[Tutor] updating a print statement

[Bryan Fodness]

Here is the code.

for line in file('test.txt'):
    the_line = line.split()
    if the_line:
        if the_line[0] == 'Index':
            index = float(the_line[-1])
            print ("\rIndex = %.3f") %index
raw_input("\nExit")

Here is the output.

Index = 0.000
Index = 0.400
Index = 0.800
Index = 1.000

Exit


On Dec 10, 2007 4:33 PM, Kent Johnson <kent37 at tds.net> wrote:

> Bryan Fodness wrote:
> > I do want to overwrite the same line.
> >
> > I do not see a difference between using the \r and not using it.
>
> How are you running the program? Try it from a command line if that is
> not what you are doing. Can you show your new code?
>
> Kent
>
> PS Please Reply All to stay on the list.
>
> >
> > On Dec 10, 2007 2:43 PM, Kent Johnson <kent37 at tds.net
>  > <mailto:kent37 at tds.net>> wrote:
> >
> >     Bryan Fodness wrote:
> >      > I have a print statement in a for loop so I can watch the
> progress
> >      >
> >      > for line in file(file):
> >      >     the_line = line.split()
> >      >     if the_line:
> >      >         print ("Index = %.2f") %index
> >      >
> >      > Is there a way that only one line will be output and the variable
> is
> >      > updated rather than one line for every index.
> >
> >     I'm not sure I understand what you are asking. index is never
> >     updated in
> >     the loop above.
> >
> >     If you want to overwrite the same line on the console, try
> >       print "\rIndex = %.2f" % index,
> >
> >     note ----^
> >          ---------------------------^
> >
> >     You might need some extra spaces at the end of the print to 'erase'
> a
> >     longer previous line.
> >
> >     Kent
> >
> >
> >
> >
> > --
> > "The game of science can accurately be described as a never-ending
> > insult to human intelligence." - João Magueijo
>
>


-- 
"The game of science can accurately be described as a never-ending insult to
human intelligence." - João Magueijo
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