From 64397c35fb21db7d47d0182eeaa44c2070fc6afa Mon Sep 17 00:00:00 2001
From: mo khan <mo.khan@gmail.com>
Date: Mon, 14 Oct 2019 09:53:56 -0600
Subject: Add unit tests

---
 bin/duplicate-ids | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'bin/duplicate-ids')

diff --git a/bin/duplicate-ids b/bin/duplicate-ids
index 2d04668..a1e2b39 100755
--- a/bin/duplicate-ids
+++ b/bin/duplicate-ids
@@ -1,3 +1,15 @@
 #!/bin/bash
 
-cat /etc/passwd | grep -v -E '^#'  | awk -F: '{ print $3 }' | sort -n | uniq -d
+FILE=${1:-'/etc/passwd'}
+
+ids=$(grep -v -E '^#' "$FILE" | awk -F: '{ print $3 }' | sort -n | uniq -d)
+
+for id in $ids; do
+  grep -v -E '^#' "$FILE" | awk -F: '{ print $3 " " $1 }' | grep -E "^$id "
+done
+
+if [ -z "$ids" ]; then
+  exit 0
+else
+  exit 1
+fi
-- 
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