Rails breakup long lines

def break_up_long_line(str, max)
counter = 0
new_text = ''
for i in 0...str.length
if str[i,1] =~ /
/
counter = 0
else
counter = counter + 1
end
new_text << str[i,1]
if counter >= max && str[i,1] =~ /s/
new_text << "
"
counter = 0
end
end
new_text
end

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