Hi everybody
for file in *
#Bash performs filename expansion
#+ on expressions that globbing recognizes.
do
output="`grep -n "$1" "$file"`"
echo "$file: `expr "$output" : '\(^.*$\)'`"
done
In the above bash script segment, I try to print just the first line of string named... (3 Replies)
Hi Friends,
I am new to UNIX. I wonder how can I get the ipaddress of my machine? In windows, i can use ipconfig to get my ipaddress. I am aware of ifconfig but it does not give the ipaddress.:)
Thanks and regards,
Dinesh Venkatesan. (4 Replies)
Hi all,
I have one question regarding sed regexp (or any regexp in general),
I have some path like this
C:/Abc/def/ghi/jkl in a file file1
Now if i use following code
cat file1 | sed 's#\(.*\)/.*#\1#'
Now it give me following output
C:/Abc/def/ghi, which is fine
But i just... (2 Replies)
i am totally confused now, when I use find command, why it does not take the regular express as filename?
for example, i want to find out anything include word "chapter" in their file names, and i used the below command
find / -name ".*chapter.*"
and the system gives me nothing, although... (2 Replies)
Hi,
I searched in the forums, but I didn't find a good solution. My problem is:
I have a string like "TEST.ABC201005.MONTHLY.D101010203".
I just want to have the string until the D100430, so that the string should look like: "TEST.ABC201005.MONTHLY.D"
The last characters after the D can be... (8 Replies)
Hi,
I'm curious about how to do a very simple thing with regular expressions that I'm unable to figure out.
If I want to find out if a string contains 'a' AND 'b' AND 'c' it can be very easily done with grep:
echo $STRING|grep a|grep b|grep c
but, how would you do that in a single... (9 Replies)
There is a linux server in my team where everyone is using xterm to connect to the server and work.
Problem is I'm unable to find the ipaddress of the xterm user. It just shows the display as "localhost".
example:
st_capuk@MGTS5026-13sh1:~> ps -eaf | grep xterm
1010 9328 9327 0 May07 ?... (2 Replies)
I'm probably just not thinking of the correct term to search for :-) But I want to match a pattern that might be 'ABC' or '1ABC' there might be three characters, or there might be four, but if there are four, the first has to be 1 (1 Reply)
Trying to find and replace one string with another string in a file
#!/usr/bin/perl
$csd_table_path = "/file.ntab";
$find_str = '--bundle_type=021';
$repl_str = '--bundle_type=021 --target=/dev/disk1s2';
if( system("/usr/bin/perl -p -i -e 's/$find_str/$repl_str/' $csd_table_path")... (2 Replies)
Discussion started by: cillmor
2 Replies
LEARN ABOUT CENTOS
gd::barcode::code39
Barcode::Code39(3) User Contributed Perl Documentation Barcode::Code39(3)NAME
GD::Barcode::Code39 - Create Code39 barcode image with GD
SYNOPSIS
ex. CGI
use GD::Barcode::Code39;
binmode(STDOUT);
print "Content-Type: image/png
";
print GD::Barcode::Code39->new('*CODE39IMG*')->plot->png;
with Error Check
my $oGdBar = GD::Barcode::Code39->new('*123456789;*');
die $GD::Barcode::Code39::errStr unless($oGdBar); #Invalid Characters
DESCRIPTION
GD::Barcode::Code39 is a subclass of GD::Barcode and allows you to create CODE-39 barcode image with GD. This module based on "Generate
Barcode Ver 1.02 By Shisei Hanai 97/08/22".
new
$oGdBar = GD::Barcode::Code39->new($sTxt);
Constructor. Creates a GD::Barcode::Code39 object for $sTxt.
plot()
$oGd = $oGdBar->plot([Height => $iHeight, NoText => 0 | 1]);
creates GD object with barcode image for the $sTxt specified at new method. $iHeight is height of the image. If NoText is 1, the image has
no text image of $sTxt.
ex.
my $oGdB = GD::Barcode::Code39->new('*12345*');
my $oGD = $oGdB->plot(NoText=>1, Height => 20);
# $sGD is a GD image with Height=>20 pixels, with no text.
barcode()
$sPtn = $oGdBar->barcode();
returns a barcode pattern in string with '1' and '0'. '1' means black, '0' means white.
ex.
my $oGdB = GD::Barcode::Code39->new('*12345*');
my $sPtn = $oGdB->barcode();
# $sPtn = '';
$errStr
$GD::Barcode::Code39::errStr
has error message.
$text
$oGdBar->{text}
has barcode text based on $sTxt specified in new method.
AUTHOR
Kawai Takanori GCD00051@nifty.ne.jp
COPYRIGHT
The GD::Barocde::Code39 module is Copyright (c) 2000 Kawai Takanori. Japan. All rights reserved.
You may distribute under the terms of either the GNU General Public License or the Artistic License, as specified in the Perl README file.
SEE ALSO
GD::Barcode
perl v5.16.3 2003-05-29 Barcode::Code39(3)