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I realise that you can escape ampersands in batch files using the hat character
e.g.
echo a ^& b
a & b
But I'm using the command
for /f "tokens=*" %%A IN ('DIR /B /A-D /S .acl') DO ProcessACL.cmd "%%A"
which is finding all the files named '.acl' in the current directory, or a subdirectory of the current directory.
The problem is, I'm finding path names that include the '&' character (and no, they can't be renamed), and I need a way of automatically escaping the ampersands and calling the second batch file with the escaped path as the parameter.
rem ProcessACL.cmd
echo %1
570
Three Ways to Escape Spaces on WindowsBy enclosing the path (or parts of it) in double quotation marks ( ” ). By adding a caret character ( ^ ) before each space. (This only works in Command Prompt/CMD, and it doesn't seem to work with every command.) By adding a grave accent character ( ` ) before each space.
/b. Exits the current batch script instead of exiting Cmd.exe. If executed from outside a batch script, exits Cmd.exe. <exitcode> Specifies a numeric number.
Add a pause statement to a batch file If you're creating a batch file and want the MS-DOS window to remain open, add PAUSE to the end of your batch file. This prompts the user to Press any key. Until the user presses any key, the window remains open instead of closing automatically.
Represents a replaceable parameter. Use a single percent sign ( % ) to carry out the for command at the command prompt. Use double percent signs ( %% ) to carry out the for command within a batch file. Variables are case sensitive, and they must be represented with an alphabetical value such as %a, %b, or %c. ( <set> )
The problem is not the escaping, it seems to be in the second script.
If there is a line like
echo %1
Then it is expands and fails:
echo You & me.acl
Better to use delayed expansion like
setlocal EnableDelayedExpansion
set "var=%~1"
echo !var!
To avoid also problems with exclamation points ! in the parameter, the first set should be used in a DisabledDelayedExpansion context.
set "var=%~1"
setlocal EnableDelayedExpansion
echo !var!
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