02-02-2010
hey hi
You can try uniq filename which removes duplicate lines /words from the file.
Alternately you can try
# uniq filename >> new_filename
~Ultimatix
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
hi! I am a newbee. I would really appreciate if you can answer the following question:
I have a huge data file, 214MB with several coloumns. I need to delete the very last line of the file. Everything I know takes a lot of time to do it ( because I have to open the file in an editor or run a... (3 Replies)
Discussion started by: Garuda
3 Replies
2. Shell Programming and Scripting
Hi,
I am in a situation wherein am getting file file certailn values
suppose
1u56979hhghhklklkkkjkjkjk 0 0 0
The file will have values like above only.
I need to add another field of NULL value(of length 9) at the end of first column i.e.
It should like this after editing:... (4 Replies)
Discussion started by: rahul303
4 Replies
3. Linux
I have created a file with vi -x (file name) this is encrypted file when i again open this file it ask me to enter a password before editing it.Can i remove this password but i don't want to delete a file how to do this.
Thanks (0 Replies)
Discussion started by: ambavaram
0 Replies
4. Shell Programming and Scripting
Hi all,
I have a file with following contents
# rad124
# radkus
# raddebug
# radtrace
I could like to remove the # and space present before the key word "rad".
Any ways to do this using "subsitution method(:%s/old/new/g)" will be hepful. (1 Reply)
Discussion started by: ramkriz
1 Replies
5. Shell Programming and Scripting
Hi,
I am having a file which is fix length and comma seperated. And I want to replace values for one column.
I am reading file line by line in variable $LINE and then replacing the string.
Problem is after changing value and writing new file temp5.txt, formating of original file is getting... (8 Replies)
Discussion started by: Mruda
8 Replies
6. Shell Programming and Scripting
I have a text file that has data like:
Data "12345#22"
Fred
ID 12345
Age 45
Wilma
Dino
Data "123#22"
Tarzan
ID 123
Age 33
Jane
I need to figure out a way of adding 1,000,000 to the specific lines (always same format) in the file, so it becomes:
Data "1012345#22"
Fred
ID... (16 Replies)
Discussion started by: say170
16 Replies
7. Shell Programming and Scripting
I have a file which has 10 million records in it. When am trying to edit the file with vi, the following error occurs:
~
~
~
~
~
~
~
~
"file1" Value too large for defined data type
Is there any way that I can edit this file without using vi? Any help would be really appreciated.... (8 Replies)
Discussion started by: bobby1015
8 Replies
8. UNIX for Dummies Questions & Answers
Hi All,
I've to edit the below file in the
Current File:
XXX
Rows found with null for one or more non-nullable columns in the source table
SELECT
COUNT(*)
FROM
(
SELECT
1 as one
FROM
datum
WHERE:wall:
datum.ID IS NULL
)
a (1 Reply)
Discussion started by: udayakumar
1 Replies
9. Shell Programming and Scripting
Never mind!. Thanks (1 Reply)
Discussion started by: smarones
1 Replies
10. Shell Programming and Scripting
Dear Guru's
I'm using Putty and want to edit a file. I know we generally use vi editor to do it. As I'm not good in using vi editor, I want to convert the vi into something like text pad. Is there any option in Putty to do the same ? Thanks for your response.
Srini (6 Replies)
Discussion started by: thummi9090
6 Replies
UNIQ(1) User Commands UNIQ(1)
NAME
uniq - report or omit repeated lines
SYNOPSIS
uniq [OPTION]... [INPUT [OUTPUT]]
DESCRIPTION
Discard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).
Mandatory arguments to long options are mandatory for short options too.
-c, --count
prefix lines by the number of occurrences
-d, --repeated
only print duplicate lines
-D, --all-repeated[=delimit-method]
print all duplicate lines delimit-method={none(default),prepend,separate} Delimiting is done with blank lines.
-f, --skip-fields=N
avoid comparing the first N fields
-i, --ignore-case
ignore differences in case when comparing
-s, --skip-chars=N
avoid comparing the first N characters
-u, --unique
only print unique lines
-z, --zero-terminated
end lines with 0 byte, not newline
-w, --check-chars=N
compare no more than N characters in lines
--help display this help and exit
--version
output version information and exit
A field is a run of blanks (usually spaces and/or TABs), then non-blank characters. Fields are skipped before chars.
Note: 'uniq' does not detect repeated lines unless they are adjacent. You may want to sort the input first, or use `sort -u' without
`uniq'.
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
REPORTING BUGS
Report uniq 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/>
COPYRIGHT
Copyright (C) 2009 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 uniq is maintained as a Texinfo manual. If the info and uniq programs are properly installed at your site, the
command
info coreutils 'uniq invocation'
should give you access to the complete manual.
GNU coreutils 7.1 July 2010 UNIQ(1)