Hi everyone,
Sorry I keep asking these stupid perl questions here. They're not any sort of assignment or anything like that, I'm just browsing through the book "Learning Perl" and I'm finding that I can do some of their practice exercises just fine, but others give me some trouble.
Right now... (1 Reply)
Hi,
How would I get rid of lines having something else than numbers (such as tabs,white space, special characters, empty line, letters).
So I have big file with numers as follows:
12345678901
23456789012
32343678901
42345638901
52345678901
and I sometimes the file might contain some... (2 Replies)
Hi all,
Can I edit this script:
find . -type f | while read i;do && mv "$i" "${i//abc/}" ;done
so that it will not only take out abc from the filename but also take out any numbers that might be in the filename as well.
An example would be,
Input:
filename abc 2009.mov
Output:... (7 Replies)
Hi, all: I have a question about "cleaning up" a huge file with regular expression(s) and sed:
The init file goes like this:
block1,blah-blah-blah-blah,numseries1,numseries2,numseries3,numseries4
block2,blah-blah-blah-blah-blah,numseries,numseries2,numseries3,numseries4
...... (3 Replies)
How can I remove the numeric (1,2,3,4,5,etc.) in front of each line? The file look like this..
1CREATE OR REPLACE pROD (p_sc_id number,
2 p_snap_id number , p_sid number, p_halt varchar2 default 'N', p_a_nm varchar2 )
3 as
4 v_rtn number;
5
6 v_rtn... (3 Replies)
I have a file that has some text that looks like this
Some Text
1. More text
2. Different text
Final Text
I would like the remove the lines of text that start with the numbers.
Some Text
Final Text
I have tried to use cat file.txt | grep -Ev 1. >... (9 Replies)
Dear board,
(I am trying to post this the 3rd time, seems there's some conflicts with my firefox with this forum, now use IE)
------
yes, I have searched the forum, but seems my ? is too complicated.
------------origianl file ---------------
\storage\qweq\ertert\ertert\3452\&234\test.rec... (4 Replies)
Hi all,
I have a list of numbers. I need an awk command to find out the numbers of elements (number of numbers, sort to speak), the average value the min and max value. Reading the list only once, with awk.
Any ideas?
Thanks! (5 Replies)
how to remove all numbers from this.Using sed command
1. abcd123
2. 312jjs33 (17 Replies)
Discussion started by: rafa_fed2
17 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)
07-22-2011
AWK
