CODEWITHSUNDEEP
python
user1008855
user1008855

Reputation: 23

Reading variables from text files

I have a text file, xyz.txt that has variables, and I want to use those variables, I know how to read them but do not know how to use it and call them when I need it. For example, If in the text file there is x = 123 I would like to be able to call on that variable for use, so if i said print x it would give me 123.

text file:

x = 1.000
y = 2.343
z = 3.000

Later on It will have more data.

Upvotes: 0

Views: 7355

Answers (2)

Cédric Julien
Cédric Julien

Reputation: 80831

A simple way to do it is to load the content of your file and then use execfile(file_content), then you will be able to make print x and it will print the content of x.

Upvotes: 0

Igor Popov
Igor Popov

Reputation: 10101

One solution might be using a dictionary:

vars = dict()

with open("file.txt") as f:
    for line in f:
        eq_index = line.find('=')
        var_name = line[:eq_index].strip()
        number = float(line[eq_index + 1:].strip())
        vars[var_name] = number

print(vars)

And the file.txt:

a = 1
b = 2
c = 3
d = 4
variable = 5

So, if you want to see the variable value you just do:

print(vars["variable"])

Upvotes: 4

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