Powershell如何在命令行上输入多行

目标：

function Get-Base64 {
  Write-Host 'Decode:' -ForegroundColor Yellow -NoNewline
  $data = Read-Host
  $decode = [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String("$data"))
  $decode.ToString()
      }

PS > Get-Base64
Decode)ZXZhbChmdW5jdGlvbihwLGEsYyxrLGUsZCl7ZT1mdW5jdGlvbihjKXtyZXR1cm4oYzxhPycnOmUo
eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(
PS > cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50
cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50 : The term 'cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50' is not recognized as the name of a cmdlet, function, script file,
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyO ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (cGFyc2VJbnQoYy9...GUoYysyOSk6Yy50:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

我试图找到一个解决方案，允许我输入一个可以是多行的Base64编码字符串。目标是解码字符串并在powershell控制台中获得返回的输出。最初，我称之为WinForms对话，但是，这在隐式远程处理中是不可能的

这就是我目前的情况：

function Get-Base64 {
  Write-Host 'Decode:' -ForegroundColor Yellow -NoNewline
  $data = Read-Host
  $decode = [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String("$data"))
  $decode.ToString()
      }

PS > Get-Base64
Decode)ZXZhbChmdW5jdGlvbihwLGEsYyxrLGUsZCl7ZT1mdW5jdGlvbihjKXtyZXR1cm4oYzxhPycnOmUo
eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(
PS > cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50
cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50 : The term 'cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50' is not recognized as the name of a cmdlet, function, script file,
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyO ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (cGFyc2VJbnQoYy9...GUoYysyOSk6Yy50:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

输入多行时，我收到以下错误消息：

function Get-Base64 {
  Write-Host 'Decode:' -ForegroundColor Yellow -NoNewline
  $data = Read-Host
  $decode = [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String("$data"))
  $decode.ToString()
      }

PS > Get-Base64
Decode)ZXZhbChmdW5jdGlvbihwLGEsYyxrLGUsZCl7ZT1mdW5jdGlvbihjKXtyZXR1cm4oYzxhPycnOmUo
eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(
PS > cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50
cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50 : The term 'cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50' is not recognized as the name of a cmdlet, function, script file,
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyO ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (cGFyc2VJbnQoYy9...GUoYysyOSk6Yy50:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

PS>Get-Base64
解码）ZXZHBCHMDW5JDGLVBIHWLGESYXRLGUSCL7ZT1MDW5JDGLVBIHJKXTYZXR1CM4OYZXHYCNOMUO
eval（function（p，a，c，k，e，d）{e=function（c）{return（c cgfyc2vjbnqoyy9hkpkygoyz1jweppjm1p1n0cmluzy5mcm9tq2hhcknvzguoyysk6yy50
CGFYC2VJBNQOYY9HKSKPKYGOYZ1JJWEPPJM1P1N0CMLUZY5MCM9TQ2HHCKNVZGUYYSYOSK6YY50：术语“CGFYC2VJBNQOYY9HKSKPKYGOYZ1JWEPPJM1P1N0CMLUZY5MCM9TQ2HHCKNVZGUYYSYOSK6YY50”不能识别为cmdlet、函数、脚本文件的名称，
或可操作的程序。请检查名称的拼写，或者如果包含路径，请验证路径是否正确，然后重试。
第1行字符：1
+CGFYC2VJBNQOYY9HKSKPKYGOYZ1JJWEPPJM1P1N0CMLUZY5MCM9TQ2HHCKNVZGUYYSYO。。。
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+CategoryInfo:ObjectNotFound:（cGFyc2VJbnQoYy9…GUYYSYOSK6YY50:String）[]，CommandNotFoundException
+FullyQualifiedErrorId:CommandNotFoundException

您可以看到它解码了第一部分，然后在下一行，将其作为cmdlet读取

问题：

function Get-Base64 {
  Write-Host 'Decode:' -ForegroundColor Yellow -NoNewline
  $data = Read-Host
  $decode = [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String("$data"))
  $decode.ToString()
      }

PS > Get-Base64
Decode)ZXZhbChmdW5jdGlvbihwLGEsYyxrLGUsZCl7ZT1mdW5jdGlvbihjKXtyZXR1cm4oYzxhPycnOmUo
eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(
PS > cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50
cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50 : The term 'cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyOSk6Yy50' is not recognized as the name of a cmdlet, function, script file,
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ cGFyc2VJbnQoYy9hKSkpKygoYz1jJWEpPjM1P1N0cmluZy5mcm9tQ2hhckNvZGUoYysyO ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (cGFyc2VJbnQoYy9...GUoYysyOSk6Yy50:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

---

如何避免格式冲突以解码多行？

base64编码字符串不能在多行上；这些字符串将是独立的base64编码字符串。原始内容中的换行符将被编码，而不是保留

如果要读取多个独立的base64编码字符串，则不能通过调用

read Host

，只读取一行

您将不得不循环并持续记录行，直到您得到一些要停止的“信号”输入（如空白输入）：

---

base64编码的字符串不能在多行上；这些行应该是单独的、独立的base64编码字符串。原始内容中的换行将被编码，而不是保留

如果要读取多个独立的base64编码字符串，则不能通过调用

read Host

，只读取一行

您将不得不循环并持续记录行，直到您得到一些要停止的“信号”输入（如空白输入）：