Letter frequency: Difference between revisions
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(Add Swift) |
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The final stage simply reads the totals for each character. One caveat, if a character is unrepresented, then it will not show up at all in this second implementation. |
The final stage simply reads the totals for each character. One caveat, if a character is unrepresented, then it will not show up at all in this second implementation. |
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=={{header|Swift}}== |
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<lang swift>import Foundation |
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let dictPath: String |
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switch CommandLine.arguments.count { |
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case 2: |
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dictPath = CommandLine.arguments[1] |
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case _: |
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dictPath = "/usr/share/dict/words" |
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} |
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let wordsData = FileManager.default.contents(atPath: dictPath)! |
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let allWords = String(data: wordsData, encoding: .utf8)! |
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let words = allWords.components(separatedBy: "\n") |
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let counts = words.flatMap({ $0.map({ ($0, 1) }) }).reduce(into: [:], { $0[$1.0, default: 0] += $1.1 }) |
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for (char, count) in counts { |
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print("\(char): \(count)") |
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}</lang> |
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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