add a sum.sh script example

1 files changed, 13 insertions, 0 deletions

diff --git a/sum.sh b/sum.sh
new file mode 100755
index 0000000..37a7ab2
--- /dev/null
+++ b/sum.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+echo -n "$1"
+
+for i in $*; do
+    if [ ! $i -eq 1 ]; then
+        echo -n " + $i"
+    fi
+    sum=$(($sum + $i))
+done
+
+echo " = $sum"
+