02-06-2012
Hi ahamad ,
thnaks for your reply.
But how do i write answer in third file.?
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi there,
I have written a script called "compare" (see below) to make comparison between 2 files namely test_put.log and Output_A0.log
#!/bin/ksh
while read file
do
found="no"
while read line
do
echo $line | grep $file > /dev/null
if
then
echo $file found
found="yes"
break
fi... (3 Replies)
Discussion started by: lweegp
3 Replies
2. UNIX for Dummies Questions & Answers
I have 2 files. The first file contains user names in one column. The second, and considerably longer, file contains user names in the first column and corresponding full names in the second column. Currently these are in the .xls format. I'd like to be able to compare file1 with file2 and extract... (2 Replies)
Discussion started by: raptrmastr
2 Replies
3. Shell Programming and Scripting
Hiiiii friends
I have 2 files which contains huge data & few lines of it are as shown below
File1: b.dat(which has 21 columns)
SSR 1976 8 12 13 10 44.00 39.0700 70.7800 7.0 0 0.00 0 2.78 0.00 0.00 0 0.00 2.78 0 NULL
ISC 1976 8 12 22 32 37.39 36.2942 70.7338... (6 Replies)
Discussion started by: reva
6 Replies
4. Shell Programming and Scripting
I have a control file which tells me which are the fields in the files I need to compare and based on the values I need to print the exact value if key =Y and output is Y , or if output is Y/N then I need to print only Y if it matches or N if it does not match and if output =N , then skip the feild... (7 Replies)
Discussion started by: newtoawk
7 Replies
5. Shell Programming and Scripting
I have 2 zip files which have about 20 million records in each file. file 2 will have additional records than file 1. I want to compare the records in both the files and capture the new records from file 2 into another file file3. Please help me with a command/script which provides me the desired... (8 Replies)
Discussion started by: koneru
8 Replies
6. Shell Programming and Scripting
hi
my problem is little complicated one. i have 2 files which appear like this
file 1
abbsss:aa:22:34:as akl abc 1234
mkilll:as:ss:23:qs asc abc 0987
mlopii:cd:wq:24:as asd abc 7866
file2
lkoaa:as:24:32:sa alk abc 3245
lkmo:as:34:43:qs qsa abc 0987
kloia:ds:45:56:sa acq abc 7805
i... (5 Replies)
Discussion started by: anurupa777
5 Replies
7. Shell Programming and Scripting
Hi,
I need to compare the two floating or integer numbers which present in two different files,
Ex:
File 1:
col1 col2 col3
11 ssa 13.60
12 ssb 11.00
13 ssc 754.00
File 2:col1 col2 col3
11 sa 12.75
12 sb 11.00
13 sc 763.00
here i have to compare 3 column if 1st column match,... (8 Replies)
Discussion started by: Shenbaga.d
8 Replies
8. Shell Programming and Scripting
Hi Guys,
I wanted to compare a delimited file and positional file, for a particular key files and if it matches then append the positional file with some data.
Example:
Delimited File
--------------
Byer;Amy;NONE1;A5218257;E5218257
Byer;Amy;NONE1;A5218260;E5218260
Positional File... (3 Replies)
Discussion started by: Ajay Venkatesan
3 Replies
9. UNIX for Beginners Questions & Answers
Hello there.
I am trying to compare two files.
File1
Austria Mobile 1
United Kingdom Mobile 1
...
File2
Austria Mobile Vien 2
Austria Mobile Ostr 0
United Kingdom Mobile Dev 0.7
United Kingdom Mobile OST 1.5
What i want to do is to compare both files and... (12 Replies)
Discussion started by: dragonfly85
12 Replies
10. Shell Programming and Scripting
file2 content
f1file2 content
f1,1,2,3,4,5
f1,2,4,6,8,10
f10,1,2,3,4,5
f10,2,4,6,8,10
f5,1,2,3,4,5
f5,2,4,6,8,10awk 'FNR==NR{a;next}; !($1 in a)' file2 file1output
f10,1,2,3,4,5
f10,2,4,6,8,10
f5,1,2,3,4,5
f5,2,4,6,8,10awk 'FNR==NR{a;next}; ($1 in a)' file2 file1output
nothing... (4 Replies)
Discussion started by: gksenthilkumar
4 Replies
LEARN ABOUT DEBIAN
bup-margin
bup-margin(1) General Commands Manual bup-margin(1)
NAME
bup-margin - figure out your deduplication safety margin
SYNOPSIS
bup margin [options...]
DESCRIPTION
bup margin iterates through all objects in your bup repository, calculating the largest number of prefix bits shared between any two
entries. This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids.
For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45. That means a 46-bit
hash would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by
its first 46 bits.
The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects. Since SHA-1 hashes have 160 bits,
that leaves 115 bits of margin. Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits
with far fewer objects.
If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see if
you're getting dangerously close to 160 bits.
OPTIONS
--predict
Guess the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer
from the guess. This is potentially useful for tuning an interpolation search algorithm.
--ignore-midx
don't use .midx files, use only .idx files. This is only really useful when used with --predict.
EXAMPLE
$ bup margin
Reading indexes: 100.00% (1612581/1612581), done.
40
40 matching prefix bits
1.94 bits per doubling
120 bits (61.86 doublings) remaining
4.19338e+18 times larger is possible
Everyone on earth could have 625878182 data sets
like yours, all in one repository, and we would
expect 1 object collision.
$ bup margin --predict
PackIdxList: using 1 index.
Reading indexes: 100.00% (1612581/1612581), done.
915 of 1612581 (0.057%)
SEE ALSO
bup-midx(1), bup-save(1)
BUP
Part of the bup(1) suite.
AUTHORS
Avery Pennarun <apenwarr@gmail.com>.
Bup unknown- bup-margin(1)