09-30-2009
Thanks all..It was really quick...
I found this one good, echo ${ORACLE_HOME%%/$ORACLE_SID*}
Can you please explain what it does. Is it removing or cut the $ORACLE_SID from $ORACLE_HOME
Regards,
SReejit
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I need to extract a file,which contains the path to a new path.
sample tar file
tar -tfv class.tar | grep client
-rw------- 0/1 99 Jan 22 12:46 2004 /usr/openv/netbackup/db/class/mariner/clients
-rw------- 0/1 102 Sep 25 11:33 2007... (1 Reply)
Discussion started by: jouuu
1 Replies
2. Shell Programming and Scripting
Hi:
I have a requirement as below:
I have some standard Unix commands modified and kept them in a directory say /usr/clsh/bin. For example I have a script named "ls" kept here which is modified version of "ls" (say it always gives long listing i.e. ls -l).
When any user logs on and types... (2 Replies)
Discussion started by: ramesh_samane
2 Replies
3. Shell Programming and Scripting
Hi,
Could anyone help me in writing a single line code by either using (sed, awk, perl or whatever) to extract a specific path from the PATH environment variable?
for eg: suppose the PATH is being set as follows
PATH=/usr/bin/:/usr/local/bin:/bin:/usr/sbin:/usr/bin/java:/usr/bin/perl3.4
... (2 Replies)
Discussion started by: royalibrahim
2 Replies
4. UNIX for Dummies Questions & Answers
I make this script that uses "strace" to trace programs. The script looks for files that the program opens. It looks like this
open("/lib/libtermcap.so.2", O_RDONLY) = 3
open("/dev/tty", O_RDWR|O_NONBLOCK|O_LARGEFILE) = 3
I want to extract the path without the quotes, preferably using grep and... (4 Replies)
Discussion started by: Samuel Gordon
4 Replies
5. Shell Programming and Scripting
/Path/snowbird9/nrfCompMgrRave1230100920.log.gz:09/20/2010 06:14:51 ERROR Error Message.
/Path/snowbird6/nrfCompMgrRave1220100920.log.gz:09/20/2010 06:14:51 ERROR Error Message.
/Path/snowbird14/nrfCompMgrRave920100920.log.gz:09/20/2010 06:14:51 ERROR Error Message.... (0 Replies)
Discussion started by: Shirisha
0 Replies
6. Shell Programming and Scripting
Hi All,
Can you please provide some pointers to move files from Base path to multiple paths in efficient way.Folder Structure is already created.
/Path/AdminUser/User1/1111/Reports/aaa.txt to /Path/User1/1111/Reports/aaa.txt
/Path/AdminUser/User1/2222/Reports/bbb.txt to... (6 Replies)
Discussion started by: karthikgv417
6 Replies
7. Shell Programming and Scripting
Hi experts,
I have multiple file names ending with .jsp located in $SOME_DIR, $SOME_DIR/f1/,$SOME_DIR/f2/test,$SOME_DIR/f3/fa
and there are equivalent class files in $SOME_DIR/WEB-INF/classes/_pages,$SOME_DIR/WEB-INF/classes/_pages/_f1,... (0 Replies)
Discussion started by: oraclermanpt
0 Replies
8. UNIX for Advanced & Expert Users
Currently I am using this laborious command
lvdisplay | awk '/LV Path/ {p=$3} /LV Name/ {n=$3} /VG Name/ {v=$3} /Block device/ {d=$3; sub(".*:", "/dev/dm-", d); printf "%s\t%s\t%s\n", p, "/dev/mapper/"v"-"n, d}'
Would like to know if there is any shorter method to get this mapping of... (2 Replies)
Discussion started by: royalibrahim
2 Replies
9. UNIX for Beginners Questions & Answers
Hello,
I am creating a file with all the source folders included in my git branch, when i grep for the used source, i found source included as relative path instead of absolute path, how can convert relative path to absolute path without changing directory to that folder and using readlink -f ? ... (4 Replies)
Discussion started by: Sekhar419
4 Replies
10. Programming
i have make file which i try to make them generic
but it keeps to compline it missing include directory
this is the makefile :
CXX=g++
CPPFAGS= -Wall -O0 -g -std=c++14
INCLUDES = -I/home/vagrant/libuv/include -Isrc
LIBS_DIRS = -L/home/vagrant/libuv/build
LDFLAGS=... (7 Replies)
Discussion started by: umen
7 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)