[NTLUG:Discuss] Script question

[Fred James]

I believe you could use "cut" to get what you need to build the new file 
name.

Rick Matthews wrote:

> Would someone please help me over another "hump"? I'm still learning...
> 
> I maintain the current version and 3 previous versions of the file
> "domains". The files are all in the same directory and the file name
> includes a unique date/time stamp and a version number. For example:
> 
> domains.2002-01-04_050500.0
> domains.2002-01-02_052515.1
> domains.2002-01-01_043025.2
> domains.2001-12-30_050500.3
> 
> '0' is the current version and '3' is the oldest.
> 
> When a new file is created I want to "age" the files and create an open
> slot for a new "0" file (3 goes away, 2 becomes 3, 1 becomes 2, and 0
> becomes 1). I don't know the date/time stamps, so this is what I tried
> in my script:
> 
> mv -f /archive/domains.*.2 /archive/domains.*.3
> mv -f /archive/domains.*.1 /archive/domains.*.2
> mv -f /archive/domains.*.0 /archive/domains.*.1
> 
> The asterisk apparently acts as a wildcard during the file selection
> part of the command, but it is acting as a literal in the renaming
> porting of the command (I end up with files named domains.*.3).
> 
> How can I rewrite this to accomplish the task?
> 
> Thanks in advance!
> 
> Rick Matthews
> 
> 
> _______________________________________________
> http://www.ntlug.org/mailman/listinfo/discuss
> 
> 
> 


-- 
...make every program a filter...