bug fix in regression test condition check

darshan-test/regression/run-all.sh

@@ -46,12 +46,12 @@ fi
 source $DARSHAN_TESTDIR/$DARSHAN_PLATFORM/env.sh
 
 # in case of using LD_PRELOAD, it is possible errors with Darshan symbols
-# (e..g, forgetting to resolve a symbol Darshan wraps uses using dlsym) 
-# can cause arbitrary binaries to crash. We check the output of the true
+# (e..g, forgetting to resolve a symbol Darshan wraps using dlsym) can
+# cause arbitrary binaries to crash. We check the output of the true
 # command to successfully identify failures like this and exit
 true_out=`/bin/true 2>&1`
-if [ $? -ne 0 -o -n true_out ]; then
-    echo $true_out
+if [ $? -ne 0 -o -n "$true_out" ]; then
+    echo -n $true_out > tmp
     echo "environment setup failed"
     exit 1
 fi