From a3199903b64115b9d83493b46ea2a0a1ca6c18db Mon Sep 17 00:00:00 2001
From: James Pannacciulli <jpnc@jpnc.info>
Date: Fri, 23 Jan 2015 09:40:18 -0800
Subject: parssh - parallel ssh exec w/ custom concurrency - first commit

---
 pars.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 pars.sh

(limited to 'pars.sh')

diff --git a/pars.sh b/pars.sh
new file mode 100644
index 0000000..345e511
--- /dev/null
+++ b/pars.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+parssh () 
+{ 
+    [[ "$1" == -[0-9]* && "$1" != *[^0-9-]* ]] && {
+      parssh_concurrency=${1#-}
+      shift
+    }
+    while read host; do
+        while (( $(jobs -pr | wc -l) >= ${parssh_concurrency:-4} )); do
+            sleep 1;
+        done;
+        ssh -no StrictHostKeyChecking=no $host "$@" &
+    done
+}
-- 
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