批处理 - 在文件名以20％空格替换为卷曲 [英] BATCH - Replacing spaces in filename with %20 for curl

问题描述

  FOR / F %% N的（new.txt）做，如果不存在＃％电流％\\ %% N（
  平-N 1 127.0.0.1＆GT; NUL
  SETLOCAL EnableDelayedExpansion
  设定N = 1N：= %% 20！
  curl.exe --globoff -o％电流％\\ %% Nhttp://someserver.com/%%n
  平-n 3 127.0.0.1＆GT; NUL
）
 

我要取代所有空格%% n和递它卷曲，形成一个网址下载new.txt指定的文件之前。我试着包装在双引号和其他各种解决方案来代替空格，但没有似乎有任何效果。卷曲仍犯规形成正确的URL和之前削减空间的文件名。

解决方案

  FOR / Fdelims =%% N的（new.txt）做，如果不存在＃％电流％ \\ %% N（
    设置N = %% N
    SETLOCAL EnableDelayedExpansion
    设置N = N：！= %% 20
    curl.exe --globoff -o％电流％\\ %% N--urlhttp://someserver.com/!n！
    ENDLOCAL
）
 

您不能做字符串替换在为命令替换参数/变量，就必须首先将其复制到一个单独的变量用它来操作。

此外，通过默认情况下，命令将分割/标记化使用空格和制表符分隔符的readed线，也就是被削减的第一个空间，为您的文件名的原因。放置在为命令delims =选项禁用此行为。

for /f %%n IN (new.txt) DO IF NOT EXIST "%current%\%%n" (
  ping -n 1 127.0.0.1 >nul
  setLocal EnableDelayedExpansion
  set n=1n: =%%20!
  curl.exe --globoff -o "%current%\%%n" ""http://someserver.com/%%n ""
  ping -n 3 127.0.0.1 >nul
)

I want to replace all spaces in %%n before handing it to curl to form a url to download the file specified in new.txt. I tried wrapping in double quotes and various other solutions to replace spaces, but none seem to have any effect. curl still doesnt form a proper url and cuts filenames before spaces.

解决方案

for /f "delims=" %%n IN (new.txt) DO IF NOT EXIST "%current%\%%n" (
    set "n=%%n"
    setLocal EnableDelayedExpansion
    set "n=!n: =%%20!"
    curl.exe --globoff -o "%current%\%%n" --url "http://someserver.com/!n!"
    endlocal
)

You can not do string replacement in a for command replaceable parameter/variable, it is necessary to first copy it into a separate variable to operate with it

Also, by default, for command will split/tokenize the readed lines using spaces and tabs as delimiters, that is the reason for your file names being cut on the first space. Placing the "delims=" option in the for command disables this behaviour.

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