using variables in bash shell script

Ngày tải lên: 17/02/2014, 17:20

Ngày tải lên: 24/04/2014, 09:16

Ngày tải lên: 08/08/2014, 00:21

... $OSTYPE in "LINUX" ) PING=/usr/sbin/ping ;; "FREEBSD" ) PING=/sbin/ping ;; "SOLARIS" ) PING=/usr/sbin/ping ;; *) ;; esac } Using Your Library Once you’ve included ... quote your string variables to gracefully handle an undefined variable or white space within the string. A comparison involving an unquoted, undefined string variable in the bash shell will return ... With this increased output, you can easily view what is happening in the run- ning script and possibly determine where your problem lies. When you put the instruction set -x into your script, each...

Ngày tải lên: 20/08/2012, 13:59

... kites -Play soccer -Play badminton -Play tennis -Go swimming -Go jogging -Go camping -Go to the zoo -Go fishing What’s the weather like in the Spring ? Answer the questions ,using given picture : ... questions ,using given picture : Go swimming Back What’s the weather like in the Fall ? Answer the questions ,using given picture : Back What’s the weather like in the Winter ? Answer ... like in the Summer ? Answer the questions ,using given picture : Back What does your father do when it’s warm ? Answer the questions ,using given picture : Play tennis Back Cao Minh,...

Ngày tải lên: 29/09/2013, 14:10

... LOCKED ++ ++ IN $REMAINING day\\(s\\) ++ ============================================================== If the password isnt changed within $REMAINING day\\(s\\), account will be locked. Instructions ... to environment variables and contains customizable elements so the message can be tailored specifically to the recipient. In Chapter 36, I present a script that checks every morning for user ... morning for user passwords that are aging and therefore should be changed. In that script, when a password has reached the predetermined cut-off age, the script sends an e-mail to the account...

Ngày tải lên: 05/10/2013, 08:51

... troubleshooting. Indenting them with the normal code makes them more difficult to find when I want them removed. CHAPTER 1 ■ SHELL SCRIPT DEBUGGING 9 If these three lines were executed in a script, ... 1 ■ SHELL SCRIPT DEBUGGING 7 valuable in tracing through the running of a script, it can be cumbersome to isolate the exact piece of data that you’re looking for. With an echo or print statement, ... displayed if the script were run without tracing enabled. As you can see, this type of trace is highly useful in determining the value that variables contain during the execution of a script, as...

Ngày tải lên: 05/10/2013, 08:51

... things you can do with a programming language like PHP involves adding decision-making routines to your scripts. These decision- making routines can be used to add intelligence to your PHP scripts, ... equality and type. The following listing demonstrates this: <?php // define two variables 3 ch03.indd 73 2/2/05 3:07:52 PM TEAM LinG HowTo8 (8) CHAPTER 3: Using Variables, Statements, and ... POST form input, and store it in variables ■ Perform calculations and comparisons using operators ■ Use and override operator precedence rules Embedding PHP in HTML One of the nicer things about...

Ngày tải lên: 18/10/2013, 23:20

... Module 5: Using Trace in ASP.NET Pages BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Tracing into a Component ! Import the System.Web Library ! Enable Tracing in Class ... Module 5: Using Trace in ASP.NET Pages 5 BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY How Does Page-Level Trace Work? ! Enabling Tracing for a Page ! Inserting Trace ... page-level tracing works. Lead -in ASP.NET aids the debugging and testing process by providing two types of trace capabilities, page-level and application- level. 6 Module 5: Using Trace in ASP.NET...

Ngày tải lên: 05/11/2013, 12:15

Ngày tải lên: 14/12/2013, 00:41

... Common Linux Shells Shell name Program name(s) Description ASH shell /bin/ash /bin/bsh Resembles the shell used by AT&T's System V Unix. BASH shell /bin /bash /bin /bash2 ... preparing you for an in- depth, continuing study of Linux. 13.1 The Linux Shell You met the Linux command interpreter, or shell, early in this book. Like an MS-DOS Prompt window, the shell ... powerful BASH shell, providing a much more detailed explanation than that provided in Chapter 4, Issuing Linux Commands. The chapter also briefly explains shell variables, shell scripts, and shell...

Ngày tải lên: 14/12/2013, 13:15

... tin về loại shell nào đợc sử dụng. Mỗi khi bạn login, hệ thống sẽ đọc tệp này để lấy thông tin khởi tạo cho shell. Thông tin có thể gồm một trong những dạng sau: /bin/sh Bourne shell /bin/jsh ... hiện nay Linux là một hệ điều hành kế thừa của Unix. Linux cũng có những shell tơng tự và bạn có thể sử dụng những giới thiệu về shell ở đây với các hệ thống Linux. 3. Những loại shell hiện ... /bin/sh Bourne shell /bin/jsh Bourne shell, có thêm phần điều khiển tác vụ (job control) /bin/ksh Korn shell /bin/csh C shell Bạn có thể thay đổi shell mặc định sang một loại khác bằng...

Ngày tải lên: 15/12/2013, 20:15

... tin về loại shell nào đợc sử dụng. Mỗi khi bạn login, hệ thống sẽ đọc tệp này để lấy thông tin khởi tạo cho shell. Thông tin có thể gồm một trong những dạng sau: /bin/sh Bourne shell /bin/jsh ... hiện nay Linux là một hệ điều hành kế thừa của Unix. Linux cũng có những shell tơng tự và bạn có thể sử dụng những giới thiệu về shell ở đây với các hệ thống Linux. 3. Những loại shell hiện ... /bin/sh Bourne shell /bin/jsh Bourne shell, có thêm phần điều khiển tác vụ (job control) /bin/ksh Korn shell /bin/csh C shell Bạn có thể thay đổi shell mặc định sang một loại khác bằng...

Ngày tải lên: 16/12/2013, 13:15

Ngày tải lên: 18/12/2013, 10:08

Ngày tải lên: 19/12/2013, 15:01

... ActionScript 2.0 include the following points: ã Scripts that use ActionScript 2.0 to define classes or interfaces must be stored as external script files, with a single class defined in each script; ... Player 7, include System.security.allowInsecureDomain or LocalConnection.allowInsecureDomain in the called file, using exact domain-name matching, as shown in the code examples earlier in this ... the script at the insertion point in your code file. In previous versions of Flash, importing a script overwrote the contents of the existing script. Single-click breakpoints To add a debugging...

Ngày tải lên: 24/12/2013, 01:17

... “Creating accessibility with ActionScript” in Using Flash. Using the Actions panel and Script window 143 Managing scripts in a FLA file If you don’t centralize your code within a FLA file in one ... more information on data typing, see “Strict data typing” on page 41. For information on using code hints when they appear, see Using code hints” on page 147. Using suffixes to trigger code hints If ... setInterval , and remember to clear the interval when you finish using it to reduce processor requirements for the SWF file. Using the ActionScript editor 147 For information on using code hints...

Ngày tải lên: 24/12/2013, 01:17

... formatting properties of the TextFormat class within HTML text fields, including line leading, indentation, margins, and tab stops. You can combine <textformat> tags with the built -in HTML ... for working with XML-formatted data, including loading and parsing external XML, creating new XML documents, and navigating XML document trees. See “XML class” and Using the XML class” in Flash ... margin of the paragraph, in points; corresponds to TextFormat.leftMargin . (See TextFormat.leftMargin in Flash ActionScript Language Reference.) ã rightmargin Specifies the right margin of...

Ngày tải lên: 24/12/2013, 01:17

... 230 assigning styles to built -in HTML tags 231 combining styles 231 defining styles in ActionScript 229 example of using with HTML tags 232 example of using with XML tags 235 formatting text 226 loading ... 242 excluding classes from 273 jumping to frame or scene 180 loading and unloading 207 loading into movie clips 296 maintaining original size 286 passing information between 275 placing on Web ... 78 displaying line numbers 152 formatting 76, 151, 152 selecting a line 160 stepping through lines 160 word wrapping 152 code hints 145 manually displaying 149 not being displayed 149 specifying settings...

Ngày tải lên: 24/12/2013, 01:17