02-08-2012
It looks extremely bizzare to me, too. I have no idea why they'd "parallel" a single file, or even how...
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I'm using sed for Windows at a WinNT command prompt. Wrapping the expressions with single quotes doesn't work. I have to use double quotes. Is this the norm for the Windows implementation? (2 Replies)
Discussion started by: daddydojo
2 Replies
2. UNIX for Dummies Questions & Answers
Hi All,
could any expert tell me about writing a parallel processing program using AWK program is possible or not? Any example would be much appreciated...
With Regards / Mysore Ganapati :confused: (5 Replies)
Discussion started by: ganapati
5 Replies
3. UNIX for Dummies Questions & Answers
Hello,
I'm working on unix with grep (GNU grep) 2.5.1. I'm going through some of the newer regex syntax using Regular Expression Reference - Advanced Syntax a guide.
ls -aLl /bin | grep "\(x\)"
Which works, just highlights 'x' where ever, when ever.
I'm trying to to get (?:) to work but... (4 Replies)
Discussion started by: MykC
4 Replies
4. Shell Programming and Scripting
i want to print the statement below using awk,but i am unable to get the quotes
("22345",1,"Thank you");
How can i do this (5 Replies)
Discussion started by: tomjones
5 Replies
5. Shell Programming and Scripting
i'm trying to write a bash script that executes a mysql statement
mysql -sN -e INSERT INTO "$database"."$tableprefix"users (var1, var2,var3) VALUES (123, '1','')
i don't know where to put the quotes
it doesnt work with this one: `
it seems i can only put double quotes around the... (0 Replies)
Discussion started by: vanessafan99
0 Replies
6. Shell Programming and Scripting
I want to execute awk command without quotes.
who am i | awk {'print $2'}
above code should be something like:
who am i | awk {print $2}
Why such weird requirement?
Im assigning command to a variable, hence i need to escape the quotes.
e.g:
x='who am i | awk {\'print $2\'}'
I want... (11 Replies)
Discussion started by: Arun_Linux
11 Replies
7. Shell Programming and Scripting
Original script written on CentOS 6.3 with GNU bash 4.1.2
Destination system is Solaris 9 with GNU bash 2.05 (not changeable by me)
I have a script written on the linux side but now we need to provide a version to another site that "doesn't like linux". I've been going through changing the ] or... (13 Replies)
Discussion started by: oly_r
13 Replies
8. Shell Programming and Scripting
Hi All,
I have input data like follows:
"1234"|"ABC"
"1234"|"CBA"
"1222"|"ZZZ"
I am trying to awk print all records where Col1 = "1234".
Below is the code I have so far:
Var1=1
Var2=1234
awk -F "|" "$ ${Var1} == "\"${Var2}\"" { print; }' inputfile
However when the AWK... (2 Replies)
Discussion started by: RichZR
2 Replies
9. Shell Programming and Scripting
Hello, i had a problem running a script , and after investigation found its all to do with the quotes:
cat file1
line1
val1
val2
line2
val1
val2
line3
val1
val2
awk 'BEGIN {RS="\n\n"; FS="\n";} {print $1 $2}' file1
This gives me the wrong output: (5 Replies)
Discussion started by: andy391791
5 Replies
10. Shell Programming and Scripting
Hello,
I have a 4 core machine.
Here is my initial script
cd /work/
python script.py input.txt output.txt 1 2 3
This script runs for 1.5hrs.
So I read across the web and figured out that you can use GNU parallel to submit multiple jobs using parallel. But I am not sure if I can run... (4 Replies)
Discussion started by: jacobs.smith
4 Replies
LEARN ABOUT DEBIAN
parallel-scp
PARALLEL-SCP(1) PARALLEL-SCP(1)
NAME
parallel-scp - parallel versions of scp
SYNOPSIS
parallel-scp [OPTIONS] -h hosts.txt local remote
DESCRIPTION
pssh provides a number of commands for executing against a group of computers, using SSH. It's most useful for operating on clusters of
homogenously-configured hosts.
parallel-scp copy files in parallel to a set of machines.
OPTIONS
-r --recursive
recusively copy directories (OPTIONAL)
-h --hosts
hosts file (each line "host[:port] [user]")
-l --user
username (OPTIONAL)
-p --par
max number of parallel threads (OPTIONAL)
-o --outdir
output directory for stdout files (OPTIONAL)
-e --errdir
output directory for stderr files (OPTIONAL)
-t --timeout
timeout (secs) (-1 = no timeout) per host (OPTIONAL)
-O --options
SSH options (OPTIONAL)
-v --verbose
turn on warning and diagnostic messages (OPTIONAL)
EXAMPLE
The following example runs hostname on three machines (IPs or hostnames) specified in the file ips.txt using login irb2 and saves the
output in /tmp/foo.
# parallel-scp -h ips.txt -l irb2 /etc/hosts /tmp/hosts
Success on 128.112.152.122:22
Success on 18.31.0.190:22
Success on 128.232.103.201:22
ENVIRONMENT
All four programs take similar sets of options. All of these options can be set using the following environment variables:
o PSSH_HOSTS
o PSSH_USER
o PSSH_PAR
o PSSH_OUTDIR
o PSSH_VERBOSE
o PSSH_OPTIONS
SEE ALSO
parallel-ssh(1), parallel-slurp(1), parallel-nuke(1), parallel-rsync(1), ssh(1), scp(1),
AUTHOR
Brent N. Chun <bnc@theether.org>
COPYING
Copyright: 2003, 2004, 2005, 2006, 2007 Brent N. Chun
NOTES
1. bnc@theether.org
mailto:bnc@theether.org
03/30/2009 PARALLEL-SCP(1)