G'day guys, first post so be gentle.
I need help with some code to work out if a variable (string) contains any integers. The valid variable (string) must contain only letters.
Also need to be able to work out if a variable contains only integers.
Any help greatly appreciated. (7 Replies)
hi,
I need to create an IF condition. I read a line from a file and get the 5 word using space as a delimited. This word can have only two values either '*' or '1-5'
I need to write an IF condition for two cases. I can either compare it to * or 1-5(or even 1 by cutting and getting only the... (3 Replies)
Hi all,
is there an easy way to convert integer to string in bash?
I have numbers like 1, 2, ..., 112, ...
and I would like to get
001 002 003 004 ...
Thank you,
Sarah (4 Replies)
attempting the hangman program. This was an optional assignment from the professor. I have completed the logical coding, debugging now.
##I have an array $wordString that initializes to a string of dashes
##reflecting the number of letters in $theWord
##every time the user enters a (valid)... (5 Replies)
In each line of file, I wish to check if word1 is a non-connected subset of any of the other words in the line. If yes, keep only the words that ward1 is a subset of. Else, remove the whole line.
Also, I want to remove the letters that word1 doesn't match with, except for "_+"
Example file:... (2 Replies)
Hi Experts,
I am finding difficulty to get exact match:
file
OPERATING_SYSTEM=HP-UX
LOOPBACK_ADDRESS=127.0.0.1
INTERFACE_NAME="lan3"
IP_ADDRESS="10.53.52.241"
SUBNET_MASK="255.255.255.192"
BROADCAST_ADDRESS=""
INTERFACE_STATE=""
DHCP_ENABLE=0
INTERFACE_NAME="lan3:1"... (6 Replies)
I am on HP-UX using ksh in the script.
MaxSal=`sqlplus -silent /nolog <<EOF
connect / as sysdba
whenever sqlerror exit sql.sqlcode
set pagesize 0 feedback off verify off heading off echo off
select max(sal) from emp1;
select max(sal) from emp2;
select max(sal) from emp3;
exit;
EOF`... (3 Replies)
Hi there,
I am trying to remove al letters after : character on specific columns from 10th column till 827. I used sed and cut to do so but I am sure there is better one liner someone can think of from unix community members.
Huge file but it has this structure (Total number of Columns =... (10 Replies)
Discussion started by: daashti
10 Replies
LEARN ABOUT DEBIAN
io::async::pid
IO::Async::PID(3pm) User Contributed Perl Documentation IO::Async::PID(3pm)NAME
"IO::Async::PID" - event callback on exit of a child process
SYNOPSIS
use IO::Async::PID;
use POSIX qw( WEXITSTATUS );
use IO::Async::Loop;
my $loop = IO::Async::Loop->new;
my $kid = $loop->fork(
code => sub {
print "Child sleeping..
";
sleep 10;
print "Child exiting
";
return 20;
},
);
print "Child process $kid started
";
my $pid = IO::Async::PID->new(
pid => $kid,
on_exit => sub {
my ( $self, $exitcode ) = @_;
printf "Child process %d exited with status %d
",
$self->pid, WEXITSTATUS($exitcode);
},
);
$loop->add( $pid );
$loop->run;
DESCRIPTION
This subclass of IO::Async::Notifier invokes its callback when a process exits.
For most use cases, a IO::Async::Process object provides more control of setting up the process, connecting filehandles to it, sending data
to and receiving data from it.
EVENTS
The following events are invoked, either using subclass methods or CODE references in parameters:
on_exit $exitcode
Invoked when the watched process exits.
PARAMETERS
The following named parameters may be passed to "new" or "configure":
pid => INT
The process ID to watch. Must be given before the object has been added to the containing "IO::Async::Loop" object.
on_exit => CODE
CODE reference for the "on_exit" event.
Once the "on_exit" continuation has been invoked, the "IO::Async::PID" object is removed from the containing "IO::Async::Loop" object.
METHODS
$process_id = $pid->pid
Returns the underlying process ID
$pid->kill( $signal )
Sends a signal to the process
AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
perl v5.14.2 2012-10-24 IO::Async::PID(3pm)