Hi Unix gurus,
I have a file. I need to insert sequential number at the starting of the file. Fields are delimited by "|". I know the starting number.
Example:
File is as follows
|123|4test|test
|121|2test|test
|x12|1test|test
|vd123|5test|test
starting number is : 120
... (7 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)
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)
Hi there,
Firstly, I have no experience with shell scripts so would really appreciate some help.
I have the following shell script that is causing some problems:
moveit()
{
&& set -x
if
then
DOUBLE_DELIVERY=$(grep... (6 Replies)
Writing a Tool to simulate non-sequential disk I/O (simulate db file sequential read) in C POSIX
I have over the years come across the same issue a couple of times, and it normally is that the read speed on SAN is absolutely atrocious when doing non-sequential I/O to the disks. Problem being of... (7 Replies)
I can rename a file with sequential numbers from 1 to N with this script:
num=1
for file in *.dat;do
mv "$file" "$(printf "%u" $num).txt"
let num=num+1
done
The script begins with renaming a some.dat file to 1.dat.txt and goes on sequentially renaming other DAT files to... (1 Reply)
Hi experts, I've been struggling to format a large genetic dataset. It's complicated to explain so I'll simply post example input/output
$cat input.txt
ID GENE pos start end
blah1 coolgene 1 3 5
blah2 coolgene 1 4 6
blah3 coolgene 1 4 ... (4 Replies)
I have a file that looks like this:
n1 1
n2 1
n3 1
n4 3
n4 3
n2 5
n2 5
n2 5
n2 5
n3 5
n3 5
n4 6
n7 6
that is a name followed be a descriptive number.
I want to make these numbers sequential starting from 0 but without changing the "neighbours" each name belongs to. So the above... (3 Replies)
I am trying to output a tab-delimited result that uses the data from a tab-delimited file to combine and subtract specific lines.
If $4 matches in each line then the first matching sequential $6 value is added to $2, unless the value is 1, then the original $2 is used (like in the case of line... (3 Replies)
Discussion started by: cmccabe
3 Replies
LEARN ABOUT CENTOS
grub-render-label
GRUB-RENDER-LABEL(1) User Commands GRUB-RENDER-LABEL(1)NAME
grub-render-label - generate a .disk_label for Apple Macs.
SYNOPSIS
grub-render-label [OPTION...] [OPTIONS]
DESCRIPTION
Render Apple .disk_label.
-b, --bgcolor=COLOR
use COLOR for background
-c, --color=COLOR
use COLOR for text
-f, --font=FILE
use FILE as font (PF2).
-i, --input=FILE
read text from FILE.
-o, --output=FILE
set output filename. Default is STDOUT
-t, --text=STRING
set the label to render
-v, --verbose
print verbose messages.
-?, --help
give this help list
--usage
give a short usage message
-V, --version
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly
installed at your site, the command
info grub-render-label
should give you access to the complete manual.
grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)