07-23-2008
What you're trying to do is either a homework problem, or else so terribly-defined as to defy any hope of getting a productive answer.
Let's examine the possibilities:
1) Your listed files are the extent of the data: Seriously? You're worried about performance when comparing four entries to four other entries?
2) Your listed files aren't the full extent of the data: You're worried about performance, but you're doing this as a shell script?
3) You're doing line-by-line comparisons: diff
4) You're looking for an entry in one file that doesn't exist in the other: sort | uniq | diff
etc., etc.
Please go into more detail about what you want and we'll be happy to assist, but your current post is doing neither you nor us any good. Lastly, a point of etiquette: "Request you to let me know how to do the below urgently.." is not useful. Unless you're paying for advice, you don't get to set the timetable.
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LEARN ABOUT DEBIAN
oggz-diff
oggz-diff(1) General Commands Manual oggz-diff(1)
NAME
oggz-diff -- Hexdump the packets of two Ogg files and output differences
SYNOPSIS
oggz-diff [options] [OGGZDUMP_OPTIONS] [DIFF_OPTIONS] file1.ogg file2.ogg
options: [--verbose ] [-v | --version ] [-h | --help ]
OGGZDUMP_OPTIONS: [-b | --binary ] [-x | --hexadecimal ] [-c content-type | --content-type content-type ] [-s serialno | --serialno
serialno ] [-O | --hide-offset ] [-S | --hide-serialno ] [-G | --hide-granulepos ] [-P | --hide-packetno ]
DIFF_OPTIONS: [-q | --brief ] [-C NUM | --context[=NUM] ] [-u | -U NUM | --unified[=NUM] ] [-e | --ed ] [--normal ] [--rcs ] [-y
| --side-by-side ] [-l | --paginate ]
Description
oggz-diff is a sh script which uses oggz-dump to generate hexadecimal packet dumps of each input file, then outputs the difference between
these dumps using diff.
Options
oggz-diff forwards a subset of options accepted by oggz-dump and diff. See oggz-dump(1) and diff(1) for more detail.
oggz-dump format options
-b, --binary
Generate a binary dump of each packet
-x, --hexadeciaml
Generate a hexadecimal dump of each packet
oggz-dump filtering options
-c content-type, --content-type content-type
Dump only the logical bitstreams for a specific content-type. Run oggz-known-codecs(1) for a full list of codecs known by the
installed version of oggz.
-s serialno, --serialno serialno
Dump only the logical bitstream with specified serialno.
-O, --hide-offset
Hide the byte offset field of the preamble for each packet dumped. This is particularly useful when comparing Ogg bitstreams that
differ only in page structure.
-S, --hide-serialno
Hide the serialno field of the preamble for each packet dumped. This is particularly useful when comparing Ogg bitstreams that
differ only in serialno assignment.
-G, --hide-granulepos
Hide the granulepos field of the preamble for each packet dumped.
-P, --hide-packetno
Hide the packetno field of the preamble for each packet dumped.
diff options
The -w (--ignore-all-space) option to diff is always implied.
-q, --brief
Output only whether files differ.
-C NUM, --context[=NUM]
Output NUM lines of copied context.
-u, -U NUM, --unified[=NUM]
Output NUM (default 3) lines of unified context.
-e, --ed Output an ed script.
--normal Output a normal diff.
--rcs Output an RCS format diff.
-y, --side-by-side
Output in two columns.
-l, --paginate
Pass the output through pr to paginate it.
Miscellaneous options
--verbose Display verbose messages.
-v, --version
Display version information and exit.
-h, --help
Display usage information and exit.
AUTHOR
Conrad Parker
COPYRIGHT
Copyright (C) 2003 CSIRO Australia
SEE ALSO
oggz-dump(1), diff(1), patch(1)
oggz-diff(1)