Python file.write() is adding an extra newline after a variable in a concatenated string

Question

I have been trying to solve this issue. I have written:

file.write("pyautogui.write(" + "'" + textEntry + "'" + ")")

but in the file that is written to, the following is written:

pyautogui.write('test
')

I want it all to be on one line. Does anyone know the cause for this? I have tried fixing it, but to no avail.

Try `textEntry.strip()`. – Mechanic Pig Apr 26 '22 at 01:19 — Mechanic Pig, Apr 26 '22 at 01:19

score 0 · Answer 1 · answered Apr 26 '22 at 01:20

it seems like your textEntry variable probably has a newline character at the end.

you should try stripping newlines and spaces from the end of the string if that is all you want to do so something like:

file.write("pyautogui.write(" + "'" + textEntry.rstrip() + "'" + ")")

here is some more info on rstrip: https://stackoverflow.com/a/275025/13282454

score 0 · Answer 2 · answered Apr 26 '22 at 01:24

0

I think your textEntry is like that

    textEntry = '''
text
'''

so it has a newline. try to remove it and write simply

`textEntry='text'`

answered Apr 26 '22 at 01:24

stu_dent

47
6

score 0 · Accepted Answer · answered Apr 26 '22 at 01:25

0

What's happening here is that the textEntry variable likely has a \n character at the end of it, a simple way to solve that is by using strip(). Also, it is generally recommended to use f-Strings instead of doing the + each time. A solution is as follows:

file.write(f"pyautogui.write('{textEntry.strip()}')")

answered Apr 26 '22 at 01:25

Caden Grey

40
1

I didn't even think about there being a newline at the end of the textEntry variable. Also, in layman's terms, does .strip() just remove any extra whitespace or escape characters from a string? – Cnut Cnutson Apr 26 '22 at 01:51
@CnutCnutson The `.strip()` method removes all whitespace characters that are at the start and end of the string, so `" hello\n "` becomes `"hello"`. – Red May 15 '22 at 23:13

score 0 · Answer 4 · answered May 15 '22 at 23:10

As there will always be a trailing newline character (\n) in the textEntry string, all you'll have to do is use a slice that leaves out the last character in the string:

file.write("pyautogui.write(" + "'" + textEntry[:-1] + "'" + ")")

You can also make use of Python formatted strings:

file.write(f"pyautogui.write('{textEntry[:-1]}')")

Python file.write() is adding an extra newline after a variable in a concatenated string

4 Answers4