Hi,
I want a UNIX command that can filter out rows with certain criteria.
The file is tab deliminated. Row one is just a value. Basically what I want to do is select based on the name and character at the end (o). So lets lets say i want a row that has WashU and (o) then it would print... (2 Replies)
Hi there, I have a text file with several colums separated by "|;#" I need to search the file extracting all columns starting with the value of "1" or "2" saving in a separate file just the first 7 columns of each row maching the criteria, with replacement of the saparators in the nearly created... (2 Replies)
Hi Guys,
I need help in modifying a large text file containing more than 1-2 lakh rows of data using unix commands. I am quite new to the unix language
the text file contains data in a pipe delimited format
sdfsdfs
sdfsdfsd
START_ROW
sdfsd|sdfsdfsd|sdfsdfasdf|sdfsadf|sdfasdf... (9 Replies)
Hi
My pipe delimited .txt file contains rows with 10 columns.
Can anyone advise how I output to file only those rows with the letters ‘ci'
as the first 2 characters in the 3rd column ?
Many thanks (4 Replies)
Gurus,
From a file I need to remove duplicate rows based on the first column data but also we need to consider a date column where we need to keep the latest date (13th column).
Ex:
Input File:
Output File:
I know how to take out the duplicates but I couldn't figure out... (5 Replies)
HI all,
I have a simple challenge for you.. I have the following pipe delimited file
2345|98|1809||x|969|0
2345|98|0809||y|0|537
2345|97|9809||x|544|0
2345|97|0909||y|0|651
9685|98|7809||x|321|0
9685|98|7909||y|0|357
9685|98|7809||x|687|0
9685|98|0809||y|0|234
2315|98|0809||x|564|0
... (2 Replies)
Hi,
I have two files that I would like to merge and think that there should be a solution using awk. The files look something like this:
file 1
IDX1 IDY1
IDX2 IDY2
IDX3 IDY3
file 2
IDY1 dataA data1
IDY2 dataB data2
IDY3 dataC data3
Desired output
IDX1 IDY1 dataA data1
IDX2 ... (5 Replies)
Hello, everyone
I am beginner for shell programming. I want to print all lines that have the same values in first two columns
data:
a b 1 2
a a 3 4
b b 5 6
a b 4 6
what I expected is :
a a 3 4
b b 5 6
but I searched for one hour in... (2 Replies)
I have a rather convoluted script that I use to extract information from CSV files:
sed '1d' PeakTable.txt | awk -F ',' '!/Ladder/{ if ( $4 > 430 && $4 < 490 && $5 > 45 ) print $2, $5; else print $2, 0 }' | awk '{a+=$2}END{for(i in a){print i, a}}' | sed 's/\(\)\(\) /\10\2 /' | sort | awk... (4 Replies)
Discussion started by: Xterra
4 Replies
LEARN ABOUT PHP
pg_copy_from
PG_COPY_FROM(3)PG_COPY_FROM(3)pg_copy_from - Insert records into a table from an arraySYNOPSIS
bool pg_copy_from (resource $connection, string $table_name, array $rows, [string $delimiter], [string $null_as])
DESCRIPTION pg_copy_from(3) inserts records into a table from $rows. It issues a COPY FROM SQL command internally to insert records.
PARAMETERS
o $connection
- PostgreSQL database connection resource.
o $table_name
- Name of the table into which to copy the $rows.
o $rows
- An array of data to be copied into $table_name. Each value in $rows becomes a row in $table_name. Each value in $rows should be
a delimited string of the values to insert into each field. Values should be linefeed terminated.
o $delimiter
- The token that separates values for each field in each element of $rows. Default is TAB.
o $null_as
- How SQL NULL values are represented in the $rows. Default is N ("\N").
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
pg_copy_from(3) example
<?php
$db = pg_connect("dbname=publisher") or die("Could not connect");
$rows = pg_copy_to($db, $table_name);
pg_query($db, "DELETE FROM $table_name");
pg_copy_from($db, $table_name, $rows);
?>
SEE ALSO pg_copy_to(3).
PHP Documentation Group PG_COPY_FROM(3)