I have looked into this problem and found it amusing. Note the 2 sentences: #!/a_3/b #!/a-3/b
The 1st runs without error and has no side effects. The 2nd gets a domain error. The unix #! mechanism runs the binary after the #! with a 1st arg of the name of the file. So jconsole runs and with normal J rules loads the file. There is no special treatment of a 1st line starting with #! in the load verb or in 0!:0. So in all uses of #! files that first line gets run like any other line. In most cases it runs without side effects and without error and you get what you expect. But if that #! line gets an error you get stopped. There are lots of other legal file names that would cause similar errors. You could even have a line that had a side effect and continued execution. Short answer is that this won't be fixed for this release. A change of j64-701 to j64_701 would probably fix most real world cases but I am not willing to make that change for this release. Partly laziness and partly because it isn't a complete solution. If you had a - in your user name you'd have the same problem. And I am not willing to add a test to ignore a 1st line starting with #! to either 0!:0 or load. This bug has been there for a long time. Workarounds are not difficult once the problem recognized. A #! J64 unix user can manually change the j64-701 to j64_701. Or perhaps better (but I don't have details at hand) create a link file that avoids nasty characters. On Mon, Dec 20, 2010 at 8:47 PM, Tikkanz <[email protected]> wrote: > This problem has been recorded before, but I don't think properly resolved. > > ris...@ric-linux:~/proj/getphenotypes$ cat testhb > #!/home/rishe0/j64-701/bin/jconsole > 1!:2&4 'Hello world!', 10 { a. > NB. exit 0 > > ris...@ric-linux:~/proj/getphenotypes$ ./testhb > |domain error: script > | #!/home/rishe0/j64- 701/bin/jconsole > |[-0] /home/rishe0/proj/getphenotypes/./testhb > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
