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I have generated a public key on box 'A' and placed it into the authorized_keys file on box 'B', so a password is not required and the file copies over successfully when the script is run. On to my problem...
I need to know what date the 'dump.23.gz' file was originally created when I'm viewing it after it's been copied to box 'A'. If I ls -l on box 'A' it only shows me the date it was created on box 'A' when it was copied.
What would I need to add to my script to append the backup's original creation date on box 'B' to the filename so that when it gets copied to box 'A' I know when the backup was created on box 'B'. I'm sure this is probably confusing. I've done lots of searching and can only find information on how to append the current date and time to a file name. I need to append it's original creation timestamp to the filename when it copies over. Any help is appreciated.
As already suggested on this thread, preserve the original dump file date with "scp -p". Then maybe use "stat" or something else to get file metadata. Then script something like I did to add that info back into your filename on box "A" (or on whatever box/filename you want the timestamp to be stored)
The problem with that is if you want/need to copy or access that file again, or even the original on box B via another cmd etc.
It really is best to amend the actual backup script to insert the date (& optionally time) in the backup filename. Then you never need to worry.
Think about what would happen if you back it up to external storage eg tape, DVD. You'd always have to remember (& be able) to find a cmd that does the -p feature. This may not always be the case...