supress port check error message #8

mviereck · mviereck · commit 626d0a9d9d1c · 2022-08-17T13:02:48.000+02:00
diff --git a/runx b/runx
@@ -1,7 +1,7 @@
 #! /bin/bash
 # runx: Provide an X server in Cygwin, MSYS2 or WSL.
 
-Version="v0.4.11"
+Version="v0.4.12"
 
 usage() {                       # Usage information (--help)
   echo "runx - Run Linux GUI applications on MS Windows.
@@ -280,7 +280,7 @@ check_display() {               # Find unused display number
   return 1
 }
 check_displayport() {           # Return 0 if display number $1 is in use
-  </dev/tcp/"$Hostip"/$((6000+${1:-})) >/dev/null 2>&1
+  (</dev/tcp/"$Hostip"/$((6000+${1:-})) ) >/dev/null 2>&1
 }
 check_host() {                  # Check host environment
 

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`#! /bin/bash`
`2`	`2`	`# runx: Provide an X server in Cygwin, MSYS2 or WSL.`
`3`	`3`
`4`		`-Version="v0.4.11"`
	`4`	`+Version="v0.4.12"`
`5`	`5`
`6`	`6`	`usage() { # Usage information (--help)`
`7`	`7`	`echo "runx - Run Linux GUI applications on MS Windows.`
`@@ -280,7 +280,7 @@ check_display() { # Find unused display number`
`280`	`280`	`return 1`
`281`	`281`	`}`
`282`	`282`	`check_displayport() { # Return 0 if display number $1 is in use`
`283`		`- </dev/tcp/"$Hostip"/$((6000+${1:-})) >/dev/null 2>&1`
	`283`	`+ (</dev/tcp/"$Hostip"/$((6000+${1:-})) ) >/dev/null 2>&1`
`284`	`284`	`}`
`285`	`285`	`check_host() { # Check host environment`
`286`	`286`