[Tutor] updating a print statement
Bryan Fodness
bryan.fodness at gmail.com
Mon Dec 10 23:14:27 CET 2007
It works now.
Closed everything down and reopened.
Thanks.
On Dec 10, 2007 5:07 PM, Bryan Fodness <bryan.fodness at gmail.com> wrote:
> I ran it both in IDLE and Command Prompt
>
>
> On Dec 10, 2007 5:02 PM, Kent Johnson <kent37 at tds.net> wrote:
>
> > How are you running the program?
> >
> > Bryan Fodness wrote:
> > >
> > > 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 my output,
> > >
> > > Index = 0.000 Index = 0.400 Index = 0.800 Index = 1.000
> > >
> > >
> > > On Dec 10, 2007 4:48 PM, Kent Johnson <kent37 at tds.net
> > > <mailto:kent37 at tds.net>> wrote:
> > >
> > > Bryan Fodness wrote:
> > > > 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
> > >
> > > Add a comma at the end of the above line to suppress the newline
> > that
> > > print normally outputs.
> > >
> > > Kent
> > >
> > > > 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
> > > <mailto:kent37 at tds.net >
> > > > <mailto:kent37 at tds.net <mailto: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>
> > > > <mailto:kent37 at tds.net <mailto: kent37 at tds.net>>
> > > > > <mailto:kent37 at tds.net <mailto:kent37 at tds.net>
> > > <mailto: 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
> > >
> > >
> > >
> > >
> > > --
> > > "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
>
--
"The game of science can accurately be described as a never-ending insult to
human intelligence." - João Magueijo
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.python.org/pipermail/tutor/attachments/20071210/b07614c5/attachment.htm
More information about the Tutor
mailing list