Can some body tell me how to print number of line from a particular file, with sed. ?
Input file format
AAAA
BBBB
CCCC
SDFFF
DDDD
DDDD
Command to print line 2 and 3 ?
BBBB
CCCC
And also please tell me how to assign column sum to variable.
I user the following command it... (1 Reply)
Hi,
I need help in printing out the dates with the largest value in front of it using awk.
436 28/Feb/2008
436 27/Feb/2008
436 20/Feb/2008
422 13/Feb/2008
420 23/Feb/2008
409 21/Feb/2008
402 26/Feb/2008
381 22/Feb/2008
374 24/Feb/2008
360... (7 Replies)
hi
My problem now is that if shipping options as -o length = 88
it says the following:
# lp -o length=88 -dhp4015 /etc/hosts
UX:lp: ERROR: The following options can't be handled:
-o length=
TO FIX: The printer(s) that otherwise qualify
for printing your request can't handle
one or more of... (2 Replies)
Hello all,
How can I find the lowest number every 10 lines? For example i have a list
name1
-0.1
name2
2
name3
3
name4
-3
name5
1
name6
2
name7
34
name8
34 (6 Replies)
Hi,
Anyone help me to print the lines from the flat file between 879th line number and 1424th line number.
The 879 and 1424 should be passed as input to the shell script(It should be dynamic).
Can any one give me using sed or awk?
I tried using read, and print the lines..Its taking too... (3 Replies)
Hi friends,
I have multiple files. For now, let's say I have two of the following style
cat 1.txt
cat 2.txt
output.txt
Please note that my files are not sorted and in the output file I need another extra column that says the file from which it is coming. I have more than 100... (19 Replies)
Hello guys,
I am a beginner in Unix :wall: and was wondering if anyone could help me.
I need a script that prints lines that only has Z-value lower than equals to (<=) 1.0e-02. Each column is seperated by a tab.
10009.fd Z-value = 3.62843e-03
10009.fd Z-value = 9.75489e-01... (3 Replies)
Hi
I have 1000 files labelled data1.txt through data1000.txt. I want to write a script that prints out the number of lines in each txt file and outputs it in the following format:
Column 1: number of data file (1 through 1000)
Column 2: number of lines in the text file
Thanks! (2 Replies)
Hi ,
My record file , need to print up to above (DATA array)(there may be n no lines ) , grep "myvalue" row now .....suggest me some options
--- DATA Array---
record type xxxxx
sequence type yyyyy
2
3---> data1
/dev/
--- DEVICE ---
MAXIMUM_People=
data_blocks=
MY_value=2
xyz
abc ... (0 Replies)
Hi,
I have attached an output file which is some kind of database file mapping. It is basically like an allocation mapping of a tablespace and its datafile/s.
The output is generated by the SQL script that I found from 401 Authorization Required
Excerpts of the file are as below:
... (2 Replies)
Discussion started by: newbie_01
2 Replies
LEARN ABOUT DEBIAN
sys::statistics::linux::memstats
Sys::Statistics::Linux::MemStats(3pm) User Contributed Perl Documentation Sys::Statistics::Linux::MemStats(3pm)NAME
Sys::Statistics::Linux::MemStats - Collect linux memory information.
SYNOPSIS
use Sys::Statistics::Linux::MemStats;
my $lxs = Sys::Statistics::Linux::MemStats->new;
my $stat = $lxs->get;
DESCRIPTION
Sys::Statistics::Linux::MemStats gathers memory statistics from the virtual /proc filesystem (procfs).
For more information read the documentation of the front-end module Sys::Statistics::Linux.
MEMORY INFORMATIONS
Generated by /proc/meminfo.
memused - Total size of used memory in kilobytes.
memfree - Total size of free memory in kilobytes.
memusedper - Total size of used memory in percent.
memtotal - Total size of memory in kilobytes.
buffers - Total size of buffers used from memory in kilobytes.
cached - Total size of cached memory in kilobytes.
realfree - Total size of memory is real free (memfree + buffers + cached).
realfreeper - Total size of memory is real free in percent of total memory.
swapused - Total size of swap space is used is kilobytes.
swapfree - Total size of swap space is free in kilobytes.
swapusedper - Total size of swap space is used in percent.
swaptotal - Total size of swap space in kilobytes.
swapcached - Memory that once was swapped out, is swapped back in but still also is in the swapfile.
active - Memory that has been used more recently and usually not reclaimed unless absolutely necessary.
inactive - Memory which has been less recently used and is more eligible to be reclaimed for other purposes.
On earlier kernels (2.4) Inact_dirty + Inact_laundry + Inact_clean.
The following statistics are only available by kernels from 2.6.
slab - Total size of memory in kilobytes that used by kernel for data structure allocations.
dirty - Total size of memory pages in kilobytes that waits to be written back to disk.
mapped - Total size of memory in kilbytes that is mapped by devices or libraries with mmap.
writeback - Total size of memory that was written back to disk.
committed_as - The amount of memory presently allocated on the system.
The following statistic is only available by kernels from 2.6.9.
commitlimit - Total amount of memory currently available to be allocated on the system.
METHODS
new()
Call "new()" to create a new object.
my $lxs = Sys::Statistics::Linux::MemStats->new;
It's possible to set the path to the proc filesystem.
Sys::Statistics::Linux::MemStats->new(
files => {
# This is the default
path => '/proc',
meminfo => 'meminfo',
}
);
get()
Call "get()" to get the statistics. "get()" returns the statistics as a hash reference.
my $stat = $lxs->get;
EXPORTS
No exports.
SEE ALSO proc(5)REPORTING BUGS
Please report all bugs to <jschulz.cpan(at)bloonix.de>.
AUTHOR
Jonny Schulz <jschulz.cpan(at)bloonix.de>.
COPYRIGHT
Copyright (c) 2006, 2007 by Jonny Schulz. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2012-03-09 Sys::Statistics::Linux::MemStats(3pm)