Question

how to empty a file with DOS shell or Perl

Asked by: jl66

In Unix, empty a file with
touch file.txt
or
> file.txt
In DOS or Perl, is anything similar I can use? For example,
07/04/2009  06:20 PM             2,945 file.txt
Want it to be
07/04/2009  06:22 PM             0 file.txt

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Asked On
2009-07-04 at 22:17:09ID24544499
Tags

DOS SHell

,

Perl

Topics

MS DOS

,

Perl Programming Language

Participating Experts
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Answers

 

by: ghostdog74Posted on 2009-07-04 at 22:27:16ID: 24778910

perldoc -f truncate.

please read the Perl documentation, perldoc perlopentut (as well as others) for more info.

 

by: ozoPosted on 2009-07-04 at 22:34:48ID: 24778922

perl -e1 > file.txt

 

by: jfromanskiPosted on 2009-07-04 at 23:09:10ID: 24778983

in DOS

ECHO ON > file.txt

 

by: TintinPosted on 2009-07-04 at 23:12:25ID: 24778984

touch file.txt

does not empty a file.

By DOS, I'm assuming you mean Windows command shell.  You can do

TYPE >file.txt

it will give you an error, but it will empty the file.

 

by: QlemoPosted on 2009-07-05 at 01:28:34ID: 24779190

The traditional DOS way is
copy nul file.txt

No error, no contents.

20120131-EE-VQP-002

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