05-27-2002
delete lines
I have more than 1500 line and 30 files. if I use vi and "dd" I can complete until end of my life.
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1. Shell Programming and Scripting
Hi
I want to delete first five and last five lines in text files without opening the file and also i want to keep the same file name for all the files.
Thanks in advance!!!
Ragav (10 Replies)
Discussion started by: ragavendran31
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2. Shell Programming and Scripting
Hi
I am writing a script which should read a file and search for certain strings 'approved' or 'removed' and retain only those lines that contain the above strings.
Ex: file name 'test'
test:
approved package
waiting for approval package
disapproved package
removed package
approved... (14 Replies)
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3. Shell Programming and Scripting
Input:
a
b
b
c
d
d
I need:
a
c
I know how to get this (the lines that have duplicates) :
b
d
sort file | uniq -d
But i need opossite of this. I have searched the forum and other places as well, but have found solution for everything except this variant of the problem. (3 Replies)
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4. Shell Programming and Scripting
First of all, I know this can be more eassily done with perl or other scripting languages but, that's not the issue. I need this in sed. (or wander if it's possible )
I got a file (trace file to recreate the control file from oracle for the dba boys)
which contains
some lines
another line... (11 Replies)
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5. UNIX for Dummies Questions & Answers
Hiiii
I have a file which contains huge data as
a.dat:
PDE 1990 1 9 18 51 28.90 24.7500 95.2800 118.0 6.1 0.0 BURMA
event name: 010990D
time shift: 7.3000
half duration: 5.0000
latitude: 24.4200
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6. Shell Programming and Scripting
Hello,
I have a group of text files with many lines in each file.
I need to delete all the lines in each and only leave 2 lines in each file. (3 Replies)
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7. UNIX for Advanced & Expert Users
Hi All,
I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space.
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8. Shell Programming and Scripting
hey guys,
I tried searching but most 'search and replace' questions are related to one liners.
Say I have a file to be replaced that has the following:
$ cat testing.txt
TESTING
AAA
BBB
CCC
DDD
EEE
FFF
GGG
HHH
ENDTESTING
This is the input file: (3 Replies)
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9. Shell Programming and Scripting
Hello,
I'm trying to figure out how to use sed or awk to delete single lines in a file. By single, I mean lines that are not touching any other lines (just one line with white space above and below).
Example:
one
two
three
four
five
six
seven
eight
I want it to look like: (6 Replies)
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Hi all,
I'm looking for a way (sed or awk) to delete multiple lines between blank lines containing two patterns ex:
user: alpha
parameter_1 = 15
parameter_2 = 1
parameter_3 = 0
user: alpha
parameter_1 = 15
parameter_2 = 1
parameter_3 = 0
user: alpha
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LEARN ABOUT DEBIAN
sctp_test
sctp_test(1) General Commands Manual sctp_test(1)
NAME
sctp_test - Send and receive messages via SCTP
SYNOPSIS
sctp_test -H -P -h -p -l|s
DESCRIPTION
This is a userspace test application for the SCTP Linux kernel reference implementation.
OPTIONS
-H local-addr
-P local-port
-h remote-addr
-p remote-port
-s Act as client
-l Listen for connections (server)
-a assoc_pattern
assoc_pattern in the mixed mode 0 = sequential ascending(default) 1 = random
-d debug
0 = none 1 = min(default) 2 = max
-c testcase
0 = 1 byte packets. 1 = 1352 byte packets.
(fragmentation point for an i/f with 1500 as mtu.) 2 = 1353 byte packets.
(min. size at which fragmentation occurs
for an i/f with 1500 as mtu.) 3 = Sequence of 1, 1353, 32768 byte packets. 4 = Sequence of following size packets.
(1, 1000, 2000, 3000, 5000, 10000,15000, 20000, 25000, 32768) 5 = 32768 byte packets.
(default max receive window size.) 6 = random size packets.
-ve value
Packets of specifed size.
-m msgsize
(1500-65515, default value 32768)
-x number_of_repeats
-o order_pattern
0 = all unordered(default) 1 = all ordered 2 = alternating 3 = random -t stream_pattern
0 = sequential ascending(default)
1 = random -M max_stream (default value 0) -r seed (default 0, use time()) -L num_ports (default value 0). Run the mixed mode -S
num_ports (default value 0). Run the mixed mode -D Drain. If in client mode do a read following send.
USAGE
server: sctp_test -H local_addr -P local_port -l
client: sctp_test -H local_addr -P local_port -h remote_addr
-p remote-port -s
AUTHOR
Michael Biebl <biebl@debian.org>
sctp_test(1)