Hi,
I am new in unix.
I have below requirement:
I have two files at the same directory location
File1.txt and File2.txt (just an example, real scenario we might have File2 and File3 OR File6 and File7....)
File1.txt has :
File2.txt has:
I want to keep File2.txt as below and delete the File1.txt.
File2.txt will have:
Can anyone please provide some help here.
Last edited by zaxxon; 04-28-2011 at 02:00 PM..
Reason: code tags
...
i have 4 files to concatenate but in a certain order and i wanted to do it in a shorter one line command , if possible !
4 files : file , file0 , file1 and file2
file1 into file2
file0 into the result
file into the result
thanks in advance
Christian (1 Reply)
I'm trying to concatenate records from 2 files and output it to a third file. The problem I'm running into is that it seems like the "While" command is limited to processing one file at a time. It seems like you could read a record from file1 into a variable. Then do the same for the for file2.... (4 Replies)
HI
I need to concatenate two files which are having headers. the result file should contain only the header from first file only and the header in second file have to be skipped.
file1:
name age
sriram 23
file2
name age
prabu 25
result file should be
name age
sriram 23
prabu ... (6 Replies)
hi all,
I have a requirement where in i have to read all the filenames based on a pattern from a directory and concatenate all these file names and write it to another file.
i am using the following code to do this
var1=''
for filename in $_DIR/${FILE_NAME}*
do
if
if
then... (7 Replies)
Need a Unix command to save the last 20 versions of a file in a specific directory and delete everything else. Date is irrelevant. Anyone aware of such an animal?
In my test, I came up with:
ls -t1 /tmp/testfile* | tail -n +20 | xargs rm
I don’t quite trust the author though! (1 Reply)
Hi
I have one directory whose name i don't remember exactly only starting letter i know which is Resp.
Can you please let me know the command to find the similar directory in the root.
Rajesh (3 Replies)
Hi,
I have a unix file with the below structure -
CustId1 CustName1 CustPhn1 /u/home/xmldata/A000001
CustId2 CustName2 CustPhn2 /u/home/xmldata/A000002
CustId3 CustName3 CustPhn3 /u/home/xmldata/A000003
Then I have another unix directory /u/home/xmldata
This directory has... (3 Replies)
Hi,
I have file in my $datadir as below :-
SAT_1.txt
SAT_2.txt
BAT_UD.lst
BAT_DD1.lst
DUTT_1.txt
DUTT_la.txt
Expected result :-
should get all the above file in $<Filename>_file.lst
Below is my code :-
for i in SAT BAT DUTT
do
touch a.lst
cd $datadir (1 Reply)
So, I have a directory tree that has many files named thusly:
X_REVY.PDF
I need to find any files that have the same X portion (which can be nearly anything) as any another file (in any directory) but have different Y portions (which can be any number from 1-99).
I then need it to return... (3 Replies)
Hello,
I need to move all the files inside /XYZ (has multi-depth sub directories) that are older than 14 days to/ABC directory but with retaining the SAME directory structure.
for example:
/XYZ/1/2/3/A/b.txt should be moved as /ABC/1/2/3/A/b.txt
I know about find /XYZ -type f -mtime +14... (3 Replies)
Discussion started by: prvnrk
3 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)