I have a long string which I would like to break into pieces, of max X characters. BUT, only at a space (if some word in the string is longer than X chars, just put it into its own piece).
I don't even know how to begin to do this ... Pythonically
pseudo code:
declare a list
while still some string left:
take the fist X chars of the string
find the last space in that
write everything before the space to a new list entry
delete everything to the left of the space
Before I code that up, is there some python module that can help me (I don't think that pprint can)?
To split a string with space as delimiter in Java, call split() method on the string object, with space " " passed as argument to the split() method. The method returns a String Array with the splits as elements in the array.
The split() method splits a string into a list. You can specify the separator, default separator is any whitespace. Note: When maxsplit is specified, the list will contain the specified number of elements plus one.
String. Split can use multiple separator characters. The following example uses spaces, commas, periods, colons, and tabs as separating characters, which are passed to Split in an array . The loop at the bottom of the code displays each of the words in the returned array.
Use the textwrap
module (it will also break on hyphens):
import textwrap
lines = textwrap.wrap(text, width, break_long_words=False)
If you want to code it yourself, this is how I would approach it: First, split the text into words. Start with the first word in a line and iterate the remaining words. If the next word fits on the current line, add it, otherwise finish the current line and use the word as the first word for the next line. Repeat until all the words are used up.
Here's some code:
text = "hello, this is some text to break up, with some reeeeeeeeeaaaaaaally long words."
n = 16
words = iter(text.split())
lines, current = [], next(words)
for word in words:
if len(current) + 1 + len(word) > n:
lines.append(current)
current = word
else:
current += " " + word
lines.append(current)
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