From: usenet@writer.com   
      
   On 11/5/2023 7:07 AM, Dan Purgert wrote:   
   > On 2023-11-05, bilsch01 wrote:   
   >> On 11/2/2023 3:39 AM, Paul wrote:   
   >>> [...]   
   >>> With gzip, you have to be careful of the syntax,   
   >>> so the original file is not deleted. That's what I spent   
   >>> most of my time playing with, is checking for deletion.   
   >>   
   >> Can you be more specific about what syntax will result in deletion of   
   >> original file?   
   >   
   > Any invocation on a file (i.e. NOT piped input) that does not include   
   > the '-k' switch.   
   >   
   >    gzip file.txt <-- will create file.txt.gz, and delete file.txt   
   >    gzip -k file.txt <-- will create file.txt.gz, and KEEP file.txt   
   >   
   >   
   > Piped input (e.g. 'command | gzip ') has no file to keep in the first   
   > place.   
   >   
   Thanks for explaining. I needed that.   
      
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