Hi everybody:
Could anybody tell me how I can delete repeated rows from a file?, this is, for exemple I have a file like this:
0.490 958.73 281.85 6.67985 0.002481
0.490 954.833 283.991 8.73019 0.002471
0.590 950.504 286.241 6.61451 0.002461
0.690 939.323 286.112 6.16451 0.00246
0.790... (8 Replies)
Hi
I have a file having 1000 rows. Now I would like to remove 10 rows from it. Plz give me the script.
Eg:
input file like
4 1 4500.0 1
5 1 1.0 30
6 1 1.0 4500
7 1 4.0 730
7 2 500000.0 730
8 1 785460.0 45
8 7 94255.0 30
9 1 31800.0 30
9 4 36000.0 30
10 1 15000.0 30... (5 Replies)
I have a file content like below.
"0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","",""
"0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","",""
"0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","",""... (5 Replies)
Hello to all members,
I am very new in unix stuff (shell scripting), but a want to learn a lot. I am a ex windows user but now i am absolutely Linux super user... :D
So i am tryng to made a function to do this:
I have two csv files only with numbers, the first one a have:
1
2
3
4
5... (6 Replies)
I need to delete rows based on the number of lines in a different file, I have a piece of code with me working but when I merge with my C application, it doesnt work.
sed '1,'\"`wc -l < /tmp/fileyyyy`\"'d' /tmp/fileA > /tmp/filexxxx
Can anyone give me an alternate solution for the above (2 Replies)
Say i have a file with X rows and Y columns....i see that in some of the rows,some columns are blank (no value set)...i wish to delete such rows....how can it be done?
e.g
181766 100 2009-06-04
184443 2009-06-04
10962 151 2009-06-04
161 2009-06-04... (7 Replies)
Hi,
I need a unix command to delete first n (say 100) lines from a log file. I need to delete some lines from the file without using any temporary file. I found sed -i is an useful command for this but its not supported in my environment( AIX 6.1 ). File size is approx 100MB.
Thanks in... (18 Replies)
Hi,
To load a big file in a table,I have a make sure that all rows in the file has same number of the columns .
So in my file if I am getting any rows which have columns not equal to 6 , I need to delete it . Delimiter is space and columns are optionally enclosed by "".
This can be ... (1 Reply)
Hi All,
I am new to UNIX . Please help me in writing code to delete all records from the file where all columns after cloumn 5 in file is either 0, #MI or NULL.
Initial 5 columns are string
e.g.
"alsod" "1FEV2" "wjwroe" " wsse" "hd3" 1 2 34 #Mi
"malasl" "wses" "trwwwe" " wsse" "hd3" 1 2 0... (4 Replies)
Discussion started by: alok2082
4 Replies
LEARN ABOUT DEBIAN
speedy_backend
SPEEDY_BACKEND(1p)SPEEDY_BACKEND(1p)NAME
speedy_backend - the backend process for a persistent Perl interpreter
SYNOPSIS
none ; this program is not meant to be called directly.
DESCRIPTION
speedy, short for SpeedyCGI, is a way to run perl scripts persistently, which can make them run much more quickly.
After the script is initially run, instead of exiting, the perl interpreter is kept running inside a backend process, speedy_backend. Dur-
ing subsequent runs, this interpreter is used to handle new executions instead of starting a new perl interpreter each time. A very fast
frontend program, speedy, written in C, is executed for each request. This fast frontend then contacts the persistent Perl process, which
is usually already running, to do the work and return the results.
Each perl script runs in its own Unix process, so one perl script can't interfere with another. Command line options can also be used to
deal with programs that have memory leaks or other problems that might keep them from otherwise running persistently.
The speedy front end connects to the back end process, speedy_backend, via a Unix socket in /tmp. A queue is kept in a shared file in /tmp
that holds an entry for each process. In that queue are the pids of the perl processes waiting for connections. The frontend pulls a
process out of this queue, connects to its socket, sends over the environment and argv, and then uses this socket for stdin/stdout to the
perl process.
FILES
/tmp/speedy* A unix socket used to connect to the frontend process.
AUTHOR
Sam Horrocks
http://daemoninc.com
sam@daemoninc.com
NOTES
This manual page was created by Niko Tyni <ntyni@iki.fi> for Debian GNU/Linux, because the original program does not have one. It is based
on the original and more complete CGI::SpeedyCGI(3pm) manual page.
SEE ALSO perl(1), CGI::SpeedyCGI(3pm), speedy(1)SPEEDY_BACKEND(1p)