 475 Plain-text file with the extracted tune(s)
Tune-97257-get.log 6279 Log file, useful mostly for debugging
Tune-9726-get.log 4348 Log file, useful mostly for debugging
Tune-97262-get.log 4350 Log file, useful mostly for debugging
Tune-97271-get.log 3516 Log file, useful mostly for debugging
Tune-97286-Roxburg_Castle_A.abc 630 ABC music file with the extracted tune(s)
Tune-97286-Roxburg_Castle_A.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-97286-Roxburg_Castle_A.ps 35339 PostScript
Tune-97286-Roxburg_Castle_A.txt 630 Plain-text file with the extracted tune(s)
Tune-97286-get.log 5364 Log file, useful mostly for debugging
Tune-97287-Hulls_Victory_RJ.abc 500 ABC music file with the extracted tune(s)
Tune-97287-Hulls_Victory_RJ.pdf 15001 Portable Data Format
Tune-97287-Hulls_Victory_RJ.ps 35594 PostScript
Tune-97287-Hulls_Victory_RJ.txt 500 Plain-text file with the extracted tune(s)
Tune-97287-get.log 5419 Log file, useful mostly for debugging
Tune-97291-get.log 3438 Log file, useful mostly for debugging
Tune-97292-Ashuelot_Hornpipe-001.svg 19394 Scalable Vector Graphics format
Tune-97292-Ashuelot_Hornpipe.abc 504 ABC music file with the extracted tune(s)
Tune-97292-Ashuelot_Hornpipe.txt 504 Plain-text file with the extracted tune(s)
Tune-97292-get.log 4216 Log file, useful mostly for debugging
These files should be available for 24 hours.