changed file and folder names to a sane scheme

e0001/euler0001.bash

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+declare -i sum=0
+
+for i in {1..999}; do
+    { 
+        echo $i | grep -E "*[05]$" || factor $i | grep -P "\d+:(\s\d)*(\s[35])(\s\d*)*$"; 
+    } > /dev/null && sum=$(( $sum + $i ))
+done
+
+echo "$sum"

e0001/euler0001.jl

@@ -0,0 +1,9 @@
+#!/usr/bin/julia
+
+println(
+    sum(filter(
+            x -> (x % 3 == 0) || (x % 5 == 0),
+            1:999
+        )
+    )
+)

e0001/euler0001.js

@@ -0,0 +1,8 @@
+#!/usr/bin/node
+
+console.log(
+    [...Array(999).keys()]
+        .filter( x => (x+1) % 3 == 0 || (x+1) % 5 == 0)
+        .reduce( (sum, x) => sum + x + 1)
+    + 1
+);

e0001/euler0001.py

@@ -0,0 +1 @@
+sum([x for x in range(1,1000) if x % 5 == 0 or x % 3 == 0])

e0001/euler0001.rkt

@@ -0,0 +1,7 @@
+#lang typed/racket
+
+(foldl (λ ((x : Nonnegative-Integer)
+           (y : Nonnegative-Integer))
+         (if (or (zero? (remainder x 3))
+                 (zero? (remainder x 5)))
+             (+ x y) y)) 0 (range 1 1000))