can you redirect STDIN with command arguments?
I have tried this approach:
# ./script -option <argument1> <argument2> 0<$2
# $2: ambiguous redirect
Is this possible? (4 Replies)
Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:... (2 Replies)
Hi all
I've run into a snag in a program of mine where part of what I entered in at the start of run-time, instead of the current value within printf() is being printed out.
After failing with fflush() and setbuf(), I tried the following approach
void BufferFlusher()
{
int in=0;... (9 Replies)
Hi,
I am working on a project where I have to generate and execute nasm code on-the-fly. I generate the code in a file program.asm and then execute it.This output is to stdout which i redirect to an output file which i read back to compare results:
system("nasm -f elf program.asm >... (5 Replies)
All,
Ok...so I know I *should* be able to control a process's stdin and stdout from the parent by creating pipes and then dup'ing them in the child. And, this works with all "normal" programs that I've tried. Unfortunately, I want to intercept the stdin/out of the scp application and it seems... (9 Replies)
Hi,
i am using the below program to read from the standard input or to write to standard out put.
i know that using highlevel functions this can be done better than what i have done here.
i just want to know is there any other method by which i find the exact number of characters ( this... (3 Replies)
I want to differentiate the STDOUT and STDERR messages in my terminal .
If a script or command is printing a message in terminal I want to differentiate by colors,
Is it possible ?
Example:
$date
Wed Jul 27 12:36:50 IST 2011
$datee
bash: datee: command not found
$alias ls
alias... (2 Replies)
Well.. let's say i need to write a pretty simple script.
In my script i have 2 variables which can have value of 0 or 1.
$VERBOSE
$LOG
I need to implement these cases:
($VERBOSE = 0 && $LOG = 0) => ONLY ERROR output (STDERR to console && STDOUT to /dev/null)
($VERBOSE = 1... (5 Replies)
Discussion started by: Marmz
5 Replies
LEARN ABOUT DEBIAN
sdl::color
pods::SDL::Color(3pm) User Contributed Perl Documentation pods::SDL::Color(3pm)NAME
SDL::Color - Format independent color description
CATEGORY
Core, Video, Structure
SYNOPSIS
my $black = SDL::Color->new(0, 0, 0);
my $color = SDL::Color->new(255, 0, 0);
my $r = $color->r; # 255
my $g = $color->g; # 0
my $b = $color->b; # 0
$color->g(255);
$color->b(255);
# $color is now white
DESCRIPTION
"SDL_Color" describes a color in a format independent way.
METHODS
new
my $color = SDL::Color->new(255, 0, 0);
The constructor creates a new color with the specified red, green and blue values.
r
my $r = $color->r;
$color->r(128);
If passed a value, this method sets the red component of the color; if not, it returns the red component of the color.
g
my $g = $color->g;
$color->g(128);
If passed a value, this method sets the green component of the color; if not, it returns the green component of the color.
b
my $b = $color->b;
$color->b(128);
If passed a value, this method sets the blue component of the color; if not, it returns the blue component of the color.
SEE ALSO
SDL::Surface
AUTHORS
See "AUTHORS" in SDL.
perl v5.14.2 2012-05-28 pods::SDL::Color(3pm)