|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
Perl: combine Backtick & system() I/O operation?
Post 302425828 by jeffw_00 on Sunday 30th of May 2010 03:10:10 PM
05-30-2010
Ummm - well thanks then. Although a useful answer, it doesn't match my question 
.
Is there any way to direct the output of a system cmd to an array and the screen simultaneously?
.Is there any way to direct the output of a system cmd to an array and the screen simultaneously?
|
|
10 More Discussions You Might Find Interesting
1. UNIX Desktop Questions & Answers
Does anyone can write a thread to teach me how to install Windows 2000, RH Linux, and FreeBSD unix in one machine step by step? Or someone's already done with this topic? (1 Reply)
Discussion started by: HOUSCOUS
1 Replies
2. Ubuntu
I am a stranger here ,where can i get the operation for free.thank you! (2 Replies)
Discussion started by: tcb3210
2 Replies
3. UNIX for Dummies Questions & Answers
hi, all,
i saw a syntax like this
usr/local/mpiexec -np 8 /home/XXXX/program_exe >& ./temp/out
the output will be put into ./temp/out.
I want to know the meaning of the operation symbol '>&'.
Thanks (3 Replies)
Discussion started by: cy163
3 Replies
4. Shell Programming and Scripting
Hi Everyone,
i have a string 00:44:40
so:
$tmp=~ s/://gi;
$tmp=~s/({2})({2})({2})/$1*3600+$2*60+$3/e;
the output is 2680.
Any way to combine this two lines into a single line?
Thanks (4 Replies)
Discussion started by: jimmy_y
4 Replies
5. Shell Programming and Scripting
When trying to use backticks for system commands, is there a way to read the error messages if a command doesn't execute properly?
I have no problem getting the results if the command is properly executed.
Ex.
my @result = `dir`;
foreach my $line (@result) {
print "Result = $line";... (2 Replies)
Discussion started by: kooshi
2 Replies
6. Linux
Am actually am new to the linux operating system and knda wana knw more about it.Please could u help me with some commands so i can start with that first.Really need your help (5 Replies)
Discussion started by: GODBLESSME
5 Replies
7. UNIX for Dummies Questions & Answers
Are system calls atomic operations?
Is a system call can be interrupted? (2 Replies)
Discussion started by: vistastar
2 Replies
8. Shell Programming and Scripting
I am trying to enter a third column in this file, but the third column should that I call "Math" perform a some math calculations based on the value found in column #2.
Here is the input file:
Here is the desired output:
Output
GERk0203078$ Levir Math
Cotete_1... (5 Replies)
Discussion started by: Ernst
5 Replies
9. AIX
I can get my AIX servers to show up in SCOM but I'm struggling with running personal scripts and have the result of these scripts show up in SCOM.
I'm currently using BigBrother and I've written some scripts for BB. I would like to convert these scripts to something that can be used in SCOM.
... (0 Replies)
Discussion started by: petervg
0 Replies
10. Shell Programming and Scripting
Hi All,
I want to display the distinct values in the file and for each distinct value how may occurance or there.
Test data:
test1.dat
20121105
20121105
20121105
20121105
20121106
20121106
20121106
20121105
I need to display the output like
Output (2 Replies)
Discussion started by: bbc17484
2 Replies
LEARN ABOUT CENTOS
trace-cmd-options
TRACE-CMD-OPTIONS(1) TRACE-CMD-OPTIONS(1) NAME
trace-cmd-options - list available options from trace-cmd plugins SYNOPSIS
trace-cmd options DESCRIPTION
The trace-cmd(1) options command will examine all the trace-cmd plugins that are used by trace-cmd report(1) and list them. SEE ALSO
trace-cmd(1), trace-cmd-record(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1), trace-cmd-listen(1) AUTHOR
Written by Steven Rostedt, <rostedt@goodmis.org[1]> RESOURCES
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git COPYING
Copyright (C) 2011 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL). NOTES
1. rostedt@goodmis.org mailto:rostedt@goodmis.org 06/11/2014 TRACE-CMD-OPTIONS(1)