Count letters: Difference between revisions
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#REDIRECT [[Letter frequency]] |
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{{task|Count letters}} |
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;Task: |
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Count the letters used in a sentence, by code point, generating a hash or associative array, or appropriate construct for the language. |
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Update: Apparently, this is relatively the same task as at the following page, so this one should likely be deleted. |
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https://rosettacode.org/wiki/Letter_frequency |
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<br> |
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=={{header|Factor}}== |
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{{works with|Factor|0.99 2020-01-23}} |
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<lang factor>USING: kernel math.statistics prettyprint sequences strings |
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unicode ; |
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: count-letters ( seq -- assoc ) |
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[ Letter? ] filter [ 1string ] { } map-as histogram ; |
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"fuzzy furry kittens" "ασδ ξκλ ασδ ξα" [ count-letters . ] bi@</lang> |
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{{out}} |
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<pre> |
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H{ |
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{ "e" 1 } |
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{ "f" 2 } |
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{ "i" 1 } |
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{ "k" 1 } |
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{ "n" 1 } |
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{ "r" 2 } |
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{ "s" 1 } |
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{ "t" 2 } |
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{ "u" 2 } |
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{ "y" 2 } |
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{ "z" 2 } |
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} |
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H{ { "α" 3 } { "σ" 2 } { "δ" 2 } { "κ" 1 } { "λ" 1 } { "ξ" 2 } } |
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</pre> |
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=={{header|langur}}== |
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{{works with|langur|0.7.0}} |
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<lang langur>var .countLetters = f(.s) { |
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for[=h{}] .s2 in split(replace(.s, RE/\P{L}/)) { |
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_for[.s2; 0] += 1 |
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} |
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} |
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writeln .countLetters("fuzzy furry kittens") |
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writeln .countLetters("ασδ ξκλ ασδ ξα") # random Greek letters</lang> |
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{{works with|langur|0.6.11}} |
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<lang langur>var .countLetters = f(.s) { |
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foldfrom( |
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f(var .h2, .s2) { .h2[.s2; 0] += 1; .h2 }, |
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h{}, |
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split(replace(.s, RE/\P{L}/)), |
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) |
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} |
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writeln .countLetters("fuzzy furry kittens") |
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writeln .countLetters("ασδ ξκλ ασδ ξα") # random Greek letters</lang> |
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{{out}} |
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<pre>h{"f": 2, "u": 2, "z": 2, "y": 2, "r": 2, "k": 1, "i": 1, "t": 2, "e": 1, "n": 1, "s": 1} |
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h{"α": 3, "σ": 2, "δ": 2, "ξ": 2, "κ": 1, "λ": 1}</pre> |
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Latest revision as of 10:01, 12 March 2020
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