diff --git a/cmpUtil.php b/cmpUtil.php
index cd64e18..65bfbf3 100644
--- a/cmpUtil.php
+++ b/cmpUtil.php
@@ -250,8 +250,7 @@
 		}
 
 
-
-		function cmpSysExec($cmaRaw, $opt = []) {
+		function cmpShellEscArr($cmaRaw) {
 			$ttr = array(
 				"\t" => "\\\t", "\$" => "\\\$",
 				"\\" => "\\\\", "\"" => "\\\"",
@@ -277,7 +276,18 @@
 				$cmaEsc[] = strtr($cmaRaw[$i], $ttr);
 			}
 
-			$cmdStr = join(" ", $cmaEsc);
+			return $cmaEsc;
+		}
+
+		function cmpShellEscStr($cmaRaw) {
+			$cmaEsc = $this->cmpShellEscArr($cmaRaw);
+
+			return join(" ", $cmaEsc);
+		}
+
+		function cmpSysExec($cmaRaw, $opt = []) {
+			$cmdStr = $this->cmpShellEscStr($cmaRaw);
+
 			if(!@$opt["silent"]) {
 				$this->d("cmpSysExec: " . $cmdStr);
 			}