Hi
I am trying to search a firewall syslog space delimeted file for all of the different tcp and udp destination ports.
I know that grep will find lines that contain specific text. And I have tried using the the the cut command to cut out of the file certain colums. However the test I am... (6 Replies)
I have this space delimited large text file with more than 1,000,000+ columns and about 100 rows. I want to delete all the cells that consist of just 2 (leave 2's that are not by themselves intact):
File before modification
aa bb cc 2 NA100 dd
aa b1 c2 2 NA102 de
File after modification... (1 Reply)
How do you delete cells from a space delimited text file given row and column number? Letś say the row number is r and the column number is c. Thanks! (5 Replies)
I have a space delimited text file with 1,000,000+ columns? I would only like to view specific ones (let's say through 1:10), how can I do that? Thanks! (3 Replies)
I have a text file with irregular spacing between values which makes it really difficult to manipulate. Is there an easy way to convert it into a space delimited text file so that all the spaces, double spaces, triple spaces, tabs between numbers are converted into spaces. The file looks like this:... (5 Replies)
I have a space delimited text file. I want to extract rows where the third column has 0 as a value and write those rows into a new space delimited text file. How do I go about doing that? Thanks! (2 Replies)
Hi,
I have a space delimited text file but I only want to change the first space to a tab and keep the rest of the spaces intact. How do I go about doing that? Thanks! (3 Replies)
Hi All, I will need an help with respect to replacing a range of columns on a non-delimited file using a particular string pattern.
Say file input is
MYNUMBERD000000-BAN CHUE INSNTS ** N+
MYAREDSDD000000+BAN CHUE INSNTS ** N+
MYDERFFFSD00000-GIR PENT - ACH ** ... (5 Replies)
Discussion started by: navojit dutta
5 Replies
LEARN ABOUT CENTOS
column
COLUMN(1) User Commands COLUMN(1)NAME
column - columnate lists
SYNOPSIS
column [options] file...
DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file or, by default, from
standard input. Empty lines are ignored.
OPTIONS -c, --columns width
Output is formatted to a width specified as number of characters.
-t, --table
Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with
the characters supplied using the separator. Table output is useful for pretty-printing.
-s, --separator separators
Specify possible table delimiters (default is whitespace).
-o, --output-separator separators
Specify table output delimiter (default is two whitespaces).
-x, --fillrows
Fill columns before filling rows.
-h, --help
Print help and exit.
ENVIRONMENT
The environment variable COLUMNS is used to determine the size of the screen if no other information is available.
EXAMPLES
sed 's/#.*//' /etc/fstab | column -t
BUGS
The util-linux version 2.23 changed -s option to be non-greedy, for example:
$ printf "a:b:c
1::3
" | column -t -s ':'
old output:
a b c
1 3
new output (since util-linux 2.23)
a b c
1 3
SEE ALSO colrm(1), ls(1), paste(1), sort(1)HISTORY
The column command appeared in 4.3BSD-Reno.
AVAILABILITY
The column command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
util-linux October 2010 COLUMN(1)