Sponsored Content
Top Forums Shell Programming and Scripting Evaluate the value of a variable? Post 302282925 by Ilja on Monday 2nd of February 2009 07:15:08 AM
Old 02-02-2009
I solved it
echo ${!BAR}
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

how to get variable to re-evaluate itself?

Probably a simple one. Basically I am retrieving a number from a file - setting a variable against it and then incrementing this by 1 and using this as an entry number in a log file for messages. I need the variable to re-evalute itself each time I call it so I get the latest number in the file -... (1 Reply)
Discussion started by: frustrated1
1 Replies

2. Shell Programming and Scripting

cron does not evaluate the quotes

Hi all, I have a script that runs perfectly from cmd, but in the cron it gives a strange ':::::::::::::::' output instead of evaluating the part inside the quotes. this is the script: bash-3.00# more test #!/bin/ksh #-----swap--- TEMP_FILE=/HealthCheck/test/file.txt swap -s | tee... (1 Reply)
Discussion started by: kerrygold
1 Replies

3. Shell Programming and Scripting

Evaluate string containing shell variable names

Hello, I have this: #!/usr/bin/ksh V1=ABC str="hello 123;${V1}" eval "echo $str" i get hello 123 /script.sh ABC not found However eval works if $str variable doesn't contain a semicolumn (eg if str="hello 123~${v1}" running the eval statement above would produce (2 Replies)
Discussion started by: endorphin
2 Replies

4. Shell Programming and Scripting

How to evaluate the value of a variable ?

How to evaluate the value of a variable ? For example: a=var $a=value !!!error happens!!! I want to evaluate var=value, how to realize it? Thanks! ---------- Post updated at 03:37 AM ---------- Previous update was at 02:22 AM ---------- I am using linux bash. a=var $a=value... (4 Replies)
Discussion started by: 915086731
4 Replies

5. Shell Programming and Scripting

How to evaluate expressions in file

I have a situation where i need to evaluate expression and do substitutions in file file.ports port1=`expr $STARTINGPORT + 1` port2=`expr $STARTINGPORT + 2` port3=`expr $STARTINGPORT + 3` Intended output If my STARINGPORT is 100 port1=101 port2=102 port3=103 Can anyone please... (1 Reply)
Discussion started by: sasiharitha
1 Replies

6. UNIX for Dummies Questions & Answers

How does ||: evaluate?

In BASH, how does ||: get interpreted. I know || is logical or. And I believe : evaluates to true. Can someone give a thorough explanation for this usage? Example for i in $IGGY do && skipdb=1 || : (6 Replies)
Discussion started by: glev2005
6 Replies

7. Shell Programming and Scripting

Evaluate Variable At Runtime

Hi, I am trying to set a variable that has time the format desired. And my intention is to echo variable (instead of actual date command) everytime I like to echo date. Please take a look at below code. $NOW='' echo $NOW After 5 minutes $echo $NOW Issue here is , I am not... (2 Replies)
Discussion started by: vinay4889
2 Replies

8. Shell Programming and Scripting

How to evaluate a variable name on LHS of expression?

I am trying to write a simple function to select values from a database and assign them to variables. It can have any number of arguments sent into it, and I want to assign the value retrieved to a different variable name for each argument sent in. So my code looks something like this: ... (6 Replies)
Discussion started by: DJR
6 Replies

9. UNIX for Advanced & Expert Users

How to evaluate expression under awk?

I have to display only those subscribers which are in "unconnected state" and the date is 90 days older than today's date. Below command is used for this purpose: cat vfsubscriber_20170817.csv | sed -e 's/^"//' -e '1d' | \ nawk -F '",' '{if ( (substr($11,2,4) == 2017) && ( substr($11,2,8)... (1 Reply)
Discussion started by: dia
1 Replies
MSSQL_FETCH_FIELD(3)													      MSSQL_FETCH_FIELD(3)

mssql_fetch_field - Get field information

SYNOPSIS
object mssql_fetch_field (resource $result, [int $field_offset = -1]) DESCRIPTION
mssql_fetch_field(3) can be used in order to obtain information about fields in a certain query result. PARAMETERS
o $result - The result resource that is being evaluated. This result comes from a call to mssql_query(3). o $field_offset - The numerical field offset. If the field offset is not specified, the next field that was not yet retrieved by this function is retrieved. The $field_offset starts at 0. RETURN VALUES
Returns an object containing field information. The properties of the object are: o name - column name. if the column is a result of a function, this property is set to computed#N, where #N is a serial number. o column_source - the table from which the column was taken o max_length - maximum length of the column o numeric - 1 if the column is numeric o type - the column type. EXAMPLES
Example #1 mssql_fetch_field(3) example <?php // Connect to MSSQL and select the database mssql_connect('MANGOSQLEXPRESS', 'sa', 'phpfi'); mssql_select_db('php'); // Send a select query to MSSQL $query = mssql_query('SELECT * FROM [php].[dbo].[persons]'); // Construct table echo '<h3>Table structure for 'persons'</h3>'; echo '<table border="1">'; // Table header echo '<thead>'; echo '<tr>'; echo '<td>Field name</td>'; echo '<td>Data type</td>'; echo '<td>Max length</td>'; echo '</tr>'; echo '</thead>'; // Dump all fields echo '<tbody>'; for ($i = 0; $i < mssql_num_fields($query); ++$i) { // Fetch the field information $field = mssql_fetch_field($query, $i); // Print the row echo '<tr>'; echo '<td>' . $field->name . '</td>'; echo '<td>' . strtoupper($field->type) . '</td>'; echo '<td>' . $field->max_length . '</td>'; echo '</tr>'; } echo '</tbody>'; echo '</table>'; // Free the query result mssql_free_result($query); ?> SEE ALSO
mssql_field_seek(3). PHP Documentation Group MSSQL_FETCH_FIELD(3)
All times are GMT -4. The time now is 08:47 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy