02-26-2009
Grep usage
my file contains
xxabced.p dlksfad;
dflsdkjflkds flksdjflkdioewf
erfsdlkfjsdla;
dlkfjsd;lfkj msgdadf.p dslk kdjflksdjfl;asdfasdfjkljl
fdsf;jd ppuskldf.p
i want the output is
xxabced.p
msgdadf.p
ppuskldf.p
Can any one give the command?
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
I have one basic doubt, that using grep command frequently , will it have direct impact on the CPU load, pls clarify
for eg, if i run a non stop script containing while loop to grep some parameters, what will be the load in CPU..
thanks (3 Replies)
Discussion started by: vasikaran
3 Replies
2. UNIX for Advanced & Expert Users
grep can filter the text which want to display, but if I want it do not show the text specific in grep, how to do? thk a lot! (2 Replies)
Discussion started by: zp523444
2 Replies
3. UNIX for Dummies Questions & Answers
Hello,
I have a list in .txt format of email addresses and I need to extract just a specific domain ...
The list format is like:
"123456";"user@domain.com";"email";"john";"name"
"123457";"user2@domain.com";"email";"john";"name"
"123458";"user3@domain.com";"email";"john";"name"... (7 Replies)
Discussion started by: holyearth
7 Replies
4. UNIX for Dummies Questions & Answers
Hello,
I am trying to use grep to locate multiple uses of the same word in the same line. The word has to be 3+ char, upper or lower or both.
I tried this code
<code>
grep \({3,}\)*\1 i*
</code>
and i turned out zero results. Any ideas?
____________________________________________... (5 Replies)
Discussion started by: Omega1589
5 Replies
5. HP-UX
how can I find cpu usage memory usage swap usage and
I want to know CPU usage above X% and contiue Y times and memory usage above X % and contiue Y times
my final destination is monitor process
logical volume usage above X % and number of Logical voluage above
can I not to... (3 Replies)
Discussion started by: alert0919
3 Replies
6. Shell Programming and Scripting
Hi all,
I have a file resp_cde.ats which has values as:-
APPDIR=C:\Program Files\Cogny\cert
PUBSDIR=C:\Program Files\Cognoy\cert\documentation
TOURDIR=C:\Program Files\Cognoy\cert\tour
DATADIR=C:\Program Files\Cognoy\cert\data
Now I use the grep command in a shell script:-
x=`grep... (2 Replies)
Discussion started by: vikasrout
2 Replies
7. Shell Programming and Scripting
what is the grep command to get the second occurence of pattern in a file
or how to do with sed ? (1 Reply)
Discussion started by: santosh1234
1 Replies
8. AIX
How to monitor the IBM AIX server for I/O usage, memory usage, CPU usage, network usage, storage usage? (3 Replies)
Discussion started by: laknar
3 Replies
9. Homework & Coursework Questions
Use and complete the template provided. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
I have to find all the files where the function sequentialInsert is called and the directory is ~cs252/Assignments/commandsAsst/project
2.... (2 Replies)
Discussion started by: jennkat
2 Replies
10. UNIX for Dummies Questions & Answers
There is a file name list_filenames.dat, this has all the list of all files I need to encrypt, I did not understand what the following syntax is doing:
grep -s "^$1" list_filenames.dat, when I manually run this command it just returns all the lines, what is the usage of this ? can someone... (4 Replies)
Discussion started by: okkadu
4 Replies
LEARN ABOUT CENTOS
grub-probe
GRUB-PROBE(8) System Administration Utilities GRUB-PROBE(8)
NAME
grub-probe - probe device information for GRUB
SYNOPSIS
grub-probe [OPTION...] [OPTION]... [PATH|DEVICE]
DESCRIPTION
Probe device information for a given path (or device, if the -d option is given).
-0 separate items in output using ASCII NUL characters
-d, --device
given argument is a system device, not a path
-m, --device-map=FILE
use FILE as the device map [default=/boot/grub/device.map]
-t, --target=TARGET
print TARGET available targets: abstraction, arc_hints, baremetal_hints, bios_hints, compatibility_hint, cryptodisk_uuid, device,
disk, drive, efi_hints, fs, fs_label, fs_uuid, gpt_parttype, hints_string, ieee1275_hints, msdos_parttype, partmap, zero_check
[default=fs]
-v, --verbose
print verbose messages.
-?, --help
give this help list
--usage
give a short usage message
-V, --version
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
SEE ALSO
grub-fstest(1)
The full documentation for grub-probe is maintained as a Texinfo manual. If the info and grub-probe programs are properly installed at
your site, the command
info grub-probe
should give you access to the complete manual.
grub-probe (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-PROBE(8)