read numbers from file and covert to integer

[Øystein Western]

I got a file with a lot blocks of numbers that are strings. I'd like to read
all
this numbers and convert them to numbers for futher compareation. How can I
convert all this numbers to integer? Do I have to put all numbers into a
list?

regards
frengky


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[Peter Hansen]

I got a file with a lot blocks of numbers that are strings. I'd like to read
all
this numbers and convert them to numbers for futher compareation. How can I
convert all this numbers to integer? Do I have to put all numbers into a
list?

It would help immensely if you could post some kind of
example of the sorts of data you are talking about,
perhaps a hex representation of the bytes (if it's
a binary file). Otherwise we are just guessing how
you are using the terms "block", "number", "string",
and even "integer".

-Peter

 

[beliavsky]

If you have a file "ints.txt" with contents

10 20
30
40 50 60

You could read integers into a list with

ivec = []
for text in open("ints.txt","r"):
words = text.split()
for x in words:
ivec.append(int(x))
print ivec

If you know you want to read two integers into variables a,b from a
line you could write

a,b = int(words[0]),int(words[1])

Excuse me, but if your question is really so elementary that this post
answered it, you should probably read a book or tutorial.