parssh - parallel ssh exec w/ custom concurrency - first commit

1 files changed, 15 insertions, 0 deletions

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
+}