Dear Folks :),
I am new to UNIX scripting and I do not know how can I insert some text in the first column of a UNIX text file at command promtp.
I can do this in vi editor by using this command :g/^/s//BBB_
e,g I have a file named as Test.dat and it containins below text:
michal... (4 Replies)
Hi all,
I need to insert new text and change existing text in a file. For that I used the below line in the command line and got the expected output.
sed '$a\
hi...
' shell > shell1
But I face problem when using the same in script. It is throwing the error as,
sed: command garbled:... (4 Replies)
Hi ,
I need some inputs on how to open a file (file.txt) and parse the text example aaa of the file and bbb of the file and add the text zzzz once i parse (aaa and bbb) and followed by the remaining of the text as it is in the file using perl programming.
Thanks in advance (3 Replies)
I need help on how I can accomplish my task. I hope someone can help me since I've researching and trying to accomplish this for hours now. Basically, I need to comment-out (or insert a # sign in the beginning of the line) a line when the line has the specific word I am searching. Example I have... (3 Replies)
this is Korn shell unix.
The scenario is I have a pipe delimited text file which needs to be customized. say for example,I have a pipe delimited text file with 15 columns(| delimited) and 200 rows. currently the 11th and 12th column has null values for all the records(there are other null columns... (4 Replies)
Hi,
I am new to unix. I need to insert a variable which contains some lines of text into a text file after fixed number of lines..
Please help me on this..
Thanks in Advance,
Amrutha (3 Replies)
Hi
I am trying to insert a block of text 2 lines above a pattern match using sed
eg
#Start of file entry
{
}
#End of file entry
new bit of text has to be put in just above the } eg
#Start of file entry
{
New bit of text
}
#End of file entry (7 Replies)
Hi!
Considering below text, how would I use sed to insert text right below the v0005-line, using the SEPARATOR-line as a pattern to search for, so two lines above the separator? I can do it right above the separator, but not 2 lines...
# v0004 - Some text
# v0005 - More text
#... (5 Replies)
Hello, I am trying to insert a section of text between lines in another text file.
The new lines to be inserted are:
abcd.efgh.zzzz=blah
abcd.efgh.xxxx=blah
Where N = 0 to 2
Original File:
abcd.efgh.wwxx=aaaaa
abcd.efgh.yyzz=bbbbb
abcd.efgh.wwxx=aaaaa
abcd.efgh.yyzz=bbbbb... (3 Replies)
I want to insert "Text" in each file as a place where I mentioned below "Insert Text Here". These files are something like news of newspaper. Generally, newspaper headlines contain one or two lines.
I don't know how it can be identified whether Text is inserted after first line or second line.
... (10 Replies)
Discussion started by: imranrasheedamu
10 Replies
LEARN ABOUT DEBIAN
io::async::protocol::linestream
IO::Async::Protocol::LineStream(3pm) User Contributed Perl Documentation IO::Async::Protocol::LineStream(3pm)NAME
"IO::Async::Protocol::LineStream" - stream-based protocols using lines of text
SYNOPSIS
Most likely this class will be subclassed to implement a particular network protocol.
package Net::Async::HelloWorld;
use strict;
use warnings;
use base qw( IO::Async::Protocol::LineStream );
sub on_read_line
{
my $self = shift;
my ( $line ) = @_;
if( $line =~ m/^HELLO (.*)/ ) {
my $name = $1;
$self->invoke_event( on_hello => $name );
}
}
sub send_hello
{
my $self = shift;
my ( $name ) = @_;
$self->write_line( "HELLO $name" );
}
This small example elides such details as error handling, which a real protocol implementation would be likely to contain.
DESCRIPTION EVENTS
The following events are invoked, either using subclass methods or CODE references in parameters:
on_read_line $line
Invoked when a new complete line of input is received.
PARAMETERS
The following named parameters may be passed to "new" or "configure":
on_read_line => CODE
CODE reference for the "on_read_line" event.
METHODS
$lineprotocol->write_line( $text )
Writes a line of text to the transport stream. The text will have the end-of-line marker appended to it; $text should not end with it.
AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
perl v5.14.2 2012-10-24 IO::Async::Protocol::LineStream(3pm)