I have a file:
Fred
Fred
Fred
Jim
Fred
Jim
Jim
If sort is executed on the listed file, shouldn't the output be?:
Fred
Fred
Fred
Fred
Jim
Jim
Jim (3 Replies)
Using the last, uniq, sort and cut commands, determine how many times the different users have logged in.
I know how to use the last command and cut command...
i came up with last | cut -f1 -d" " | uniq
i dont know if this is right, can someone please help me... thanks (1 Reply)
Does anyone have a quick and dirty way of performing a sort and uniq in perl?
How an array with data like:
this is bkupArr BOLADVICE_VN
this is bkupArr MLT6800PROD2A
this is bkupArr MLT6800PROD2A
this is bkupArr BOLADVICE_VN_7YR
this is bkupArr MLT6800PROD2A
I want to sort it... (4 Replies)
Input File is :
-------------
25060008,0040,03,
25136437,0030,03,
25069457,0040,02,
80303438,0014,03,1st
80321837,0009,03,1st
80321977,0009,03,1st
80341345,0007,03,1st
84176527,0047,03,1st
84176527,0047,03,
20000735,0018,03,1st
25060008,0040,03,
I am using the following in the script... (5 Replies)
Hello,
I have a large data file:
1234 8888 bbb
2745 8888 bbb
9489 8888 bbb
1234 8888 aaa
4838 8888 aaa
3977 8888 aaa
I need to remove duplicate lines (where the first column is the duplicate). I have been using:
sort file.txt | uniq -w4 > newfile.txt
However, it seems to keep the... (11 Replies)
Hi All,
I have a text file with the format shown below. Some of the records are duplicated with the only exception being date (Field 15). I want to compare all duplicate records using subscriber number (field 7) and keep only those records with greater date.
... (1 Reply)
I have a flatfile A.txt
2012/12/04 14:06:07 |trees|Boards 2, 3|denver|mekong|mekong12
2012/12/04 17:07:22 |trees|Boards 2, 3|denver|mekong|mekong12
2012/12/04 17:13:27 |trees|Boards 2, 3|denver|mekong|mekong12
2012/12/04 14:07:39 |rain|Boards 1|tampa|merced|merced11
How do i sort and get... (3 Replies)
Hi again,
I have files with the following contents
datetime,ip1,port1,ip2,port2,number
How would I find out how many times ip1 field shows up a particular file? Then how would I find out how many time ip1 and port 2 shows up?
Please mind the file may contain 100k lines. (8 Replies)
Hello all,
Need to pick your brains,
I have a 10Gb file where each row is a name, I am expecting about 50 names in total. So there are a lot of repetitions in clusters.
So I want to do a
sort -u file
Will it be considerably faster or slower to use a uniq before piping it to sort... (3 Replies)
Hi All,
Below the actual file which i like to sort and Uniq -u
/opt/oracle/work/Antony/Shell_Script> cat emp.1st
2233|a.k. shukula |g.m. |sales |12/12/52 |6000
1006|chanchal singhvi |director |sales |03/09/38 |6700... (8 Replies)
Discussion started by: Antony Ankrose
8 Replies
LEARN ABOUT DEBIAN
yexpand
YEXPAND(1) General Commands Manual YEXPAND(1)NAME
yexpand - tool to expand environment variables in Nypatchy cradles
SYNOPSIS
yexpand inputfile [ outputfile ]
DESCRIPTION
yexpand is a very simple script to expand environment variables in a text file to their current values in the shell environment. It was
written to be used with nypatchy cradles. It is recommended you not try to use it for any other purposes (note BUGS below).
USAGE
yexpand takes inputfile as input, replaces all instances of shell variables (in the form $VARIABLE or ${VARIABLE}) with their current val-
ues in the environment, and saves the result to outputfile. Undefined variables are replaced with the empty string. If outputfile is not
given, the result is instead saved to the current directory as a file of the same name as inputfile. Thus an input file in the current
directory will be overwritten.
BUGS
This script is very simple-minded. Since it basically just echos its input file as a here-doc, it will attempt to perform all types of
shell substitution (command substitution, etc.) as well as variable substitution. Hence it is likely to fail on anything except the very
simplest text files.
Additionally, this script creates a temporary file. The file is created in the current directory, so there should not be security implica-
tions. However, any existing file named file.yexp (where file is the basename of inputfile) in the current directory will be overwritten
and then deleted.
SEE ALSO fcasplit(1), nycheck(1), nydiff(1), nyindex(1), nylist(1), nymerge(1), nypatchy(1), nyshell(1), nysynopt(1), nytidy(1)
The reference manual for the Nypatchy suite of programs is available in compressed PostScript format at the following URL:
http://wwwasdoc.web.cern.ch/wwwasdoc/psdir/p5refman.ps.gz
AUTHOR
This manual page was written by Kevin McCarty <kmccarty@debian.org> for the Debian GNU/Linux system (but may be used by others). It is
licensed under the GNU General Public License, version 2 or later (at your choice).
COPYRIGHT
Copyright (C) Kevin B. McCarty, 2008.
Mar 12, 2008 YEXPAND(1)