SLUG Mailing List Archives
Re: [SLUG] How do I empty a file without editing it?
- To: slug@xxxxxxxxxxx
- Subject: Re: [SLUG] How do I empty a file without editing it?
- From: Tony Green <tgreen@xxxxxxxxxxxxxx>
- Date: Thu Aug 9 18:07:01 2001
* This one time, at band camp, Jobst Schmalenbach said:
> How do you empty a file without really editing it?
> I remember from a while back its possible and I
> think you use "ed" and put a ^Z right at the start?
> I want to be able to keep the same file permissions,
> including the owner, so I cant write a script
> delete it and 'touch' it as this opens it with the
> current mask and user.
cat /dev/null > $file
GnuPG Key : 1024D/B5657C8B
Key fingerprint = 9ED8 59CC C161 B857 462E 51E6 7DFB 465B B565 7C8B
Imagine working in a secure environment and finding the string
_NSAKEY in the OS binaries without a good explanation
-Alan Cox 04/05/2001