/Shell/Bash/Check value is number in cmd

Check value is number in cmd

#!/bin/bash

var=a

if [ -n "$var" ] && [ "$var" -eq "$var" ] 2>/dev/null; then
  echo number
else
  echo not a number
fi

Source: stackoverflow.com

Check value is number in cmd

echo off &echo.&echo off
set /p pilih=silahkan masukan adb port ? &
echo off &echo.&echo off

SET /a param="%pilih%" + 0

if not %param% == 0 echo hello wordl
pause

Source: stackoverflow.com

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