Hi,
I have a csv ( comma seperated value) file and I want to search for a particular string in each line of that file only if it occurs only once in the line.
That is same string may be present more than once in a line but I want it to be greped only when it occurs just once.
Please advice... (17 Replies)
I am using awk command for greping an value from the file
the file contains ..
file
----------------------------
content-----------
--------
String main = "81507066666";
------------------------------
i am greping the above value using awk command
NumberToReplace=`cat "file" | grep... (1 Reply)
Hi All,
My requisite is to search for the string "0108"(which is the year and has come in the wrong year format) in a particular column say 4th column in a tab delimited file and then replace it with 2008(the correct year format) in the same position where 0108 was found..The issue is the last... (15 Replies)
Hi All,
My requisite is to search for the string "0108"(which is the year and has come in the wrong year format) in a particular column say 4th column in a tab delimited file and then replace it with 2008(the correct year format) in the same position where 0108 was found in the same file..The... (27 Replies)
hi all!
i have a working that looks like this...
file1
MALE JOHN
MALE ANJO
FEMALE ANNE
MALE JAMES
FEMALE HONEY
FEMALE IZA
what i want to do is insert "M" when the first string is "MALE" and insert "F" when the first string is "FEMALE".
file1
M MALE ... (10 Replies)
Hello Folks..
I need your help ..
here the example of my problem..i know its easy..i don't all the commands in unix to do this especiallly sed...here my string..
dwc2_dfg_ajja_dfhhj_vw_dec2_dfgh_dwq
desired output is..
dwc2_dfg_ajja_dfhhj
it's a simple task with tail... (5 Replies)
Hi,
I need to replace and append a string in a text if grep is true. For eg:
grep ABC test.txt | grep -v '\.$' | awk {'print $4'} | sed "s/ ?
How do I replace all instances of "print $4" using sed with another sring? Eg of the string returned will be,
lx123
web222
xyz
Want to... (8 Replies)
Hi Folks,
I am searching something in multiple logs , actually an even ocuurs which get recorded in logs with a special word so rite now I am opening an individual log in vi and then searching it but total in the directory there are such 15 logs and it is very difficult to go one by one so... (1 Reply)
Need Assistance in shell programming... I have a huge file which has multiple stations and i wanted to search particular station and extract few lines from it and the rest is not needed
Bold letters are the stations . The whole file has multiple stations .
Below example i wanted to search... (4 Replies)
My server xml file has huge data part of which i'm sharing below.
I wish to add the below text held by variable "addthisline" after the closing braces i.e --> once the first </Connector> tag is found.
addthisline="I need to be inserted after the comments"
Thus my searchstring is... (3 Replies)
Discussion started by: mohtashims
3 Replies
LEARN ABOUT OPENSOLARIS
tac
TAC(1) User Commands TAC(1)NAME
tac - concatenate and print files in reverse
SYNOPSIS
tac [OPTION]... [FILE]...
DESCRIPTION
Write each FILE to standard output, last line first. With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-b, --before
attach the separator before instead of after
-r, --regex
interpret the separator as a regular expression
-s, --separator=STRING
use STRING as the separator instead of newline
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Jay Lepreau and David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software. You may redistribute copies of it under the terms of the GNU General Public License
<http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for tac is maintained as a Texinfo manual. If the info and tac programs are properly installed at your site, the
command
info tac
should give you access to the complete manual.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+--------------------+--------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+--------------------+
|Availability | SUNWgnu-coreutils |
+--------------------+--------------------+
|Interface Stability | Uncommitted |
+--------------------+--------------------+
NOTES
Source for GNU coreutils is available on http://opensolaris.org.
tac 6.7 December 2006 TAC(1)