Hello,
I need to insert a line (like a header) as the first line of a very huge file (about 3 ml rows). I am able to do it with sed, but redirecting the output and creating a new file takes quite some time. I was wondering if there was a more efficient way of doing it?
Any help would be... (3 Replies)
folks,
In my working directory, there a multiple large files which only contain one line in the file. The line is too long to use "grep", so any help?
For example, if I want to find if these files contain a string like "93849", what command I should use?
Also, there is oder_id number... (1 Reply)
Hi,
I have a huge file of bibliographic records in some standard format.I need a script to do some repeatable task as follows:
1. Needs to create folders as the strings starts with "item_*" from the input file
2. Create a file "contents" in each folders having "license.txt(tab... (5 Replies)
hi all,
In an mp3 file , data is arranged in sequence of header and data ,how to retrieve data between two headers. Is the data between two headers fixed? because as per theory it says 1152 samples will be there , but dont knw how many bits one sample correspond to?
it would help if any c... (2 Replies)
I’m new to Linux script and not sure how to filter out bad records from huge flat files (over 1.3GB each). The delimiter is a semi colon “;”
Here is the sample of 5 lines in the file:
Name1;phone1;address1;city1;state1;zipcode1
Name2;phone2;address2;city2;state2;zipcode2;comment... (7 Replies)
Hi, Great minds, I have some files, in fact header files, of CTD profiler, I tried a lot C programming, could not get output as I was expected, because my programming skills are very poor, finally, joined unix forum with the hope that, I may get what I want, from you people,
Here I have attached... (17 Replies)
I'm trying to take mrt output and put it at the top of a file along with the date and time. I was able to do it at the bottom of the file with the following
printf "********** $(date) **********\n\n" >> $OUTPUT_PATH/$HOSTNAME
mtr -r -w -c 10 $HOSTADDRESS >> $OUTPUT_PATH/$HOSTNAME
printf... (2 Replies)
Optimization shell/awk script to aggregate (sum) for all the columns of Huge data file
File delimiter "|"
Need to have Sum of all columns, with column number : aggregation (summation) for each column
File not having the header
Like below -
Column 1 "Total
Column 2 : "Total
...
...... (2 Replies)
I have 2 large file (.dat) around 70 g, 12 columns but the data not sorted in both the files.. need your inputs in giving the best optimized method/command to achieve this and redirect the not macthing lines to the thrid file ( diff.dat)
File 1 - 15 columns
File 2 - 15 columns
Data is... (9 Replies)
Discussion started by: kartikirans
9 Replies
LEARN ABOUT SUSE
xentop
xentop(1) General Commands Manual xentop(1)NAME
xentop - displays real-time information about a Xen system and domains
SYNOPSIS
xentop [-h] [-V] [-dSECONDS] [-n] [-r] [-v] [-b] [-iITERATIONS]
DESCRIPTION
xentop displays information about the Xen system and domains, in a continually-updating manner. Command-line options and interactive com-
mands can change the detail and format of the information displayed by xentop.
OPTIONS -h, --help
display help and exit
-V, --version
output version information and exit
-d, --delay=SECONDS
seconds between updates (default 3)
-n, --networks
output network information
-x, --vbds
output vbd block device data
-r, --repeat-header
repeat table header before each domain
-v, --vcpus
output VCPU data
-b, --batch
output data in batch mode (to stdout)
-i, --iterations=ITERATIONS
maximum number of iterations xentop should produce before ending
INTERACTIVE COMMANDS
All interactive commands are case-insensitive.
D set delay between updates
N toggle display of network information
Q, Esc quit
R toggle table header before each domain
S cycle sort order
V toggle display of VCPU information
Arrows scroll domain display
AUTHORS
Written by Judy Fischbach, David Hendricks, and Josh Triplett
REPORTING BUGS
Report bugs to <xen-tools@lists.xensource.com>.
COPYRIGHT
Copyright (C) 2005 International Business Machines Corp
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
August 2005 xentop(1)