There is no standard API for returning this information. You need to use the FIONREAD ioctl if it is available on your platform. Typical code would be something like the following.
Hi,
I have a file that has 300 records with a load of fields. two of them are:
field_1 has between 8-9 bytes i.e. 012345678, 0123456789
field_2 has 10 bytes i.e. 01234567890
I want to be able to echo out the total of each of these fields i.e.
200 (have 8 - 9 bytes)
100 (have 10 bytes)... (3 Replies)
Im using the vmstat command to display the CPU run queue, but i want to put that into a program so is there a way to just display the number under the r?
Thanks, (1 Reply)
Hi,
i have following line in my code.
eport.pl < $4 | dos2ux | head -2000 | paste -sd\| - | awk -v S="$1" '
Issue is, i get a message saying "awk:input line | found /file/path cannot be longer than 3000 bytes."
"source line number is 3"
Can someone help me with this please? (4 Replies)
Hi,
Currently we are experiencing qdaemon died, hourly.
We have more than 10,000 print queue on AIX 5.3.
Would this cause the qdaemon to die?
What is the maximum number of print queue on AIX 5.3?
Thank you in advance. (0 Replies)
1) I need a shell code to count the number of files ( without directories or sub-directories ) in a directory given as arguments I tried this code but it didn't work , maybe I tried the wrong one:
numOfFiles=`find $1 -type f -maxdepth 1 | wc -l`
I found it in another thread in this site..
... (17 Replies)
Guys,
I want to get the high CPU utilization from top.
I am using below code :
top -d2 >> /home/dba_monitoring/host_top_output.txt
echo "Script started `date`" > $runlog
usage=`grep "^ *$1" /home/dba_monitoring/host_top_output.txt | awk '{print $12}' | sed 's/%//'`
And getting below... (7 Replies)
Hi,
I am using the libxml2 sax parser to parse a in memory xml string along with validating it against a schema.
I am using the following code:
xmlSAXHandlerPtr sax_ = new xmlSAXHandler();
sax_->initialized = XML_SAX2_MAGIC;
sax_->startElementNs =... (0 Replies)
I am writing a bash script to find out all the files in a directory which are empty. I am running into multiple issues. I will really appreciate if someone can please help me.
#!/bin/bash
DATE=$(date +%m%d%y)
TIME=$(date +%H%M)
DIR="/home/statsetl/input/civil/test"
... (1 Reply)
Hello guys. I really hope someone will help me with this one..
So, I have to write this script who:
- creates a file home/student/vmdisk of 10 mb
- formats that file to ext3
- mounts that partition to /mnt/partition
- creates a file /mnt/partition/data. In this file, there will... (1 Reply)
hello,
suppose, entered input is of 1-40 bytes, i need it to be converted to 40 bytes exactly.
example: if i have entered my name anywhere between 1-40 i want it to be stored with 40 bytes exactly.
enter your name:
donald duck (this is of 11 bytes)
expected is as below - display 11... (3 Replies)
Discussion started by: shravan.300
3 Replies
LEARN ABOUT REDHAT
queue
queue(n) Tcl Data Structures queue(n)
NAME
queue - Create and manipulate queue objects
SYNOPSIS
package require Tcl 8.2
package require struct ?1.2.1?
queueName option ?arg arg ...?
queueName clear
queueName destroy
queueName get ?count?
queueName peek ?count?
queueName put item ?item ...?
queueName size
DESCRIPTION
The ::struct::queue command creates a new queue object with an associated global Tcl command whose name is queueName. This command may be
used to invoke various operations on the queue. It has the following general form:
queueName option ?arg arg ...?
Option and the args determine the exact behavior of the command. The following commands are possible for queue objects:
queueName clear
Remove all items from the queue.
queueName destroy
Destroy the queue, including its storage space and associated command.
queueName get ?count?
Return the front count items of the queue and remove them from the queue. If count is not specified, it defaults to 1. If count is
1, the result is a simple string; otherwise, it is a list. If specified, count must be greater than or equal to 1. If there are no
items in the queue, this command will return count empty strings.
queueName peek ?count?
Return the front count items of the queue, without removing them from the queue. If count is not specified, it defaults to 1. If
count is 1, the result is a simple string; otherwise, it is a list. If specified, count must be greater than or equal to 1. If
there are no items in the queue, this command will return count empty strings.
queueName put item ?item ...?
Put the item or items specified into the queue. If more than one item is given, they will be added in the order they are listed.
queueName size
Return the number of items in the queue.
KEYWORDS
stack, matrix, tree, graph
struct 1.2.1 queue(n)