I have a file which is 5 million records. And each records has 412 fields has delimited by "|". So that makes each records to be 2923 bytes long. I wanted to extract specific records like top 100 or 2500 - 5000, 50001 - 10000 etc. from this file.
I tried using head command for top 100 records,... (1 Reply)
I am trying to cut the first 10 characters from a file only if the file has 'xyz' in field 185-188.
I tried this
cat filename | cut -c1-10
but this gives me all the records regardless of what is in field 185-188.
Is this doable ?
Thanks in advance for responses. (2 Replies)
Hi,
I am looking for a method to get column13 to column 50 data from the 1st line of a multiline reord. The records are stored in a large file and are separated by newline. sample format is
(data in red is to be extracted)
<header>
A001dfhskhfkdsh hajfhksdhfjh... (3 Replies)
Hi everyone.
I am a newbie to Linux stuff. I have this kind of problem which couldn't solve alone. I have a text file with records separated by empty lines like this:
ID: 20
Name: X
Age: 19
ID: 21
Name: Z
ID: 22
Email: xxx@yahoo.com
Name: Y
Age: 19
I want to grep records that... (4 Replies)
<Update>
I have the solution:
sed 's/\{3\}/&;&;---;4/'
The thread can be marked as solved!
</Update>
Hi There,
I'm working on a script processing some data from a website into cvs format. There is only one final problem left I can't find a solution.
I've processed my file... (0 Replies)
Hi,
I look for a awk one liner for below issue.
input file
ABC 1234 abc 12345
ABC 4567 678 XYZ
xyz ght 678
ABC 787 yyuu
ABC 789 7890 777
zxr hyip hyu
mno uii 678 776
ABC ty7 888
All lines should be started with ABC as first field. If a record has another value for 1st... (7 Replies)
Dear all, today I'm scratching my head with a simple (I believe) issue.
Working with date is quite simple, so if I Need to add some seconds to current time, I'll use:
date --date='+30 seconds' +"%Y-%m-%d %H:%M:%S"But, how to pass the value to add from a variable? I tried the following without... (2 Replies)
I have a file data_1.out which contains:
1|abc mail|mail subject|mail body
2|def mail|mail subject|def mail body
I am trying to read the variables from data_1.out and use them to print to 2 different files based on the id (first_column)
The problem is I am not able to read the file... (8 Replies)
Hi All,
I have the below text file from which I have to cut particular section starting from PTR_Security_Rpeorting.cpf to PTR_Security_Reporting_Env93_export.
Report Model............: "D:\Cognos_Publishing\tmp.a2R94KLQec"\PTR_Security_Reporting.cpf
Report Output Script....:... (4 Replies)
Hi ,
I have a requirement to read a file ( 5 fields , ~ delimited) and find the records which contain anything other than Alphabets, Numbers , comma ,space and dot . ie a-z and A-Z and 0-9 and . and " " and , in 2nd field. Once I do that i would want the result to have field1|<flag>
flag can... (2 Replies)
Discussion started by: ashwin3086
2 Replies
LEARN ABOUT DEBIAN
sum
SUM(1) User Commands SUM(1)NAME
sum - checksum and count the blocks in a file
SYNOPSIS
sum [OPTION]... [FILE]...
DESCRIPTION
Print checksum and block counts for each FILE.
-r use BSD sum algorithm, use 1K blocks
-s, --sysv
use System V sum algorithm, use 512 bytes blocks
--help display this help and exit
--version
output version information and exit
With no FILE, or when FILE is -, read standard input.
AUTHOR
Written by Kayvan Aghaiepour and David MacKenzie.
REPORTING BUGS
Report sum bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report sum translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for sum is maintained as a Texinfo manual. If the info and sum programs are properly installed at your site, the
command
info coreutils 'sum invocation'
should give you access to the complete manual.
GNU coreutils 8.12.197-032bb September 2011 SUM(1)