[Tutor] updating a print statement
bryan.fodness at gmail.com
Mon Dec 10 22:45:00 CET 2007
Here is the code.
for line in file('test.txt'):
the_line = line.split()
if the_line == 'Index':
index = float(the_line[-1])
print ("\rIndex = %.3f") %index
Here is the output.
Index = 0.000
Index = 0.400
Index = 0.800
Index = 1.000
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?
> 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
> > >
> > > 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
> > > 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'
> > 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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