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Top Forums UNIX for Advanced & Expert Users Write to a file in a specified order Post 302461395 by gpsridhar on Monday 11th of October 2010 11:55:14 AM
Old 10-11-2010
I used the command dos2unix while moving the file from my windows to linux server and it worked perfectly Smilie

But i do want to know what exactly does this command do.. because when i transfer my file from windows to my AIX box, my code works fine even without converting.

Is this something specific to LINUX?

---------- Post updated at 09:25 PM ---------- Previous update was at 01:57 PM ----------

I am stuck up with yet another change to this code..

While the following code helps me to cut the columns in the required layout and create a new file, the file generated is comma separated. Is there a way where i can define which delimiter my output file should contain?

Code:
pk1=1,3,2,4
mc1=6,5
pkcols1=`echo $pk1 | sed 's/,/,$/g'`
cols1=`echo $mc1 | sed 's/,/,$/g'`
awk -F, '{print'`echo "$"$pkcols1",$"$cols1`'}' OFS=, file1.txt

I cannot use a sed and replace the comma with the delimiter i need, because my input file might contain comma in the data. SmilieSmilie

Last edited by Scott; 10-11-2010 at 02:30 PM.. Reason: Code tags, please...
 

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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)
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