retry commands

gaboshlib/g_retrycmd.bashfunc

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+function g_retrycmd {
+  # If retry delay not set default to 5 seconds
+  [ -z "$g_tries_delay" ] && g_tries_delay=5
+  # If retrys not set default to 5 times
+  [ -z "$g_tries" ] && g_tries=5
+  
+  local g_try=0
+  until [ $g_try -eq $g_tries ]
+  do
+    ((g_try=g_try+1))
+    echo "$(g_date_print) Try $g_try of $g_tries -- $@"
+    $@ && break
+    g_return=$?
+    [ $g_try -eq $g_tries ] && return $g_return
+    sleep $g_tries_delay
+  done
+}