Sponsored Content
Top Forums Shell Programming and Scripting Merge columns on different files Post 302861951 by Jotne on Thursday 10th of October 2013 02:00:59 AM
Old 10-10-2013
@Akshay Hegde
Using _ as a variable name is not a good idea. It makes beginners wonder what is going on. Its valid, but use some thing else, like this:
Code:
awk 'FNR==NR{arr[$1]=$0;next}{printf($1 in arr)?$0 FS arr[$1] RS:""}' f2 f1

When you see some like this example, its not easy to see what is going on Smilie
awk '_ && _--;/test/{_=3}' file
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

compare columns from 2 files and merge

Dear all, Being new to Unix i have a problem. I have 2 files: File 1: 118,1,0,2,3,0,5,0.3,0,0.3,0.6,1 118,2,1,2,2,0,5,0.4,0,0.4,0.4,1 118,4,2,0,3,0,5,0.7,0,0.3,0.6,1 118,6,4,1,0,0,5,0.8,0,0.2,0,1 File 2: 118,1,BFGL-NGS-109695,3610326,0,18,1,0.556,0.389,0.056,0.25,0.8183... (2 Replies)
Discussion started by: samwilkinson
2 Replies

2. Shell Programming and Scripting

merge the two files which has contain columns

Hi may i ask how to accomplish this task: I have 2 files which has multiple columns first file 1 a 2 b 3 c 4 d second file 14 a 9 .... 13 b 10.... 12 c 11... 11 d 12... I want to merge the second file to first file that will looks like this ... (2 Replies)
Discussion started by: jao_madn
2 Replies

3. UNIX for Dummies Questions & Answers

Merge two files with two columns being similar

Hi everyone. How can I merge two files, where each file has 2 columns and the first columns in both files are similar? I want all in a file of 4 columns; join command removes the duplicate columns. 1 Dave 2 Mark 3 Paul 1 Apple 2 Orange 3 Grapes to get it like this in the 3rd file:... (9 Replies)
Discussion started by: Atrisa
9 Replies

4. Shell Programming and Scripting

Merge columns of different files

Hi, I have tab limited file 1 and tab limited file 2 The output should contain common first column vales and corresponding 2nd column values; AND also unique first column value with corresponding 2nd column value of the file that contains it and 0 for the second file. the output should... (10 Replies)
Discussion started by: polsum
10 Replies

5. Shell Programming and Scripting

Merge two files matching columns

Hi! I need to merge two files when col1 (x:x:x) matching and adds second column from file1.txt. # cat 1.txt aaa;a12 bbb;b13 ccc;c33 ddd;d55 eee;e11 # cat 2.txt bbb;b55;34444;d55 aaa;a15;35666;a44 I try with this awk and I get succesfully first column from 1.txt: # awk -F";"... (2 Replies)
Discussion started by: fhluque
2 Replies

6. UNIX for Dummies Questions & Answers

Merge columns from multiple files

Hi all, I've searched the web for a long time trying to figure out how to merge columns from multiple files. I know paste will append columns like so: paste file1 file2 file3 file4 file5 ... But this becomes inconvenient when you want to append a large number of files into a single file. ... (2 Replies)
Discussion started by: torchij
2 Replies

7. Shell Programming and Scripting

Merge 2 files with one reference columns

Hi All Source1 servername1,patchid1 servername1,patchid2 servername1,patchid3 servername2,patchid1 servername2,patchid2 servername3,patchid4 servername3,patchid5 Source2 servername1,appname1 servername1,appname2 servername1,appname3 servername2,appname1 servername2,appname2... (13 Replies)
Discussion started by: mv_mv
13 Replies

8. Shell Programming and Scripting

Merge columns from multiple files

Hello and Good day I have a lot of files with same number of rows and columns.$2 and $3 are the same in all files . I need to merge $2,$3,$6 from first file and $6 from another files. File1: $1 $2 $3 $4 $5 $6... (8 Replies)
Discussion started by: ali.seifaddini
8 Replies

9. Shell Programming and Scripting

Merge files based on columns

011111123444 1234 1 20000 011111123444 1235 1 30000 011111123446 1234 3 40000 011111123447 1234 4 50000 011111123448 1234 3 50000 File2: 011111123444,Rsttponrfgtrgtrkrfrgtrgrer 011111123446,Rsttponrfgtrgtr 011111123447,Rsttponrfgtrguii 011111123448,Rsttponrfgtrgtjiiu I have 2 files... (4 Replies)
Discussion started by: vinus
4 Replies

10. Shell Programming and Scripting

Merge specific columns of two files

Hello, I have two tab delimited text files. Both files have the same number of rows but not necessarily the same number of columns. The column headers look like, File 1: f0order CVorder Name f0 RI_9 E99 E199 E299 E399 E499 E599 E699 E799 E899 E999 File 2:... (9 Replies)
Discussion started by: LMHmedchem
9 Replies
PG_FETCH_ARRAY(3)														 PG_FETCH_ARRAY(3)

pg_fetch_array - Fetch a row as an array

SYNOPSIS
array pg_fetch_array (resource $result, [int $row], [int $result_type = PGSQL_BOTH]) DESCRIPTION
pg_fetch_array(3) returns an array that corresponds to the fetched row (record). pg_fetch_array(3) is an extended version of pg_fetch_row(3). In addition to storing the data in the numeric indices (field number) to the result array, it can also store the data using associative indices (field name). It stores both indicies by default. Note This function sets NULL fields to the PHP NULL value. pg_fetch_array(3) is NOT significantly slower than using pg_fetch_row(3), and is significantly easier to use. PARAMETERS
o $result - PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others). o $row - Row number in result to fetch. Rows are numbered from 0 upwards. If omitted or NULL, the next row is fetched. o $result_type - An optional parameter that controls how the returned array is indexed. $result_type is a constant and can take the following values: PGSQL_ASSOC, PGSQL_NUM and PGSQL_BOTH. Using PGSQL_NUM, pg_fetch_array(3) will return an array with numerical indices, using PGSQL_ASSOC it will return only associative indices while PGSQL_BOTH, the default, will return both numerical and associa- tive indices. RETURN VALUES
An array indexed numerically (beginning with 0) or associatively (indexed by field name), or both. Each value in the array is represented as a string. Database NULL values are returned as NULL. FALSE is returned if $row exceeds the number of rows in the set, there are no more rows, or on any other error. EXAMPLES
Example #1 pg_fetch_array(3) example <?php $conn = pg_pconnect("dbname=publisher"); if (!$conn) { echo "An error occurred. "; exit; } $result = pg_query($conn, "SELECT author, email FROM authors"); if (!$result) { echo "An error occurred. "; exit; } $arr = pg_fetch_array($result, 0, PGSQL_NUM); echo $arr[0] . " <- Row 1 Author "; echo $arr[1] . " <- Row 1 E-mail "; // As of PHP 4.1.0, the row parameter is optional; NULL can be passed instead, // to pass a result_type. Successive calls to pg_fetch_array will return the // next row. $arr = pg_fetch_array($result, NULL, PGSQL_ASSOC); echo $arr["author"] . " <- Row 2 Author "; echo $arr["email"] . " <- Row 2 E-mail "; $arr = pg_fetch_array($result); echo $arr["author"] . " <- Row 3 Author "; echo $arr[1] . " <- Row 3 E-mail "; ?> SEE ALSO
pg_fetch_row(3), pg_fetch_object(3), pg_fetch_result(3). PHP Documentation Group PG_FETCH_ARRAY(3)
All times are GMT -4. The time now is 03:12 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy