C++: scope, different files etc.. Post: 20407

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C++ variable scope and mutexes

I've been wondering if I can make mutexes much easier to use in C++ with creative use of a locking class and variable scope, but I'm not sure if things happen in the order I want. Here's pseudocode for something that could use the class: int someclass::getvalue() { int retval; ...

2. Programming

scope

Each thread has a copy of auto variables within a function, but variables declared as static within a function are common to all threads. To circumvent this can static variables be placed outside the function. If so, will the scope of the variable be file only or will it be extern, and will each...

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What is the scope of AIX as I am starting my career as a fresher in AIX administration??

4. Shell Programming and Scripting

Doubt about variables scope

I call my script with two parameters myscript.sh aaa bbb What is the way to access $1 and $2 values inside a function? I call the function like this myfuntion $1 $1 but inside of the function, $1 and $2 are empty. Any suggestions? thank you in advanced.

5. Shell Programming and Scripting

Variables scope.

Hi , I'm trying to change the variable value in a while loop , however its not working it seems that the problem with subshells while reading the file. #!/bin/sh FLAG=0; cat filename | while read data do FLAG=1; done echo $FLAG Should display 1 instead displays 0

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scope of the variable - Naga

Hi All, I am new to unix shell scripting, in the below script "num" is an input file which contains a series of numbers example : 2 3 5 8 I want to add the above all numbers and want the result finally outside the while loop. it prints the value zero instead of the actual expected...

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variable scope

Hi, I want to know about the variable scope in shell script. How can we use the script argument inside the function? fn () { echo $1 ## I want this argument should be the main script argument and not the funtion argument. } also are there any local,global types in shell script? if...

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bc: scope doesn't work for me

I am trying to use bc to calculate the difference between two nano second time stamps. bc does the calculation but seems to ignore the scale option: micro_start=$(date +%s.%N) # .. some stuff happens here micro_stop=$(date +%s.%N) TOT=$(echo "scale=3; $micro_stop - $micro_start" | bc)...

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Help with retaining variable scope

Hi, I use Korn Shell. Searched Forum and modified the way the file is input to the while loop, but still the variable does not seem to be retaining the final count. while read name do Tmp=`echo $name | awk '{print $9 }'` Count=`cat $Tmp | wc -l`...

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Variable scope in bash

Hello! Before you "bash" me with - Not another post of this kind Please read on and you will understand my problem... I am using the below to extract a sum of the diskIO on a Solaris server. #!/bin/sh PATH=/usr/bin:/usr/sbin:/sbin; export PATH TEMP1="/tmp/raw-sar-output.txt$$"...

LEARN ABOUT SUNOS

face

face(1) 							   User Commands							   face(1)

NAME

       face - executable for the Framed Access Command Environment Interface

SYNOPSIS

       face [-i init_file] [-c command_file] [-a alias_file] [filename...]

DESCRIPTION

       The  Framed  Access  Command  Environment Interface (FACE) presents your files and file folders on the screen through a system of menus and
       forms if you are properly set up as a FACE user.

       filename must follow the naming convention Menu.xxx for a menu, Form.xxx for a form, and Text.xxx for a text file, where xxx is any  string
       that  conforms  to  the	UNIX   system  file  naming conventions. The Form and Menu Language Interpreter (FMLI) descriptor lifetime will be
       ignored for all frames opened by argument to face. These frames have a lifetime of immortal by default. If filename is not specified on the
       command line, the  FACE Menu will be opened along with those objects specified by the
	LOGINWIN environment variables. These variables are found in the user's .environ file.

OPTIONS

       The following options are supported:

       -a alias_file	       Alias file

       -c command_file	       Command file

       -i init_file	       Initial file

OPERANDS

       The following operand is supported:

       filename        The full pathname of the file describing the object to be opened initially.

EXIT STATUS

       The face command will return a non-zero exit value if the user is not properly set up as a  FACE user.

FILES

       $HOME/pref/.environ

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWfac			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       env(1), attributes(5)

SunOS 5.10							    5 Jul 1990								   face(1)

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