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I'm trying to get rid of all paths that include the current directory, so I did

my_command | sed "s/%CD%//ig"

in the command prompt, but it didn't work -- everything came out just like before.

How would I make it work?

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up vote 5 down vote accepted

The problem with your command is that the backslashes are treated as escape characters, not literal backslashes.

You can overcome this by storing the escaped directory name in an auxiliary variable %dir%:

for /f "tokens=*" %a in ('echo %cd%^| sed "s/\\/\\\\/g"') do set dir=%a

(If used in a batch file, replace every %a by %%a.)

You can use sed as usual now:

my_command | sed "s/%dir%//ig"
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D'oh. Use sed to escape its own arguments. Why didn't I think of that! :-) – Mehrdad Jun 29 '12 at 20:21

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