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FAQ: Clarify Windows double quote usage #8823

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@jay jay commented May 9, 2022

  • Windows command prompt doesn't use literal quoting via single quotes.

  • Windows command prompt inner double quotes are escaped with a
    backslash.

  • Windows powershell does use single quotes but curl is not a powershell
    script so the arguments may not be passed on correctly.

  • Windows powershell inner double quotes seems can be passed to curl if
    the outer quotes are double quotes and an escape of backslash-backtick
    is used.

Command prompt example:

getargs -v -d "\"a\""

argv[0]: getargs
argv[1]: -v
argv[2]: -d
argv[3]: "a"

Ref: #8818

Reported-by: KotlinIsland@users.noreply.github.com

Closes #xxxx

- Windows command prompt doesn't use literal quoting via single quotes.

- Windows command prompt inner double quotes are escaped with a
  backslash.

- Windows powershell does use single quotes but curl is not a powershell
  script so the arguments may not be passed on correctly.

- Windows powershell inner double quotes seems can be passed to curl if
  the outer quotes are double quotes and an escape of backslash-backtick
  is used.

Command prompt example:

~~~
getargs -v -d "\"a\""

argv[0]: getargs
argv[1]: -v
argv[2]: -d
argv[3]: "a"
~~~

Ref: curl#8818

Reported-by: KotlinIsland@users.noreply.github.com

Closes #xxxx
For Windows powershell the arguments are not always passed on as expected
because curl is not a powershell script. You may or may not be able to use
single quotes. To escape inner double quotes seems to require a
backslash-backtick escape sequence and the outer quotes as double quotes.
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@danielgustafsson danielgustafsson May 11, 2022

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Does this warrant a small example, or is that overkill?

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@jay jay May 12, 2022

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I think it's overkill. It's already a stretch to explain that inner double quotes need escaping.

@jay jay closed this in a61eac6 May 14, 2022
@jay jay deleted the faq_win_dbl_quote branch May 14, 2022
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2 participants