asked on

Batch File: String manipulation

Hi there,

I want to remove the following caracters from a variable \ : | < > & ^ " ! /.

Thanks for fixing my script,
Rene

@ECHO OFF

SETLOCAL enabledelayedexpansion

SET Title=T\h:i|s< >i&s ^a t"e!s/t:
SET Var=\,:,|,<,>,&,^,",!,/

FOR %%A IN (%Var%) DO SET Title=!Title:%%A=!

ECHO %Title%
PAUSE
EXIT

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ASKER CERTIFIED SOLUTION

TommySzalapski

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TommySzalapski

Oops. Line 12 is not needed and is a stray debugging line.

ReneGe

ASKER

Thanks a million Tommy

Cheers,
Rene

Bill Prew

FWIW, this will also work:

SET Title=T\h:i^|s^< ^>i^&s ^^a t"e^!\s/t:
Set "Title=%Title:!=%"
Set "Title=%Title:|=%"
Set "Title=%Title:>=%"
Set "Title=%Title:<=%"
Set "Title=%Title:&=%"
Set "Title=%Title:\=%"
Set "Title=%Title::=%"
Set "Title=%Title:/=%"
Set "Title=%Title:"=%"
ECHO %Title%

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~bp

TommySzalapski

Of course.
The idea of using the FOR loop was that it was easier to add more characters later. The only problem was that the FOR loop cannot be used on some of the special characters.

ReneGe

ASKER

Thanks bp and Tommy :)

Cheers

Paul Tomasi

A slightly improved solution would have been:

@echo off

set title="T\h:i|s< >i&s ^a t"e!s/t:"
echo %title%

set title="%title:"=%"
set title=%title:>=%
set title=%title:<=%
set title=%title:|=%
set title=%title:^=%
set title=%title:&=%
set title=%title:\=%
set title=%title::=%
set title=%title:!=%
set title=%title:/=%
set title=%title:"=%
echo %title%

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But I forgot to post this comment yesterday!

As you can see, there is no need to delay expansion of variables, no need to a FOR-loop and no need to precede 'special' characters with a ceret (^) - all that is merely required is to wrap your whole character string in double-quotes.

The only other thing to note is the order in which to substitute out characters - especially the first few.