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Old 07-04-2007
laknar laknar is offline
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How to empty a file(already created)
What is the command to empty an already existing file.

please provide me.i used Touch cmd to empty the file.but it changing the time only.
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Old 07-04-2007
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aigles aigles is offline Forum Advisor  
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Code:
> file
or
Code:
: > file
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Old 07-04-2007
laknar laknar is offline
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i need to empty a file which is already existing.
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Old 07-04-2007
porter porter is offline Forum Advisor  
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Quote:
Originally Posted by laknar View Post
i need to empty a file which is already existing.
cat </dev/null >file
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Old 07-04-2007
aigles's Avatar
aigles aigles is offline Forum Advisor  
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Quote:
Originally Posted by laknar View Post
i need to empty a file which is already existing.
The command works also for an existing file :
Code:
$ ls -l my_file
-rw-r--r-- 1 Jean-Pierre Aucun 8943 Jul  4 18:55 my_file
$ > my_file
$ ls -l my_file
-rw-r--r-- 1 Jean-Pierre Aucun 0 Jul  4 18:56 my_file
$
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