I'm trying to do a script that will look for a log file if it is already there change the name to another name.
I.E
if log.0 is there
rename to log.1
rename log.1 to log.2
rename log.2 to log.3 and so on.
Only thing is I got no idea where or what is the best command to use for this? ... (3 Replies)
We have to convert a sequential file to a 80 char line sequential file (HP UX platform).The sequential file contains special characters. which after conversion of the file to line sequential are getting coverted into "new line" or "tab" and file is getting distorted. Is there any way to read these... (2 Replies)
hello i'm trying to figure out how to number a blank line. For instance this :
sed '/./=' file | sed '/./N; s/\n/ /'
gives me
1 aaaa
2 bbbbbb
4 cccccc
5 ffkkkfff
6 ffsdfdfs
I would like something like this:
1 aaaaa
2
3 bbbbbb
4
5 cccccc
And so... (6 Replies)
Hi,
All I need to do is number a file.
The file looks like this
>
JJJJJJJJJJJJJJJJJJJJJ
>
JKJKJKKKKKKJJJ
>
MMMMYKKKJKKK
what I want to do is number it so that theres a numerical value beside the >.
>1
JJJJJJJJJJJJJJJJJJJJJ
>2
JKJKJKKKKKKJJJ (2 Replies)
Hi
I have a file sequential way i.e. written in contineous mode and the Record Seperator is AM from which the record is seperated .Now to process I have to make line sequential,and more over record length is not same it varies as per the input address,
AM1234563 John Murray 24 Old streeet old... (5 Replies)
Writing a Tool to simulate non-sequential disk I/O (simulate db file sequential read) in C POSIX
I have over the years come across the same issue a couple of times, and it normally is that the read speed on SAN is absolutely atrocious when doing non-sequential I/O to the disks. Problem being of... (7 Replies)
Would it be possible for a script to duplicate a file and incrementally number it?
File in: XXX_007_0580_xxxx_v0016.aep
File out: XXX_007_0580_xxxx_v0017.aep
If someone knows of a way I'd love to see it.
Thanks! (7 Replies)
The awk below produces an output with the original header and only the matching lines (which is good), but the output where the original line numbering in the match found on is used. I can not figure out how to sequentially number the output instead of using the original.
I did try to add... (2 Replies)
Discussion started by: cmccabe
2 Replies
LEARN ABOUT OPENDARWIN
nl
NL(1) User Commands NL(1)NAME
nl - number lines of files
SYNOPSIS
nl [OPTION]... [FILE]...
DESCRIPTION
Write each FILE to standard output, with line numbers added.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-b, --body-numbering=STYLE
use STYLE for numbering body lines
-d, --section-delimiter=CC
use CC for logical page delimiters
-f, --footer-numbering=STYLE
use STYLE for numbering footer lines
-h, --header-numbering=STYLE
use STYLE for numbering header lines
-i, --line-increment=NUMBER
line number increment at each line
-l, --join-blank-lines=NUMBER
group of NUMBER empty lines counted as one
-n, --number-format=FORMAT
insert line numbers according to FORMAT
-p, --no-renumber
do not reset line numbers for each section
-s, --number-separator=STRING
add STRING after (possible) line number
-v, --starting-line-number=NUMBER
first line number for each section
-w, --number-width=NUMBER
use NUMBER columns for line numbers
--help display this help and exit
--version
output version information and exit
By default, selects -v1 -i1 -l1 -sTAB -w6 -nrn -hn -bt -fn. CC are two delimiter characters used to construct logical page delimiters, a
missing second character implies :. Type \ for . STYLE is one of:
a number all lines
t number only nonempty lines
n number no lines
pBRE number only lines that contain a match for the basic regular expression, BRE
FORMAT is one of:
ln left justified, no leading zeros
rn right justified, no leading zeros
rz right justified, leading zeros
AUTHOR
Written by Scott Bartram and David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report nl translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/nl>
or available locally via: info '(coreutils) nl invocation'
GNU coreutils 8.28 January 2018 NL(1)