python – A good way to make long strings wrap to newline?

python – A good way to make long strings wrap to newline?

You could use textwrap module:

>>> import textwrap
>>> strs = In my project, I have a bunch of strings that are read in from a file. Most of them, when printed in the command console, exceed 80 characters in length and wrap around, looking ugly.
>>> print(textwrap.fill(strs, 20))
In my project, I
have a bunch of
strings that are
read in from a file.
Most of them, when
printed in the
command console,
exceed 80 characters
in length and wrap
around, looking
ugly.

help on textwrap.fill:

>>> textwrap.fill?

Definition: textwrap.fill(text, width=70, **kwargs)
Docstring:
Fill a single paragraph of text, returning a new string.

Reformat the single paragraph in text to fit in lines of no more
than width columns, and return a new string containing the entire
wrapped paragraph.  As with wrap(), tabs are expanded and other
whitespace characters converted to space.  See TextWrapper class for
available keyword args to customize wrapping behaviour.

Use regex if you dont want to merge a line into another line:

import re


strs = In my project, I have a bunch of strings that are.
Read in from a file.
Most of them, when printed in the command console, exceed 80.
Characters in length and wrap around, looking ugly.

print(n.join(line.strip() for line in re.findall(r.{1,40}(?:s+|$), strs)))

# Reading a single line at once:
for x in strs.splitlines():
    print n.join(line.strip() for line in re.findall(r.{1,40}(?:s+|$), x))

output:

In my project, I have a bunch of strings
that are.
Read in from a file.
Most of them, when printed in the
command console, exceed 80.
Characters in length and wrap around,
looking ugly.

This is what the textwrap module is for. Try textwrap.fill(some_string, width=75).

python – A good way to make long strings wrap to newline?

This is similar to Ashwinis answer but does not use re:

lim=75
for s in input_string.split(n):
    if s == : print
    w=0 
    l = []
    for d in s.split():
        if w + len(d) + 1 <= lim:
            l.append(d)
            w += len(d) + 1 
        else:
            print  .join(l)
            l = [d] 
            w = len(d)
    if (len(l)): print  .join(l)

Output when the input is your question:

In my project, I have a bunch of strings that are read in from a file.
Most of them, when printed in the command console, exceed 80 characters in
length and wrap around, looking ugly.

I want to be able to have Python read the string, then test if it is over
75 characters in length. If it is, then split the string up into multiple
strings, then print one after the other on a new line. I also want it to be
smart, not cutting off full words. i.e. The quick brown <newline> fox...
instead of the quick bro<newline>wn fox....