Shell Scripting If

Execline is a good scripting tool for developers who need to handle a large number of scripts, or that can execute many times, or to apply nested environments. Many people write shell scripts with bash, or "sh" (it generally, but not always refer to bash). Other shells also have the ability to execute shell scripts, but the problem with shell scripts is that they may consume more memory because if you execute a shell script from a shell, you run two instead of a she ...

Execline 1.1.2 Starting from this release, the Forx and Forbactickx Exit Loops command uses the same code when the-X option is used. This is useful when a loop test fails. Execline is a good scripting tool for developers who need to handle a large number of scripts, or that can execute many times, or to apply nested environments. Many people write shell scripts with bash, or "sh" (it generally, but not always refer to bash). Other shells also have execute shell scripts ...

USL is an object-oriented scripting language that is written using c++++ and can be compiled in Linux and Windows. If no script is provided, USL is a programmable command shell. Interfaces can be programmed via USL. USL applies to generic scripts on the local system. USL 3.4.5 This version adds "Hide" and "show" features when you do not want to see the USL console running scripts in use. Download Address: Http://sourceforge.net/projects/unor ...

You can use the flexibility inherent in the command shell of Linux to create scripting languages that help you simulate DOS commands in a Linux environment. 　　 　　The specific approach is as follows. If you are an IT support expert, you like the command of Windows very much, when you first use the Linux command line, you may soon find yourself confused. The DOS commands you've been familiar with for a long time don't exist in Linux. So you will find yourself facing a terrible task: to learn and be familiar with the whole ...

This method is urgently needed to record what time to try ^^ In Linux, you can use the crontab + php method: 1, the use of crontab-e edit the contents of regular tasks: xx: xx: xx Execute a test.php File 2, php file must be in the first line of the file, with the interpreter path (as perl do) #! / Usr / local / bin / php PHP implementation requires Apache support, she ...

Ksh_timer is designed to help Ksh or ksh93 script Administrators or http://www.aliyun.com/zixun/aggregation/7155.html "> developers to compute each function and its shell The time spent in the script user-defined section. The following points define the Ksh_timer function: If you run a script in Ksh_timer, the function called by the script is timed automatically. Users use ...

The GNU Parallel is a shell tool that is executed locally in parallel or using a remote computer. The job is usually to enter each row to run a command or a small script. Typical input includes a list of files, host lists, user lists, a list of URLs, or lists of tables. The execution job read from the pipe can also be a command, and the GNU parallel can split parallel inputs and pipelines into commands. If you use Xargs and tee, you will find that the GNU parallel is very easy to use because GNU P ...

-----------------------20080827-------------------insight into Hadoop http://www.blogjava.net/killme2008/archive/2008/06 /05/206043.html first, premise and design goal 1, hardware error is the normal, rather than exceptional conditions, HDFs may be composed of hundreds of servers, any one component may have been invalidated, so error detection ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The Windows PowerShell command prompt is a language that supports objects, and we can simply assign the result returned by the command to a variable, $files contains a collection of objects in the table of contents that are in the previous directory, and use the normal array access syntax to get the object at that location ....

Bash (GNU bourne-again shell) is the default shell of many Linux platforms, in fact, there are many traditional Unix shell, like tcsh, CSH, Ash, BSH, Ksh, and so on, SHell script is roughly similar, When you learn a shell, the rest of the shell will soon start, and most of the time, a shell script can often be used on many kinds of shells. By learning how to use bash scripting ...