Sponsored Content
Full Discussion: Transpose columns to Rows
Top Forums Shell Programming and Scripting Transpose columns to Rows Post 302492812 by zaggyzig2011 on Tuesday 1st of February 2011 02:30:58 PM
Old 02-01-2011
Hi Scrutinizer,

I just started to pick up UNIX recently and know close to nothing about it, so please pardon my dumb question. Your code works great for my file, but it split columns by a space. How can I make it split by a tab instead? My input file is some what like this
A A B B C C
D D E E F F

and I want it to becomes the following
A A D D
B B E E
C C F F

not like this:

A D
A D
B E
B E
C F
C F

Thank you so much!

Quote:
Originally Posted by Scrutinizer
This code keeps rereading the file (so it is slower) but it does not use a lot of memory
Code:
awk 'NR==1{for(i=2;i<=NF;i++)ARGV[ARGC++]=ARGV[1]}
     FNR==1{print x;c++}{printf "%s"FS,$c}END{print x}' infile

So you perhaps you could give that a try. I have not tested it on large matrices, There should only be one input file with no empty lines in it.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Rows to Columns - File Transpose

Hi I have an input file and I want to transpose it but I need to take care that if any field is missing for a record it should be popoulated with space for that field - using a shell script INFILE ---------- emp=1 sal=2 loc=abc emp=2 sal=21 sal=22 loc=xyz emp=5 loc=abc OUTFILE... (10 Replies)
Discussion started by: 46019
10 Replies

2. Shell Programming and Scripting

Transpose multipe columns to rows and adding headers

Hi, I found the following awk script to transpose multiple (3) columns to multiple rows: #=== BEGIN {FS=","} { for (i=1;i<=NF;i++) { arr=$i; if(nf<= NF) nf=NF; } nr=NR } END { for(i=1;i<=nf;i++) { (8 Replies)
Discussion started by: Gery
8 Replies

3. Shell Programming and Scripting

Transpose columns to Rows : Big data

Hi, I did read a few posts on the subjects, tried out a few solutions, but did not solve my problem. https://www.unix.com/302121568-post11.html https://www.unix.com/shell-programming-scripting/137953-large-file-columns-into-rows-etc-4.html Please help. Problem very similar to the second link... (15 Replies)
Discussion started by: genehunter
15 Replies

4. Shell Programming and Scripting

Transpose Rows Into Columns

I'm aware there are a lot of resources dedicated to the question of transposing rows and columns, but I'm a total newbie at this and the task appears to be beyond me. I have 40 text files with content that looks like this: Dokument 1 von 146 Orange County Register (California) June 26, 2010... (2 Replies)
Discussion started by: spindoctor
2 Replies

5. Shell Programming and Scripting

transpose rows to columns

Any tips on how I can awk the input data to display the desired output per below? Thanking you in advance. input test data: 2 2010-02-16 10:00:00 111111111111 bytes 99999999999 bytes 90% 4 2010-02-16 12:00:00 333333333333 bytes 77777777777 bytes 88% 5 2010-02-16 11:00:00... (4 Replies)
Discussion started by: ux4me
4 Replies

6. Shell Programming and Scripting

Transpose Data from Columns to rows

Hello. very new to shell scripting and would like to know if anyone could help me. I have data thats being pulled into a txt file and currently have to manually transpose the data which is taking a long time to do. here is what the data looks like. Server1 -- Date -- Other -- value... (7 Replies)
Discussion started by: Mikes88
7 Replies

7. Shell Programming and Scripting

Columns to Rows - Transpose - Special Condition

Hi Friends, Hope all is well. I have an input file like this a gene1 10 b gene1 2 c gene2 20 c gene3 10 d gene4 5 e gene5 6 Steps to reach output. 1. Print unique values of column1 as column of the matrix, which will be a b c (5 Replies)
Discussion started by: jacobs.smith
5 Replies

8. Shell Programming and Scripting

awk to transpose every 7 rows into columns

input: a1 a2 a3 a4 a5 a6 a7 b1 b2 b3 .. b7 .. z1 .. z7 (12 Replies)
Discussion started by: ux4me
12 Replies

9. Shell Programming and Scripting

Transpose rows to columns complex

Input: IN,A,1 IN,B,3 IN,B,2 IN,C,7 BR,A,1 BR,A,5 BR,C,9 AR,C,9 Output: CNTRY,A,B,C IN,1,5,7 BR,6,0,9 AR,0,0,9 (7 Replies)
Discussion started by: unme
7 Replies

10. UNIX for Beginners Questions & Answers

Transpose rows to certain columns

Hello, I have the following data and I want to use awk to transpose each value to a certain column , so in case the value is not available the column should be empty. Example: Box Name: BoxA Weight: 1 Length :2 Depth :3 Color: red Box Name: BoxB Weight: 3 Length :4 Color: Yellow... (5 Replies)
Discussion started by: rahman.ahmed
5 Replies
SPLIT(1)						    BSD General Commands Manual 						  SPLIT(1)

NAME
split -- split a file into pieces SYNOPSIS
split [-a suffix_length] [-b byte_count[k|m] | -l line_count -n chunk_count] [file [name]] DESCRIPTION
The split utility reads the given file and breaks it up into files of 1000 lines each. If file is a single dash or absent, split reads from the standard input. file itself is not altered. The options are as follows: -a Use suffix_length letters to form the suffix of the file name. -b Create smaller files byte_count bytes in length. If 'k' is appended to the number, the file is split into byte_count kilobyte pieces. If 'm' is appended to the number, the file is split into byte_count megabyte pieces. -l Create smaller files line_count lines in length. -n Split file into chunk_count smaller files. If additional arguments are specified, the first is used as the name of the input file which is to be split. If a second additional argument is specified, it is used as a prefix for the names of the files into which the file is split. In this case, each file into which the file is split is named by the prefix followed by a lexically ordered suffix using suffix_length characters in the range ``a-z''. If -a is not speci- fied, two letters are used as the suffix. If the name argument is not specified, 'x' is used. STANDARDS
The split utility conforms to IEEE Std 1003.1-2001 (``POSIX.1''). HISTORY
A split command appeared in Version 6 AT&T UNIX. The -a option was introduced in NetBSD 2.0. Before that, if name was not specified, split would vary the first letter of the filename to increase the number of possible output files. The -a option makes this unnecessary. BSD
May 28, 2007 BSD
All times are GMT -4. The time now is 12:49 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy