Hi
I have only ever used awk and sed for basic requirements up until now.
I have had to break a log down for multiple purposes.
Using awk, sed and a date script. I am left with this:
(message id, time of msg attempt, message id, domain name, time of msg completion)
... (4 Replies)
I am tryin to figure out how to extract interested text from file
example.txt
blah blah
blah a: child1
blah a: child2
blah b: parent1
blah blah
blah ....
blah a: child21
blah a: child22
blah a: child23
blah b: parent2
this kinda text repeats .. number of children is... (6 Replies)
Hi there,
I have some text files in unix format that processed by a program in windows, and when I open them with less or vi in linux, a warn for opening binary file is prompted, and as shown in vi, between every two characters there was inserted a "^@". How can I fix this. Plus, there are over... (2 Replies)
Greetings. Iīm a biologist and I donīt have mucho knowledge on Unix/Linux, but I need to use Cygwin to change some documents from a GenBank format to a FASTA format. GenBank format goes somthing like this:
LOCUS NM_013964 2568 bp mRNA linear PRI 26-APR-2009... (2 Replies)
I need to know how can I remove all word after comma on each line.
Like:
jjkj,iiuiui,ijlkjkij,ookoo
kijljlj,jhhkj,ijijkijkj,oijkijj
kjkljlkj,kjkjlkjlkj,opok,okop
to
jjkj,
kijljlj,
... (5 Replies)
Hello again unix.com
How can I extract from a large file in format:
steve@aol.com steve hawkins Location of this member is bla bla bla
sun@hotmail.com Sun Ying This member is using browser bla bla bla
to another text in format:
steve@aol.com steve hawkins
sun@hotmail.com sun ying
... (5 Replies)
Hello Unix.com,
I have a text in format:
john
sara
lee
How can I make it:
john:john
john:john1
john:john12
john:john123
sara:sara
sara:sara12
sara:sara123 and so on (2 Replies)
Hello unix.com users,
I have a ip file (line-by-line). How can I delete the ips that keep repeating by mark XXX.XXX.XXX.* ... I want to erase only the lines that keep repeating more than 2 times.
Example:
1.2.3.1
1.2.3.2
1.2.3.3
I want to erase all ips blocks that are repeating by C... (1 Reply)
Hello again,
I have a problem manipulating a large text document and there is no way I could edit this document by hand.
Format is:
Address : XXXX N 37 Ave, Hollywood, FL, 33021
Phone: XXX3190XXX
Player: XXXXXX
Character: Jaramillo
DOB: June-14-1995
-----
Name: Alexandra
Ticket... (3 Replies)
Hello Forum ,
I need a help about text manupulation. I have a text file and I have to manipulate this file. Let's say source.txt
source.txt
UNB+UNOC:3+O0013000005MAN MN RVS:91+0098006688:92+190304:2313+F004169241'
UNH+8146848+DELJIT:D:96A:UN'
BGM+307:::JIS_SYNCRO_FIRM+2019030423234101+9'... (8 Replies)
Discussion started by: cemokam65
8 Replies
LEARN ABOUT LINUX
head
HEAD(1) User Commands HEAD(1)NAME
head - output the first part of files
SYNOPSIS
head [OPTION]... [FILE]...
DESCRIPTION
Print the first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With
no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=[-]K
print the first K bytes of each file; with the leading `-', print all but the last K bytes of each file
-n, --lines=[-]K
print the first K lines instead of the first 10; with the leading `-', print all but the last K lines of each file
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
--help display this help and exit
--version
output version information and exit
K may have a multiplier suffix: b 512, kB 1000, K 1024, MB 1000*1000, M 1024*1024, GB 1000*1000*1000, G 1024*1024*1024, and so on for T, P,
E, Z, Y.
AUTHOR
Written by David MacKenzie and Jim Meyering.
REPORTING BUGS
Report head 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 head translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2010 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 head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the
command
info coreutils 'head invocation'
should give you access to the complete manual.
GNU coreutils 8.5 February 2011 HEAD(1)