Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Reading data into muti-dimentional array - in perl
Top Forums Shell Programming and Scripting Reading data into muti-dimentional array - in perl Post 50807 by cbkihong on Monday 3rd of May 2004 08:18:35 AM
Old 05-03-2004
Re: Reading data into muti-dimentional array - in perl
I don't really know why you put your program like this as it seems really awkward, but this seems like this may do you want:

Quote:
Originally posted by zap
#!/usr/bin/perl

open (InFILE,"input");

while (<InFILE> ) {

my @ar = split ;

$arref = \@ar;

push(@multiarray,$arref);

}

for ($i=0;$i<4;$i++){
for ($j=0;$j<4;$j++){

print " $multiarray[$i][$j] ";
} }
Output:

1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7


Hint: the "my" is crucial here --- you have made your program unnecessarily complex that you have actually set for yourself a subtle trap without your realizing it that is tedious to locate. Why "my" is needed here is left for your exploration to encourage you to find out the answer yourself.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

PERL: reading 2 column data into Hash file

I am trying to read in a 2 column data file into Perl Hash array index. Here is my code. #!/usr/bin/perl -w use strict; use warnings; my $file = "file_a"; my @line = (); my $index = 0; my %ind_file = (); open(FILE, $file) or die($!); while(<FILE>) { chomp($_); if ($_ eq '') { ... (1 Reply)
Discussion started by: subhap
1 Replies

2. Shell Programming and Scripting

Perl: Reading data from other file

Hi, I am writting some perl scripts for daily backup process. In which I want to pass some data/referance from another txt file. Text file contains only one column and multiple rows. I want to pass this data to variables of another perl script. e.g. Refdoc.txt file contains data as: perl1... (3 Replies)
Discussion started by: n.dba
3 Replies

3. Shell Programming and Scripting

Storing data in perl 2D array

Respected All, Kindly help me out. I have got file listings in a directory like this: -rw-r--r-- 1 root root 115149 2011-11-17 07:15 file1.stat.log -rw-r--r-- 1 root root 115149 2011-11-18 08:15 file2.stat.log -rw-r--r-- 1 root root 115149 2011-11-19 09:15 file3.stat.log -rw-r--r-- 1... (2 Replies)
Discussion started by: teknokid1
2 Replies

4. Shell Programming and Scripting

Perl Script for reading table format data from file.

Hi, i need a perl script which reads the file, content is given below. and output in new file. TARGET DRIVE IO1 IO2 IO3 IO4 IO5 ------------ --------- --------- --------- --------- --------- 0a.1.8 266 236 ... (3 Replies)
Discussion started by: asak
3 Replies

5. Shell Programming and Scripting

Reading from a file and assigning to an array in perl

I wrote a simply perl that searched a file for a particualr value and if it found it, rite it and the next three lines to a file. Now I have been asked to check those next three lines for a different value and only write those lines if it finds the second value. I was thinking the best way to... (1 Reply)
Discussion started by: billprice13
1 Replies

6. Shell Programming and Scripting

reading data from a file to an array

I need some help with this code below, i doesnt know why it will run twice with my function, but my function only got if else, any other way that can read line and put into array? while read line; do read -A array <<<$line n=${#array} for ((i=1;i<$n;i++)); do print... (1 Reply)
Discussion started by: gavin_L
1 Replies

7. Shell Programming and Scripting

Perl : Large amount of data put into an array

This basic code works. I have a very long list, almost 10000 lines that I am building into the array. Each line has either 2 or 3 fields as shown in the code snippit. The array elements are static (for a few reasons that out of scope of this question) the list has to be "built in". It... (5 Replies)
Discussion started by: sumguy
5 Replies

8. Shell Programming and Scripting

Perl :: reading values from Data Dumper reference in Perl

Hi all, I have written a perl code and stored the data into Data structure using Data::Dumper module. But not sure how to retreive the data from the Data::Dumper. Eg. Based on the key value( Here CRYPTO-6-IKMP_MODE_FAILURE I should be able to access the internal hash elements(keys) ... (1 Reply)
Discussion started by: scriptscript
1 Replies

9. Shell Programming and Scripting

Perl : reading data from dumper variable

Hi team, # PERL I have Dumper variable in perl and containing the below data and trying to fetch value and name from the reference variable. $VAR1 = { 'retainSysIds' => 'true', 'variables' => , 'name' => , ... (4 Replies)
Discussion started by: giridhar276
4 Replies

10. Shell Programming and Scripting

How to embed data instead of reading user input from an array?

Hello, I am running under ubuntu1 14.04 and I have a script which is sending given process names to vanish so that I'd see less output when I run most popular tools like top etc in terminal window. In usual method it works. Whenever I restart the system, I have to enter the same data from... (2 Replies)
Discussion started by: baris35
2 Replies

LEARN ABOUT CENTOS

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)
All times are GMT -4. The time now is 07:38 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy