05 Dec 2014
This program will create 100 folders from where it is executing. Then after the first half of the program it will delete those folders from the directory.
Ananth's Blog - page 11
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05 Dec 2014
This program will dynamically allocate memory and shows the amount of memory it uses. When heap is empty it will show Memory Full. The memory will be freed once you close the program (No harm by the way!). The rate at which memory is allocated is small (1 Kb per each iteration) so you can see at which point heap becomes empty.
15 Sep 2014
Expect is one way to automate your scripts by expecting what the output may be. For example you want to create a script that helps you to login to a telnet session and enter your login and password for you. Here is the simple example which helps you to do it.
Above example will login to your router and enter your username and password and list all the possible commands using ? and then let you to interact with using interact command. You can automate anything for example applications, ssh etc..
22 Jul 2014
If you want to use your variable from script inside awk, do the following
column=2
ps | awk '{print $var}' var=$column
or
column=2
ps | awk '{print $var}' var=$column
name="Hello"
echo $name | awk '{print var}' var=$name