Hi
I am having some issue editing a file in sed.
What I want to do is, in a loop pass a variable to a sed command. Sed should then search a file for a line that matches that variable, then remove all lines below until it reaches a line starting with a constant.
I have managed to write a... (14 Replies)
Hi,
I have a file as below
This is the line one
This is the line two
<\XMLTAG>
This is the line three
This is the line four
<\XMLTAG>
Output of the SED command need to be as below.
This is the line one
This is the line two
<\XMLTAG>
Please do the need to needful to... (4 Replies)
hi all,
Say i have a range like 0 - 1000 and i need to split into diffrent files the lines which are within a specific fixed sub-range. I can achieve this manually but is not scalable if the range increase.
E.g
cat file1.txt
Response time 2 ms
Response time 15 ms
Response time 101... (12 Replies)
Hi Guru's,
I am trying to grep a range of line numbers (based on match) and then look for another match which starts with a special character '$' and print the line number. I have the below code but it is actually printing the line number counting starting from the first line of the range i am... (15 Replies)
Experts Good day,
I want to filter multiple lines of same error of same day , to only 1 error of each day, the first line from the log.
Here is the file:
May 26 11:29:19 cmihpx02 vmunix: NFS write failed for server cmiauxe1: error 5 (RPC: Timed out)
May 26 11:29:19 cmihpx02 vmunix: NFS... (4 Replies)
We are using Red Hat Linux.
I have a flat file with among other things, the following lines, which appear occasionally throughout the file:
Using sed, I delete this line:
L;L;L;L;R;R;R;L;R;L;R;R;R;L;L;L
With:
/^;;;;;*/d
Works fine every time.
However, I cannot delete... (6 Replies)
Hi,
I'm trying to replace a range of characters by their position in each line by spaces.
I need to replace characters 95 to 145 by spaces in each line.
i tried below but it doesn't work
sed -r "s/^(.{94})(.{51})/\ /" inputfile.txt > outputfile.txt
can someone please help me... (3 Replies)
Hi Guys
I am looking for a solution to one problem to remove parentheses in a range of lines.
Input file
module bist_logic_inst(a, ab , dhd, dhdh , djdj, hdh, djjd, jdj, dhd, dhp, dk
);
input a;
input ab;
input dhd;
input djdj;
input dhd;
output hdh;
output djjd;
output jdj;... (5 Replies)
IN_CKSUM(9) BSD Kernel Developer's Manual IN_CKSUM(9)NAME
in_cksum, in4_cksum, in6_cksum -- compute Internet checksum
SYNOPSIS
uint16_t
in_cksum(struct mbuf *m, int len);
uint16_t
in4_cksum(struct mbuf *m, uint8_t nxt, int off, int len);
uint16_t
in6_cksum(struct mbuf *m, uint8_t nxt, int off, int len);
DESCRIPTION
These functions are used to compute the ones-complement checksum required by IP and IPv6. The in4_cksum() function is used to compute the
transport-layer checksum required by tcp(4) and udp(4) over a range of bytes starting at off and continuing on for len bytes within the mbuf
m.
If the nxt parameter is non-zero, it is assumed to be an IP protocol number. It is also assumed that the data within m starts with an IP
header, and the transport-layer header starts at off; a pseudo-header is constructed as specified in RFC768 and RFC793, and the pseudo-header
is prepended to the data covered by the checksum.
The in6_cksum() function is similar; if nxt is non-zero, it is assumed that m starts with an IPv6 header, and that the transport-layer header
starts after off bytes.
The in_cksum() function is equivalent to in4_cksum(m, 0, 0, len).
These functions are always performance critical and should be reimplemented in assembler or optimized C for each platform; when available,
use of repeated full-width add-with-carry followed by reduction of the sum to a 16 bit width usually leads to best results. See RFC's 1071,
1141, 1624, and 1936 for more information about efficient computation of the internet checksum.
RETURN VALUES
All three functions return the computed checksum value.
SEE ALSO inet(4), inet6(4), tcp(4), udp(4), protocols(5), mbuf(9)STANDARDS
These functions implement the Internet transport-layer checksum as specified in RFC768, RFC793, and RFC2460.
BUGS
The in6_cksum() function currently requires special handling of link-local addresses in the pseudo-header due to the use of embedded scope-
id's within link-local addresses.
BSD May 22, 2001 BSD