Tar Problem

UNIX for Beginners Q & A UNIX for Dummies Questions & Answers
1

I need to do a bakcup for some files, in the same tape but in diferente time....

at 9am i need the file /public/test1.txt then...

tar -cvf /dev/st0 /public/test1.txt

at 12pm i need the file /public/test2.txt the....

tar �? /public/test2.txt

in this point i have problem beacuse when i put

tar -tvf /dev/st0

i need the next output...

/test1.txt
/test2.txt

i dont know how can i do that ?

i really apreciate if somebody can help me...

Regards

2

tar -rvf /dev/st0 /public/test2.txt

will append that file to the existing archive.

3

My problem is the same....

!$ tar -cvf /dev/st0 test1.txt
test1.txt
!$ tar -rvf /dev/st0 test2.txt
test2.txt
!$ tar -tvf /dev/st0
only display test1.txt

And I need that display...

!$ tar -tvf /dev/st0
test1.txt
test2.txt

4

Use tar with the non-rewind option