Fixed use of incorrect variable

src/exprash.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
 # shellcheck disable=SC2034 # false flags nameref params
 
-# =====================
-# Require shell options
-# =====================
+# ======================
+# Required shell options
+# ======================
 
 # Necessary for piping to "send" funciton
 shopt -s lastpipe
@@ -12,13 +12,13 @@ shopt -s lastpipe
 # Setup Functions
 # ===============
 
-# $1: Log file to redirect output
+# $1: Log file for redirecting stdout to
 function redirectStdout() {
   local output="$1";
   [ -z "$output" ] && output="/dev/null";
 
   exec 5<&1;
-  _exprashRedirectStdout="$1";
+  _exprashRedirectStdout="$output";
   exec 1>>"$_exprashRedirectStdout";
   printf '%s: %s\n' "${REQUEST_METHOD:-UNKNOWN}" "${PATH_INFO:-/}"
 }