Hi,
I am having a file containing entries like:
.iso.org.dod.internet.mgmt.mib-2.system.sysName.0
.iso.org.dod.internet.mgmt.mib-2.system.sysLocation.0
.iso.org.dod.internet.mgmt.mib-2.system.sysServices.0
.iso.org.dod.internet.mgmt.mib-2.system.sysORLastChange.0... (16 Replies)
Hi all!
I'm new in unix, and faced with some difficulties.
So I have text file f.e. "textfile" which contains rows like:
aaa
bbb
ccc
ddd
How could I format it, so the file looks like:
aaabbb
cccddd
Thanks in andvance (5 Replies)
Hi, any idea
input:
mr.smith stvenson: /address #/tel no/ personal data profile.
mrs.smith stevenson: /address #/tel no/occupation/ personal data profile.
output:
mr.smith stvenson
address #:
tel no:
personal data profile.
mrs.smith stevenson
address #:
tel no:
occupation:... (7 Replies)
Hello,
I have the following lines in a text file:
/var/spool/postfix/defer/1/15C86B0547C
/var/spool/postfix/defer/1/19AD1B054A2
/var/spool/postfix/defer/2/25A16B05493
/var/spool/postfix/defer/6/626FBB05496
/var/spool/postfix/defer/6/634D4B0544A
/var/spool/postfix/defer/6/6A8ACB05499... (2 Replies)
I have an input file as below.
1
Sanjib
Gayen
2
Chetan
Jadhav
3
Vijaykumar
Uddi
4
Pinaki
Sarkar
I want to generate an output file as below.
1-Sanjib Gayen
2-Chetan Jadhav (4 Replies)
A folder is having n number of files each file is having column names in it .Hence using below code .
for file in /xxx/sss/*
do
filename=$( basename $file )
sed -e '1,2d; $d; /^*$/d; /selected\.$/d' ${file} | \
sed -e '1s/^/INSERT INTO '${filename}' VALUES (/; $!s/$/,/; $s/$/);/'... (6 Replies)
Hi,
I am new to this forum; I need a help for my scripting problem.
I have made a script in Unix which is extracting a report but the issue is that report is not in a proper format.
Original Report Ex:
Field 1....................... a b c d e f g
Field 2............. @ID.@ID
Field... (4 Replies)
Discussion started by: tush
4 Replies
10. Post Here to Contact Site Administrators and Moderators
I know I've been away from the forums for past couple of months. But I am back now : )
I used to hit ctrl+B and ctrl+I after selecting the text to make text bold or italic respectively. (Pressing the keys would add and tags etc)
However, that is not working anymore. Did I miss something? (13 Replies)
Discussion started by: clx
13 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)