Hi,
Could you please explain me the below statement -- phrase wise.
sed -e :a -e '$q;N;'$cnt',$D;ba' abc.txt > xyz.txt
if suppose $cnt contains value: 10
it copies last 9 lines of abc.txt to xyz.txt
why it is copying last 9 rather than 10.
and also what is ba and $D over there in... (4 Replies)
Hi,
The following command works fine for me, but I could not grasp the logic working behind of sed command, it's obscure to me :( :confused:
echo "./20080916/core/audioex.amr" | sed "s%\(\)/%\1_%g"
o/p: ./20080916_core_audioex.amr
Could anyone please explain to me in detail, that how... (6 Replies)
Hi,
Can someone help me come up with a generic sed command to clean a tag off its attributes?
For eg.
Input String - <tag attrib=new>This String</tag>
should undergo a sed transformation to get
Output String - <tag >This String</tag>
This works -
echo "<tag attrib=new>This</tag>" |... (3 Replies)
Hi:
I have a collection of mp3s and I need to create 1 xml file per mp3.
I have:
recording1.mp3
recording2.mp3
etc
and I want to generate this kind of files.
recording1.xml
recording2.xml
and inside each xml file I need to add a url prefix and then the filename at the end.
... (4 Replies)
This is my first post so hi to you all. I have browsed these forums in the past and what a great community and resource this is! Thanks to all the contributors ... I look forward to being able to give something back.
In the meantime, I have a little conundrum concerning sed. My very simple... (6 Replies)
sed '$!N; /^\(.*\)\n\1$/!P; D'
i found this file which removes duplicates irrespective for sorted or unsorted file. keep first occurance and remove the further occurances.
can any1 explain how this is working..
i need to remove duplicates following file. duplicate criteria is not the... (3 Replies)
I have a XML in which <Amt Ccy="EUR">3.1</Amt> tag repeats. This is under another tag <Main>. I need to sum all the values of <Amt Ccy=""> (Ccy may vary) coming under <Main> using awk and or sed command.
can some help?
Sample looks like below
<root>
<Main>
... (6 Replies)
Will someone give me an explanation on how the sed command below works.
sed 's/.*//'
Thanks! (3 Replies)
Discussion started by: scj2012
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)