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In the above example, CommandB will only execute if CommandA completes successfully, and the execution of CommandC depends on the successful completion of CommandB. To process subsequent commands even if the previous command produces an error, the command separator & should be used. [ 9 ]
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A command prompt (or just prompt) is a sequence of (one or more) characters used in a command-line interface to indicate readiness to accept commands. It literally prompts the user to take action. A prompt usually ends with one of the characters $ , % , # , [ 15 ] [ 16 ] : , > or - [ 17 ] and often includes other information, such as the path ...
An example of Java argument parsing would be: public class Echo ... (command-line #:program "emoticon" #:once-any; the following two are mutually exclusive ...
The next line is executed and the PAUSE command displays Press any key to continue . . . and pauses the script's execution. After a key is pressed, the script terminates, as there are no more commands. In Windows, if the script is executed from an already running command prompt window, the window remains open at the prompt as in MS-DOS ...
Common exceptions include an invalid argument (e.g. value is outside of the domain of a function), [5] an unavailable resource (like a missing file, [6] a network drive error, [7] or out-of-memory errors [8]), or that the routine has detected a normal condition that requires special handling, e.g., attention, end of file. [9]
CLIST (MVS Command List) CMS EXEC; csh and tcsh (by Bill Joy UC Berkeley) DIGITAL Command Language CLI for VMS (DEC, Compaq, HP) DOS batch language (for IBM PC DOS, pre-Windows) EXEC 2; Expect (a Unix automation and test tool) fish (a Unix shell) Hamilton C shell (a C shell for Windows) ksh (a standard Unix shell, written by David Korn) Nushell ...
A software bug is a design defect in computer software.A computer program with many or serious bugs may be described as buggy.. The effects of a software bug range from minor (such as a misspelled word in the user interface) to severe (such as frequent crashing).