Redirect from Variable to command line?? Post: 302069566

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redirect command output to variable

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LEARN ABOUT NETBSD

stapvars

STAPVARS(3stap) 														   STAPVARS(3stap)

NAME

       stapvars - systemtap variables

DESCRIPTION

       The  following  sections enumerate the public variables provided by standard tapsets installed, (the installation path is show in the stap-
       paths(7) manual page).	Each variable is described with a type, and its behavior/restrictions.	The syntax is the same as printed with the
       stap option -p2.  Examples:

       example1:long
	      Variable "example1" contains an integer.

       example2:string [long]
	      Variable "example2" is an array of strings, indexed by integers.

   ARGV
       argc:long
	      Contains the value of the  $# value: the number of command line arguments passed to the systemtap script.  It is initialized with an
	      implicit begin(-1) probe.

       argv:string [long]
	      Contains each command line argument as a string.	argv[1] will equal @1 if there was at least one command line argument.	 Arguments
	      beyond #32 are not transcribed, and produce a warning message within the begin(-1) probe that initializes this array.

   NULL
       NULL:long
	      Simply defined as the number 0.

FILES

       More files and their corresponding paths can be found in the stappaths(7) manual page.

SEE ALSO

       stap(1) stappaths(7)

																   STAPVARS(3stap)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

redirect command output to variable

Discussion started by: hugow

2. UNIX for Dummies Questions & Answers

redirect stderr and/or stdout to /dev/null from command line

Discussion started by: knc9233

3. Shell Programming and Scripting

Insert a line including Variable & Carriage Return / sed command as Variable

Discussion started by: lowmaster

4. Shell Programming and Scripting

variable redirect messing up a sed command.

Discussion started by: dhibbit