INBUF limited to 28 lines

Comments:

Author Thread:

j.merrill

INBUF limited to 28 lines
Posted: Friday, May 13, 2005 3:25 PM (EST)

On my Win2000 machine, all the interpreters can handle that sample with no trouble.

I can't easily explain why this is causing trouble on one machine. Perhaps you have some kind of "macro recorder" do-hicky running (or some other thing that's watching every keystroke) and it can't keep up?

I don't know how #inbuf is implemented (what Windows APIs it uses)....



Support

INBUF limited to 28 lines
Posted: Friday, May 13, 2005 5:11 PM (EST)

The problem isn't reproduced here either. We don't have an explanation for your problem.

APL2000 Support


Paul.Ravitz

INBUF limited to 28 lines
Posted: Thursday, May 19, 2005 1:10 PM (EST)

I think I may know what your problem is. Are you running a program called WebWasher on that PC? I had EXACTLY the same problem, which I reported to APL2000 back in 2001. The solution is to stop using WebWasher. See E-mail train below ... paul

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Followup E-mail: John Walker determined that it was WebWasher that was interfering with #INBUF. WebWasher is a filter program for web pages. Why it's interfering with #INBUF is a mystery, but there it is.

     -- Paul

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Original E-mail:

Although #INBUF can easily handle up to 8191 characters (approx 2*13), it appears to have a limit of about 28 lines (meaning entries separated by new-line characters). Whether you pass it all in one #INBUF or one line at a time using {neg}1 #INBUF, anything you give it past the 28th line is lost. For example, try (in APL2ASCII format):

      #INBUF 1{drop},#TCNL,'<0 0{rho}>,I2' #FMT {iota}50

I noticed this when I wrote a utility routine that built up a multi-line argument to #INBUF, but noticed that #INBUF was dropping trailing lines.

Is this a known limitation or a bug?

    Thanks -- Paul



wintech1

INBUF limited to 28 lines
Posted: Monday, June 06, 2005 2:02 PM (EST)

I figured out that the problem is related to a Kensington Optical Mouse Driver (ksm_run.exe). If I disable the driver, APL works fine.


Support

INBUF limited to 28 lines
Posted: Tuesday, June 07, 2005 11:55 AM (EST)

What made you think of the mouse driver?

APL2000 Support



wintech1

INBUF limited to 28 lines
Posted: Wednesday, June 08, 2005 4:13 PM (EST)

I booted up my machine in safe mode and tried one application at a time until I recreated the problem. I had a hunch that it was the mouse driver because I am the only one at my company having this problem and it is the only application unique to my computer.