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Full Discussion: Creating array from file
Top Forums Shell Programming and Scripting Creating array from file Post 302698865 by Lem on Monday 10th of September 2012 04:11:17 PM
Old 09-10-2012
Quote:
Originally Posted by Lord Spectre
Yes bash, but the command doesn't work for me :-(

Code:
#!/bin/bash
arr=( $(cut -d" " -f4 out.txt) )  
echo ${arr[@]}

result empty array:
Of course: if you load the array in a subshell (scripts are run in subshells), how can you have it in the parent shell?
------- EDIT ------------------------------
Sorry, I misread your message: I thought you were running echo outside the script.
--
Bye
 

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PG_FETCH_ALL(3) 														   PG_FETCH_ALL(3)

pg_fetch_all - Fetches all rows from a result as an array

SYNOPSIS
array pg_fetch_all (resource $result) DESCRIPTION
pg_fetch_all(3) returns an array that contains all rows (records) in 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). RETURN VALUES
An array with all rows in the result. Each row is an array of field values indexed by field name. FALSE is returned if there are no rows in the result, or on any other error. EXAMPLES
Example #1 PostgreSQL fetch all <?php $conn = pg_pconnect("dbname=publisher"); if (!$conn) { echo "An error occurred. "; exit; } $result = pg_query($conn, "SELECT * FROM authors"); if (!$result) { echo "An error occurred. "; exit; } $arr = pg_fetch_all($result); print_r($arr); ?> The above example will output something similar to: Array ( [0] => Array ( [id] => 1 [name] => Fred ) [1] => Array ( [id] => 2 [name] => Bob ) ) SEE ALSO
pg_fetch_row(3), pg_fetch_array(3), pg_fetch_object(3), pg_fetch_result(3). PHP Documentation Group PG_FETCH_ALL(3)
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