Hi Friends :D
Please help me to modify a small script. I have a file with columns like:
xxx 200
xxx 10
yyy 150
yyy 1500
zzz 05
www 120 and so on
I have to add the column 2 for a particular column 1. I am trying the script given below, it works fine but takes a lot of time... (2 Replies)
Hi,
I am new to this forum and new to awk.
I have a file that contains 2 columns.
Heres an example of what it looks like:
10 +
20 +
40 +
50 -
70 -
So the file is tab-delimited. What I want to do is add 10 to column 1 whenever column 2 is + and substract 10 from column 1... (1 Reply)
Hi,
I've shown an example of what I would like to achieve below. In the example file, I would like to sum the values in column 2 for each distinct category in column 3 (presumably making an array?) and print the sum as well as the category name and length (note:length always corresponds with... (8 Replies)
I have a following inputfile
MT,AP,CDM,TTML,MUM,GS,SUCC,3
MT,AP,CDM,TTSL,AP,GS,FAIL,9
MT,AP,CDM,RCom,MAH,GS,SUCC,3
MT,AP,CDM,RTL,HP,GS,SUCC,1
MT,AP,CDM,Uni,UPE,GS,SUCC,2
MT,AP,CDM,Uni,MUM,GS,SUCC,2
TTSL,AP,GS,MT,MAH,CDM,SUCC,20
TTML,AP,GS,MT,MAH,CDM,FAIL,10... (2 Replies)
Hi,
I have a similar input format-
A_1 2
B_0 4
A_1 1
B_2 5
A_4 1
and looking to print in this output format with headers. can you suggest in awk?awk because i am doing some pattern matching from parent file to print column 1 of my input using awk already.Thanks!
letter number_of_letters... (5 Replies)
Hi,
I have a table to be imported for R as matrix or data.frame but I first need to edit it because I've got several lines with the same identifier (1st column), so I want to sum the each column (2nd -nth) of each identifier (1st column)
The input is for example, after sorted:
K00001 1 1 4 3... (8 Replies)
Hi All,
I have a requirement where I need to find sum of values from column D through O present in a CSV file and check whether the sum of each Individual column matches with the value present for that corresponding column present in the trailer record.
For example, let's assume for column D... (9 Replies)
I have a file which need to be summed up using date column.
I/P:
2017/01/01 a 10
2017/01/01 b 20
2017/01/01 c 40
2017/01/01 a 60
2017/01/01 b 50
2017/01/01 c 40
2017/01/01 a 20
2017/01/01 b 30
2017/01/01 c 40
2017/02/01 a 10
2017/02/01 b 20
2017/02/01 c 30
2017/02/01 a 10... (6 Replies)
Hi Experts,
Please bear with me, i need help
I am learning AWk and stuck up in one issue.
First point : I want to sum up column value for column 7, 9, 11,13 and column15 if rows in column 5 are duplicates.No action to be taken for rows where value in column 5 is unique.
Second point : For... (1 Reply)
Hello,
I am trying to store sum of a column as a new column inside a file but have to find the column names dynamically
I/p
c1,c2,c3,c4,c5
10,20,30,40,50
20,30,40,50,60
If i want to find sum only column c1, c3 and output it as c6,c7
O/p
c1,c2,c3,c4,c5,c6,c7
10,20,30,40,50,30,70... (6 Replies)
Discussion started by: mkathi
6 Replies
LEARN ABOUT PHP
pg_fetch_all_columns
PG_FETCH_ALL_COLUMNS(3)PG_FETCH_ALL_COLUMNS(3)pg_fetch_all_columns - Fetches all rows in a particular result column as an arraySYNOPSIS
array pg_fetch_all_columns (resource $result, [int $column])
DESCRIPTION pg_fetch_all_columns(3) returns an array that contains all rows (records) in a particular column of the result resource.
Note
This function sets NULL fields to the PHP NULL value.
PARAMETERS
o $result
- PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others).
o $column
- Column number, zero-based, to be retrieved from the result resource. Defaults to the first column if not specified.
RETURN VALUES
An array with all values in the result column.
FALSE is returned if $column is larger than the number of columns in the result, or on any other error.
EXAMPLES
Example #1
pg_fetch_all_columns(3) example
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occurred.
";
exit;
}
$result = pg_query($conn, "SELECT title, name, address FROM authors");
if (!$result) {
echo "An error occurred.
";
exit;
}
// Get an array of all author names
$arr = pg_fetch_all_columns($result, 1);
var_dump($arr);
?>
SEE ALSO pg_fetch_all(3).
PHP Documentation Group PG_FETCH_ALL_COLUMNS(3)