PowerShell / PowerShell/PSScriptAnalyzer
Rule request: Prefix parameters with an unambiguous (ASCII) hyphen-minus
Ninguém assumiu esta issue ainda.
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Descrição
Hyphen-minus characters are sometimes unintendedly replaced when passed by word processors as Microsoft Office applications as MSWord and Outlook. It is recommended to prefix parameters with an unambiguous hyphen-minus as Unicode dashes might cause parsing errors in earlier versions of PowerShell.
Besides it unnecessary triggers the UseBOMForUnicodeEncodedFile rule with no clear indication of the location.
PowerShell 7
# .\Test.ps1
Write-Host “test” –ForegroundColor ‘Red’ -BackgroundColor ‘Green’
Invoke-ScriptAnalyzer .\Test.ps1
RuleName Severity ScriptName Line Message
-------- -------- ---------- ---- -------
PSAvoidUsingWriteHost Warning Test.ps1 1 File 'Test.ps1' uses Write-Host. Avoid using
Write-Host because it might not work in all hosts,
does not work when there is no host, and (prior to
PS 5.0) cannot be suppressed, captured, or
redirected. Instead, use Write-Output,
Write-Verbose, or Write-Information.
PSUseBOMForUnicodeEncodedFile Warning Test.ps1 Missing BOM encoding for non-ASCII encoded file
'Test.ps1'
Windows PowerShell (5.1)
Windows PowerShell (5.1) still has issue with EM-dashes:
.\test.ps1
At C:\Users\Gebruiker\downloads\Test.ps1:1 char:25
+ ... “test†–ForegroundColor ‘Red’ -BackgroundColor ‘Green’
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The string is missing the terminator: ".
+ CategoryInfo : ParserError: (:) [], ParseException
+ FullyQualifiedErrorId : TerminatorExpectedAtEndOfString
Invoke-ScriptAnalyzer .\Test.ps1
RuleName Severity ScriptName Line Message
-------- -------- ---------- ---- -------
TerminatorExpectedAtEndOfString ParseError Test.ps1 1 The string is missing the terminator: ".
PSAvoidUsingWriteHost Warning Test.ps1 1 File 'Test.ps1' uses Write-Host. Avoid using
Write-Host because it might not work in all hosts,
does not work when there is no host, and (prior to
PS 5.0) cannot be suppressed, captured, or
redirected. Instead, use Write-Output,
Write-Verbose, or Write-Information.
PSUseBOMForUnicodeEncodedFile Warning Test.ps1 Missing BOM encoding for non-ASCII encoded file
'Test.ps1'
Proposed technical implementation details (optional)
See (PowerShell based) prototype UseHyphenMinusForParameter at: https://github.com/iRon7/PSRules
What is the latest version of PSScriptAnalyzer at the point of writing
1.21.0
Guia de contribuição
Primeiros passos
- Leia a issue inteira e depois o guia de contribuição do projeto.
- Comente na issue dizendo que vai assumir — evita que duas pessoas façam o mesmo trabalho.
- Faça um fork do repositório e trabalhe em uma branch.
- Abra um pull request que referencie o número da issue.
Direção de pesquisa
Comece pelos exemplos de PowerShell na issue e revise o protótipo vinculado UseHyphenMinusForParameter no PSRules. Compare o comportamento proposto com as regras existentes do PSScriptAnalyzer e a saída de UseBOMForUnicodeEncodedFile. O trabalho estará concluído quando os caracteres de hífen Unicode usados para prefixar parâmetros forem detectados com uma localização e um diagnóstico claros, incluindo os casos de PowerShell mostrados.
Escrita pelo modelo de indexação a partir do texto da issue.
Avaliação
- Stack de tecnologia
- powershell
- Domínio
- tooling
- Tipo de issue
- Funcionalidade
- Dificuldade
- 4/5
- Tempo estimado
- 3-5 dias
- Status de atividade
- Estagnada
- Clareza
- Razoavelmente clara
- Facilidade para iniciantes
- 35/100