Create checkNet.bat

network/checkNet.bat

@@ -0,0 +1,51 @@
+@echo off
+:checkNet
+
+::
+:: checks if a network interface with given name is connected
+:: or not through ipconfig command
+::
+
+setlocal
+
+if "%~1" equ "" echo no network name passed & exit /b 1
+
+set "network_to_check=%~1"
+if "%network_to_check:~-1,1%" NEQ ":" set "network_to_check=%network_to_check%:"
+
+set nt=0
+setlocal enableDelayedExpansion
+for /f "skip=3 delims=" %%$ in ('ipconfig') do (
+    set "line=%%$"
+    ! echo %%$ >&2
+
+    if "!line:~0,1!" neq " " (
+        set /a nt=nt+1
+        set _nt!nt!=!line!
+
+    ) else (
+        ! echo ----
+        for /f %%# in ("!nt!") do (
+            ! echo a:%%#
+            ! echo --- %%# ---
+
+            set "_nt!nt!=!_nt%%#!  !line!" 
+
+        )   
+    )
+)
+
+set _nt|find /i "%network_to_check%" >nul 2>nul||(
+    echo network not found
+    exit /b 1
+)
+
+set _nt| find /i "%network_to_check%"|find /i "Media disconnected" >nul 2>nul&&(
+    echo disconnected
+    exit /b 1
+) 
+
+echo connected
+
+endlocal
+endlocal