ScriptBackup--powerShell-alias

# alias
param([string]$Command, $AliasKeys)


# 使用 DarkRed 背景色 White 前景色 不换行显示
function DisplayErrorMsg($Msg) {
    $Msg | Write-Host -NoNewLine -ForegroundColor White -BackgroundColor DarkRed
}


# 简单的说明
function DisplayHelp() {
    ( 'Usage:',
      'set aliases:',
      '    scriptName set <AliasKeys>',
      'list all usable aliasKeys:',
      '    scriptName list',
      "`n") | Write-Host
}


# 显示可设置的别名列表
function DisplayList() {
    ('curl', 'python3') | Write-Host
}


# 设置别名
function SetAliases() {
    switch($AliasKeys) {
        'curl' { set-alias curl E:/program.d/curl-7.67.0-win64-mingw/bin/curl.exe;
                 'curl setted';
        }
        'python3' { set-alias python3 E:/program.d/python-3.8/python.exe;
                    set-alias pip3 E:/program.d/python-3.8/Scripts/pip3.exe;
                    set-alias http E:/program.d/python-3.8/Scripts/http.exe;
                    set-alias https E:/program.d/python-3.8/Scripts/https.exe;
                    set-alias idle E:/program.d/python-3.8/Lib/idlelib/idle.pyw;
                    'python3 pip3 http https idle setted'
        }
        default { DisplayErrorMsg ('Unknown alias key "', $_, '"', "`n") }
    }
}


# run
switch($Command) {
    'set' { . SetAliases ; break; }
    'list' { DisplayList }
    '--help' { DisplayHelp }
    default { DisplayErrorMsg ('Unknown command "', $_, '"',
                               "`nfor help call scriptName --help`n`n"
                              ) 
    }
}

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