Add retry

za3k · Jun 1, 2015 · 362117a · 362117a
1 parent 3b7cf66
commit 362117a
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diff --git a/README.md b/README.md
@@ -30,3 +30,7 @@ Checks which Arch Linux package owns a command
 ping-test
 ---
 Return true if the internet is up (a single ping to 8.8.8.8 returns).
+
+retry
+---
+retry a command 5 times or until it succeeds
diff --git a/retry b/retry
@@ -0,0 +1,15 @@
+#!/bin/bash
+nTrys=0
+maxTrys=5
+status=256
+until [ $status == 0 ] ; do
+    $1
+    status=$?
+    nTrys=$(($nTrys + 1))
+    if [ $nTrys -gt $maxTrys ] ; then
+        exit $status
+    fi
+    if [ $status != 0 ] ; then
+        sleep 1
+    fi
+done