Hi
Fields in Files 1,2,3,4 are pipe"|" separated.
Say I want to grep
col1 from File1
col3 from File2
col4 from File3
and print to File4 in the following order:
col3|col1|col4
what is the best way of doing this?
Thanks (2 Replies)
I want to loop through files in a directory but omit the file with the latest date in my list of files. How would I accomplish this?
Thanks (2 Replies)
Hi all,
I want to copy a directory named Ec1 to another directory named Ec2, newly created. But Ec1 has a bunch of *.dat files and many many other kinds of files. Whle creating Ec2, I selectively want to omit the *.dat files since they are huge files of the order of 100 MBs and there are... (5 Replies)
Hi All I am writting a script that does a comparison between files in 2 diffectent directories.
To do this I need a command that will list out only the files in a give directory and omit any sub dorectories with that directory. But I am unable to find it.
Please Help.
I tried
ls... (5 Replies)
Hello All,
I am writting file comparison Utility and I have encountered such a senario where there are 2 files such as follows-
1#!/usr/local/bin/python
2 import gsd.scripts.admin.control.gsdPageEscalate
3.gsd.scripts.admin.control.gsdPageEscalate.main()
1 #!/usr/local/bin/python... (10 Replies)
Hello,
My apologies if this has been posted elsewhere, I have had a look at several threads but I am still confused how to use these functions. I have two files, each with 5 columns:
File A: (tab-delimited)
PDB CHAIN Start End Fragment
1avq A 171 176 awyfan
1avq A 172 177 wyfany
1c7k A 2 7... (3 Replies)
Hi,
I have 20 tab delimited text files that have a common column (column 1). The files are named GSM1.txt through GSM20.txt. Each file has 3 columns (2 other columns in addition to the first common column).
I want to write a script to join the files by the first common column so that in the... (5 Replies)
Hi,
I want to display the file names and the record count for the files in the 2nd column for the files created today.
i have written the below command which is listing the file names. but while piping the above command to the wc -l command
its not working for me.
ls -l... (5 Replies)
i made a script on my own. this is for the inventory to all of my AWS servers, and i run it to all of my servers to get the hostname, please look at file2. Then i need some data in file3 as well,. i need to combine them
#cat file1
192.10.1.41
server.age.com
######
192.10.0.40
ssh cant... (10 Replies)
Hi Gurus,
I need to remove duplicate line in file and update TRAILER (last line) record count. the file is comma delimited, field 2 is key to identify duplicated record.
I can use below command to remove duplicated. but don't know how to replace last line 2nd field to new count.
awk -F","... (11 Replies)
Discussion started by: green_k
11 Replies
LEARN ABOUT SUSE
uniq
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)