From f137425d666429172f990c6a7c5e5af7ab2bf99d Mon Sep 17 00:00:00 2001
From: James Pannacciulli <jpnc@jpnc.info>
Date: Fri, 23 Jan 2015 16:18:30 -0800
Subject: allow an inner file specification (file to be passed to ssh)

---
 pars.sh | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/pars.sh b/pars.sh
index 4e3544e..819153b 100644
--- a/pars.sh
+++ b/pars.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
 parssh () {
+    local origopts=$-
+    set -m
     while [[ "$1" == -* ]]; do
         case ${1#-} in
             [0-9]*)
@@ -10,29 +12,43 @@ parssh () {
                 }
             ;;
             fo|fouter)
-                [[ -f "$2" ]] || {
-                    echo "'$2': invalid file name"
+                [[ -r "$2" ]] || {
+                    echo "'$2': invalid file name or permissions issue"
                     return 99
                 }
                 local parssh_fouter="$2"
                 shift
                 shift
             ;;
+            fi|finner)
+                [[ -r "$2" ]] || {
+                    echo "'$2': invalid file name or permissions issue"
+                    return 98
+                }
+                local parssh_finner="$2"
+                shift
+                shift
+            ;;
         esac
     done
 
     [[ -z "$parssh_fouter" ]] && {
         exec 9<&0
     } || {
-        echo "reading $parssh_fouter"
         exec 9<"$parssh_fouter"
     }
-                
+
     while read host; do
         while (( $(jobs -pr | wc -l) >= ${parssh_concurrency:-4} )); do
-            sleep 1;
-        done;
-        ssh -no StrictHostKeyChecking=no $host "$@" &
+            sleep 1
+        done
+        if [[ -z "$parssh_finner" ]]; then
+            ssh -no StrictHostKeyChecking=no $host "$@" &
+        else
+            ssh -To StrictHostKeyChecking=no $host "$@" < "$parssh_finner" &
+        fi
     done <&9
+    wait
     exec 9>&-
+    [[ "${origopts//[^m]/}" == "m" ]] || set +m
 }
-- 
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