Get Compressed byte offset from .gz file

Shell Programming and Scripting
1

Hi ,

I have a .gz file whose contents look like below.
data1^filename1
data2^filename2.
..
.
.

Is it possible to find out the byte offset of each record from the .gz file.

Like in an uncompressed file.
grep -nb "Filename" give the byte offset of the record in this case.

Thanks,
Chetan.C

2

This leaves the compressed file as is:

gzcat x.dat.gz|grep -nb "filename"
3

Thanks Gary.
But what i want to know is the compressed byte offset.

Example:
Record1:
Compressed byte offset:0
Record2:
Compressed byte offset=Compressed byte length(Record1).

Something like this.Is this possible.?

Thanks,
Chetan.C

4

Oh, sorry, no idea. I am interested to know why you want to know this though.

5

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