From 99778934c125ff4ede23f5949490cc67c522c2d1 Mon Sep 17 00:00:00 2001
From: "W. Eric Norum" <wenorum@lbl.gov>
Date: Fri, 9 Jul 2004 18:40:42 +0000
Subject: [PATCH] Ensure that redirection is off before attempting to read next
 line.

---
 src/iocsh/iocsh.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/iocsh/iocsh.cpp b/src/iocsh/iocsh.cpp
index 1f4b26471..3e3192eed 100644
--- a/src/iocsh/iocsh.cpp
+++ b/src/iocsh/iocsh.cpp
@@ -420,8 +420,7 @@ iocsh (const char *pathname)
     argc = 0;
     wasOkToBlock = epicsThreadIsOkToBlock(epicsThreadGetIdSelf());
     epicsThreadSetOkToBlock(epicsThreadGetIdSelf(), 1);
-    while ((raw = epicsReadline(prompt, readlineContext)) != NULL) {
-        lineno++;
+    for (;;) {
 
         /*
          * Undo redirection
@@ -435,6 +434,13 @@ iocsh (const char *pathname)
         }
         stopRedirect(filename, lineno, redirects);
 
+        /*
+         * Read a line
+         */
+        if ((raw = epicsReadline(prompt, readlineContext)) == NULL)
+            break;
+        lineno++;
+
         /*
          * Ignore comment lines other than to echo
          * them if they came from a script.