From ffad13c13ff195a048fa7583a8a859fd7e7bf536 Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Wed, 16 Mar 2022 19:10:37 +0000
Subject: - Added guest contribution by Robert DiCicco.

---
 challenge-156/robert-dicicco/bash/ch-1.bash | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 challenge-156/robert-dicicco/bash/ch-1.bash

diff --git a/challenge-156/robert-dicicco/bash/ch-1.bash b/challenge-156/robert-dicicco/bash/ch-1.bash
new file mode 100644
index 0000000000..e09cefb739
--- /dev/null
+++ b/challenge-156/robert-dicicco/bash/ch-1.bash
@@ -0,0 +1,25 @@
+#!usr/bin/env bash
+
+# AUTHOR: Robert DiCicco
+# DATE: 16-MAR-2022
+# Challenge 156 Pernicious Numbers  ( Bash )
+
+Primes=' 2 3 5 7 11 13 17 19 23 29 '
+Cnt=0
+Num=1
+
+until [[ $Cnt -eq 10 ]]
+do
+        BinNum=`echo "obase=2;$Num" | bc`
+        res="${BinNum//[^1]}"
+        rescnt=${#res}
+
+        if grep -q " $rescnt " <<< "$Primes"; then
+                echo -n "$Num "
+                ((Cnt=Cnt+1))
+        fi
+
+        ((Num=Num+1))
+done
+
+echo " "
-- 
cgit