Write command doesn't print everything on the same line

Question

I am using the following commands inside a Loop to open a .txt file and write some results on the file.

with open ('results.txt', 'a') as file: 
    file.write('%s %d %s %s \n' %(timestamp, v, str(dcur), str(gcur)))

However, the results are not printed on the same line at the .txt file and str(gcur) appears on the next one.

Why does this happen and how could it be solved?

try with (timestamp, v, str(dcur).rstrip("\n"), str(gcur).rstrip("\n"))) — Netwave
– Netwave, Commented Oct 24, 2019 at 9:55
If you have no \n in your strings gcur and dcur, then it should not happen. Could you give a complete example with inputs and outputs? Thanks — SSharma
– SSharma, Commented Oct 24, 2019 at 9:59

Netwave · Accepted Answer · 2019-10-24 10:13:01Z

3

Most probably is because when calling str to dcur it adds a "\n" somehow.

You can stript it:

with open ('results.txt', 'a') as file: 
    file.write('%s %d %s %s \n'.format(timestamp, v, str(dcur).rstript("\n"), str(gcur).rstript("\n")))

edited Oct 24, 2019 at 10:13

answered Oct 24, 2019 at 9:57

Netwave

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nasedil-genio · Accepted Answer · 2019-10-24 10:14:57Z

0

You are printing the format string '%s %d %s %s \n' in which %s and %d are replaced by timestamp, v, str(dcur), str(gcur) variables. Note the \n in the end of your format string — this is newline character. You should remove it if you want everything to be printed on the same line, like this:

with open ('results.txt', 'a') as file: 
    file.write('%s %d %s %s' %(timestamp, v, str(dcur), str(gcur)))

answered Oct 24, 2019 at 10:14

nasedil-genio

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