/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

Similar codes

5 votes303 views2 answers
Unable to resolve reference git
Shell/Bash
3 votes306 views1 answer
If argument exists bash
Shell/Bash
0 vote300 views1 answer
Xrandr non cambia la luminosità
Shell/Bash
2 votes308 views1 answer
Linux grt repository
Shell/Bash
15 votes296 views4 answers
Npm check package latest version
Shell/Bash
0 vote311 views1 answer
Renaming heroku remotes
Shell/Bash
0 vote303 views1 answer
Zsh arithmetic
Shell/Bash
0 vote356 views1 answer
How to download Citrix Workspace for Ubuntu
Shell/Bash
0 vote304 views1 answer
Delete freebsd account
Shell/Bash
3 votes320 views1 answer
Notepad++ kali
Shell/Bash