How to resolve the algorithm Letter frequency step by step in the APL programming language

Published on 12 May 2024 09:40 PM
#Apl

How to resolve the algorithm Letter frequency step by step in the APL programming language

Table of Contents

Problem Statement

Open a text file and count the occurrences of each letter. Some of these programs count all characters (including punctuation), but some only count letters A to Z.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Letter frequency step by step in the APL programming language

Source code in the apl programming language

      freq←{(⍪∪⍵),+/(∪⍵)∘.⍷⍵}

      freq 0 1 2 3 2 3 4 3 4 4 4
0 1
1 1
2 2
3 3
4 4              

      freq 'balloon'
b 1
a 1
l 2
o 2
n 1


      text ← ⊃⎕nget 'filename'

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