gnuplot-beta

Redirecting "print" output?

[Daniel J S. <dan...@ie...>]

Is it possible, or does it seem like a good feature, to have the output of a "print" command redirected?  Octave has interest in getting back the range values from gnuplot's autoranging result after a plot.  Of course, that info is now in the many GPVAL_ variables, and what is nice is that "print GPVAL_X_MAX" prints out a single value that requires little processing than a simple formatted variable read (no weeding out other stuff).  Perhaps everything there is needed already (I'm not as proficient in redirection as others on the list).  Otherwise, would the ability to redirect "print" to a file (Windows?... any word on Vista?) or pipe be of any benefit?

Dan

Re: Redirecting "print" output?

[<HBB...@t-...>]

Daniel J Sebald wrote:

> Is it possible, or does it seem like a good feature, to have the
> output of a "print" command redirected?

It's possible since version 4.0 already.  See 'help set print'

Re: Redirecting "print" output?

[Ethan M. <merritt@u.washington.edu>]

On Tuesday 06 February 2007 15:25, Daniel J Sebald wrote:
> Is it possible, or does it seem like a good feature, 
> to have the output of a "print" command redirected?

Already there.

  set print "/my/output/file"
  print "foo"













> Octave has interest in getting back the range values from gnuplot's autoranging result after a plot.  Of course, that info is now in the many GPVAL_ variables, and what is nice is that "print GPVAL_X_MAX" prints out a single value that requires little processing than a simple formatted variable read (no weeding out other stuff).  Perhaps everything there is needed already (I'm not as proficient in redirection as others on the list).  Otherwise, would the ability to redirect "print" to a file (Windows?... any word on Vista?) or pipe be of any benefit?  
> 
> Dan
> 
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-- 
Ethan A Merritt                                 Courier Deliveries: 1959 NE Pacific
Dept of Biochemistry    M/S 357742
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University of Washington - Seattle

Re: Redirecting "print" output?

[Petr M. <mi...@ph...>]

> Is it possible, or does it seem like a good feature, to have the output of 
> a "print" command redirected? Of course, that info is now in the many 
> GPVAL_ variables, and what is nice is that "print GPVAL_X_MAX" prints out 
> a single value that requires little processing than a simple formatted 
> variable read (no weeding out other stuff).  Perhaps everything there is 
> needed already (I'm not as proficient in redirection as others on the 
> list).  Otherwise, would the ability to redirect "print" to a file 
> (Windows?... any word on Vista?) or pipe be of any benefit?

That does work for a long time...:

gnuplot> set print "a.dat"
gnuplot> plot x
gnuplot> print 1,2
gnuplot> print GPVAL_X_MIN, GPVAL_X_MAX
gnuplot> set print
gnuplot> !cat a.dat
1 2
-10.0 10.0
!

Or do you mean sth completely different?


> Octave has interest in getting back the range values from gnuplot's 
> autoranging result after a plot.

Piping is used in ginput.m, for example, to get MOUSE_ variables. For 
GPVAL_, it would be the same. The current gpinput.m is on gnuplot's web 
page.

---
PM

Re: Redirecting "print" output?

[Daniel J S. <dan...@ie...>]

> That does work for a long time...:

OK, thanks everyone.