hi,
I need to write a command with sed to find all the lines in a file that contain patterns of three or more characters that repeat once and put them inside perenthezes. I cannot tell sed what pattern to look for. it should find repeated patterns automatically.
example:... (1 Reply)
I gotta write a command to change the accounts in /etc/passwd that use a shell other than the bash to bash shell. those accounts that dont use a shell shouldnt get modified. assuming all the shell programs end in sh and other programs dont. and the result should go into /etc/passwd.rev
any hint? (4 Replies)
HI,
Can't seem to find anything on the forums to fix this.
I have a file, one line within this will not have a specific string at the end.
I have the string, but need to append it to the specific line which has it missing.
I need to use a variable for this, $string - I am using double... (13 Replies)
Hi,
I am trying to write a shell script designed to take input line by line by line from a file with a word on each line for editing with sed. Example file:
1.ejverything
2.bllown
3.maikling
4.manegement
5.existjing
6.systems
My design currently takes input from the user, and... (2 Replies)
Hi All,
I need your assistance, I would like to replace all lines beginning with the word "begin" with the below text:
Device | IPMB0-A | IPMB0-B
Board Address |Sent SentErr %Errr |Sent SentErr ... (9 Replies)
Hi All,
I need your assistance, I would like to replace all lines beginning with the word "begin" with the below text:
Device | IPMB0-A | IPMB0-B
Board Address |Sent SentErr %Errr |Sent SentErr ... (10 Replies)
Howdy folks,
I'm trying to craft a log file summarisation tool for an application that creates a lot of duplicate entries with only a different suffix to indicate point of execution. I thought I'd gotten close but I'm clearly missing something.
Here's a genericized version:
A text_file... (3 Replies)
Hello,
I'm attempting to play with sed commands again...
I have a file named test1 with numbers...ex:5551234567
I run this sed on the file...
cat test1 | sed 's/^/homeDnModify "/g' | sed 's/$/" "" 3/g' >test2
Im hoping it will look like this...
homeDnModify "551235" "4567" ""... (5 Replies)
Hello everyone.
I am trying to replace
sprintf(buffer, "{\"id\":1,\"method\":\"mining.update_block\",\"params\":}\n", coinid, blockhash);
with
sprintf(buffer, "{\"id\":1,\"method\":\"mining.update_block\",\"params\":}\n", coinid, blockhash);
this is the code I was trying but is... (9 Replies)
Hi,
I am trying to extract line number (first number), as well as everything from TSVal onwards.
4 1.474005 172.18.124.142 -> 74.125.228.46 TCP 2450940617 74 44021 > https Seq=0 Win=5840 Len=0 MSS=1380 SACK_PERM=1 TSval=2450940617 TSecr=0 WS=64
6 1.488149 172.18.124.142 ->... (1 Reply)
Discussion started by: sand1234
1 Replies
LEARN ABOUT REDHAT
split
SPLIT(1) FSF SPLIT(1)NAME
split - split a file into pieces
SYNOPSIS
split [OPTION] [INPUT [PREFIX]]
DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard
input.
Mandatory arguments to long options are mandatory for short options too.
-a, --suffix-length=N
use suffixes of length N (default 2)
-b, --bytes=SIZE
put SIZE bytes per output file
-C, --line-bytes=SIZE
put at most SIZE bytes of lines per output file
-l, --lines=NUMBER
put NUMBER lines per output file
--verbose
print a diagnostic to standard error just before each output file is opened
--help display this help and exit
--version
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site,
the command
info split
should give you access to the complete manual.
split (coreutils) 4.5.3 February 2003 SPLIT(1)