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Centerized a String

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Submitted on: 2/19/2002 1:14:31 AM
By: ram2i 
Level: Intermediate
User Rating: Unrated
Compatibility:5.0 (all versions)

Users have accessed this code 1912 times.
 

 
     type your string and it will be centered. program will determine your terminal size using stty -a command, and calculate the string position on terminal before display it(in center post).

 
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Terms of Agreement:   
By using this code, you agree to the following terms...   
1) You may use this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.   
2) You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.   
3) You may link to this code from another website, but ONLY if it is not wrapped in a frame. 
4) You will abide by any additional copyright restrictions which the author may have placed in the code or code's description.

    =**************************************
    = Name: Centerized a String
    = Description:type your string and it wi
    =     ll be centered. program will determine y
    =     our terminal size using stty -a command,
    =     and calculate the string position on ter
    =     minal before display it(in center post).
    =     
    = By: ram2i
    =
    =This code is copyrighted and has    = limited warranties.Please see http://w
    =     ww.Planet-Source-Code.com/vb/scripts/Sho
    =     wCode.asp?txtCodeId=287&lngWId;=6    =for details.    =**************************************
    
    print "Centerized Your String\n";
    print "Written by Ram2i (ram2i\@hotmail.com)\n\n";
    ############################################
    # stty -a : find your current settings
    # >filename : save the o/p of the stty cmd into a file
    ############################################
    system "stty -a >$ENV{HOME}/temp.dat";
    sysopen(FILE, "$ENV{HOME}/temp.dat", O_RDONLY) or die "$!\n";
    while(<FILE>) 
    {
    # assign to $line if "rows" label found
    $line = $_ if($_ =~ m/rows/);
    }
    # split and put into an array
    @line = split(/;/, $line);
    # trim the str first, then put into new array
    for($i=0; $i<$#line; $i++) 
    {
    $data[$i] = trim($line[$i]);
    }
    for($i=0; $i<$#line; $i++) {
    $post = rindex($data[$i], "="); #backward search, last index
    $data[$i] = trim(substr($data[$i], $post+1, length($data[$i])));
    }
    ############################################
    # data[0] = rows
    # data[1] = columns
    # data[2] = ypixels
    # data[3] = xpixels
    ############################################
    print "TYPE STRING: ";
    chomp($str = <STDIN>);
    print "\n\n";
    print "OUTPUT:\n";
    print "-" x $data[1], "\n";
    print " " x (($data[1] - length($str))/2 ),"$str\n";
    print "-" x $data[1], "\n";
    print "\n\nWallahhh!! It is centered!!!";
    close FILE;
    unlink "$ENV{HOME}/temp.dat";
    ############################################
    # trimming blanks from string
    ############################################
    sub trim 
    {
    my $str = $_[0];
    $str =~ s/^\s+//;
    $str =~ s/\s+$//;
    return $str;
    }


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