sum-of-digits puz

Author: Todd Hogarth

Bash/sum-of-digits.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# https://www.codeeval.com/open_challenges/21/
+
+file="$1"
+OLDIFS=$IFS
+IFS="\n"
+while read line || [[ -n "$line" ]]
+do
+    c=0
+    for((x=0; x<${#line}; x++))
+    do
+        d=${line:x:1}
+        c=$((c + d))
+    done
+    echo $c
+done < "$file"
+IFS=$OLDIFS

data/challenge_21_data

@@ -1,2 +1,2 @@
 23
-496
+555