If the commands:
produce the output you want in third.txt after running the command:
what is the difference between third.txt and fourth.txt after you also run:
? Are any diagnostic messages produced by either of these sets of commands? If so, exactly what are those diagnostic messages?
ok.
i am doing a project where i have hand typed in the titles of nearly 500 DVD titles, each one is on a seperate line.
but they arent in any type of alphebetical order, and i need them sorted in that format (A-Z or a-z) .....
i know that the 'sort' command can be used but also know the... (6 Replies)
Haven't worked in bash for ages. did a good bit of shell scripting in regular sh, but have forgotten most of it.
I have several thousand php files that now include the following line at the end of the file. There is no LF or CR/LF before it begins, it is just concatenated to the final line of... (3 Replies)
Hi,
I would like to know if this is possible, and if so what can i do to make this work.
I would like to grep a line X from fileA and then use the output to replace a word Y in fileB.
grep "line X" fileA | sed -e 's/Y/X/g' > outfile
this statement does not work, as i do not know how to... (7 Replies)
I have a txt file with data
abc:def:ghi:jkl:mno pq stu vwx
I want to take out abc what should i do?
I try awk
awk '/abc/ {print $1}' listfile.txt> extendedfile.txt (5 Replies)
Hi,
I am using a linux with bash.
I have a script written which will login to a remote server and from there it runs a "wget" to downlaod a build file from a webserver.
Here is the line inside the script:
ssh -t -q -o StrictHostKeyChecking=no -o ConnectTimeout=5 root@${a}'wget... (4 Replies)
I am downloading numerous files (600 plus) using a 'wget' script. Some files are not downloading and have zero byte size. I am using the following 'find' command to find the files in my cd which have non-zero byte size after the wget script has been run.
find -type f -size +0 -exec basename {}... (3 Replies)
I'm new using Unix commands in applescript. The following script you choose different folders with PDfs, get file count of PDfs on chosen folders, & write the results in text file.
set target_folder to choose folder with prompt "Choose target folders containing only PDFs to count files" with... (0 Replies)
for example, I have a text file in random content inside, maybe something like this.
234234
54654
123134
467456
24234234
7867867
23424
568567if I run this command
cat "filename.txt" | sort -n | grep "^467456$" -A 1 -B 1the result is
234234
467456
568567is it possible to do this command... (2 Replies)
Discussion started by: 14th
2 Replies
LEARN ABOUT DEBIAN
parallel-slurp
PARALLEL-SLURP(1)PARALLEL-SLURP(1)NAME
parallel-slurp - copy files from listed hosts
SYNOPSIS
parallel-slurp [OPTIONS] -h hosts.txt -L destdir remote local
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-slurp gathers specified files from hosts you listed.
OPTIONS -r --recursive
recusively copy directories (OPTIONAL)
-L --localdir
output directory for remote file copies
-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
An example to copy /home/irb2/foo.txt from each host. Files gathered will be stored in /tmp/outdir/hostname/foo.txt.
# prallel-slurp -h hosts.txt -L /tmp/outdir -l irb2
/home/irb2/foo.txt foo.txt
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-scp(1), parallel-nuke(1), parallel-rsync(1), ssh(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-SLURP(1)