I am writing a C program that part of the idea is to using a command line parameter to control not to run certain part of the sub program.
I am totally new to C, I do not have any idea how to pass a command line arguments from a C program.
Can anyone help ?!
Thanks (3 Replies)
Anyone know how to set it up so that when at command line in unix (specifically solaris 2.5.1), and you hit the tab it will finish the command with the nearest file that matches? AND how to set it up so using up and down arrows access your previous commands?
Thanks for all the help here, i've had... (3 Replies)
Say I have (in psuedocode)
For i=1 to 10
tar cvfb /... 5*i /junk(i)
end
What I mean is that I want each successive for loop to have the block size parameter be 5 times the current counter. This isn't my actual code, just a stupid example...So the question is how do I descrive that parameter... (2 Replies)
I had posted previously about this problem I had.
I have multiple text files with hundreds of lines of the following type:
2000001 34 54 234 2000001
32 545 2000001 -2000001 77 2000001 44 2000001 998 2000001
77 32 2000001 45 23 111 89
98 75 23 34 999
.
.
.
etc...
What I wanted was... (2 Replies)
"$#" gives the number of command-line arguments. How do you get the last command-line parameter (or any particular one determined by a variable)? I thought it would be "${$#}", but that produces something completely unexpected. (4 Replies)
could someone show me a sample command line option driven script?
i want to see an easy way to write one and how i can execute it using command line options such as typing in
read.pl -i <id> -c <cmds> -s <start> -e <end>
would read out all the commands run by ID . from start time to... (7 Replies)
so in unix this command works works and shows me a list of directories
find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt
but when i try running a perl script to run this command
my $query = 'find . -name \*.xls -exec dirname {} \; | sort -u | > list.txt';... (2 Replies)
Hello everyone,
I have a perl script which takes various command line options from user like :
test.pl -i <input_file> -o <output_file> -d <value> -c <value>
Now I have multiple input files in a directory:
<input_file_1>
<input_file_2>
<input_file_3>
<input_file_4>
.....
....
...... (6 Replies)
I have a simple script that builds a complex program call which passes a number of parameters to the program. I'm trying to enhance the script to include the value of the command line parameter in the name of a file being created. The problem I'm having is that the parameter may include a forward... (11 Replies)
Discussion started by: pbmax626
11 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)