June 2018 Update

Task/Word-wrap/Factor/word-wrap.factor

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+USE: wrap.strings
+IN: scratchpad "Most languages in widespread use today are applicative languages
+: the central construct in the language is some form of function call, where a f
+unction is applied to a set of parameters, where each parameter is itself the re
+sult of a function call, the name of a variable, or a constant. In stack languag
+es, a function call is made by simply writing the name of the function; the para
+meters are implicit, and they have to already be on the stack when the call is m
+ade. The result of the function call (if any) is then left on the stack after th
+e function returns, for the next function to consume, and so on. Because functio
+ns are invoked simply by mentioning their name without any additional syntax, Fo
+rth and Factor refer to functions as words, because in the syntax they really ar
+e just words." [ 60 wrap-string print nl ] [ 45 wrap-string print ] bi

Task/Word-wrap/Julia/word-wrap.julia

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+using TextWrap
+
+text = """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."""
+
+println("# Wrapped at 80 chars")
+print_wrapped(text, width=80)
+println("\n\n# Wrapped at 70 chars")
+print_wrapped(text, width=70)

Task/Word-wrap/Ring/word-wrap.ring

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+# Project : Word wrap
+# Date    : 2018/01/02
+# Author : Gal Zsolt (~ CalmoSoft ~)
+# Email   : <calmosoft@gmail.com>
+
+load "stdlib.ring"
+
+doc = "In olden times when wishing still helped one, there lived a king
+whose daughters were all beautiful, but the youngest was so beautiful
+that the sun itself, which has seen so much, was astonished whenever
+it shone in her face.  Close by the king's castle lay a great dark
+forest, and under an old lime-tree in the forest was a well, and when
+the day was very warm, the king's child went out into the forest and
+sat down by the side of the cool fountain, and when she was bored she
+took a golden ball, and threw it up on high and caught it, and this
+ball was her favorite plaything."
+
+wordwrap(doc,72)
+wordwrap(doc,80)
+
+func wordwrap(doc, maxline)
+        words = split(doc, " ")
+        line = words[1]
+        for i=2 to len(words)
+             word = words[i]
+            if len(line)+len(word)+1 > maxline
+               see line + nl
+               line = word
+            else
+               line = line + " " + word
+           ok
+        next
+        see line + nl + nl