Running Perl inside Perl by invoking a system call is like running a virtual machine inside a virtual machine, to list the content of a file system. By the way, I do not believe it does what you think it does, neither.
Hi,
I have a file named "Test_2008_01_21"
The file contains a string "manual" that occurs many times in the file
How can i find the positions of the string "manual" in the file
Ex: if the string " manual " occurs three times in the file. i want to replace the second occurance of string... (6 Replies)
find . -type f -name "*.sql" -print|xargs perl -i -pe 's/pattern/replaced/g'
this is simple logic to find and replace in multiple files & folders
Hope this helps.
Thanks
Zaheer (0 Replies)
Hi,
I have string like this:
$query="#1,apple";
$string=$query;
I want to replace #1 with fruit. I tried like this:
string=~s/#\d+/$query/ig;
print "\n string: $string\n";
It is working only when there is single #1 or #2 but when i give like #1,#2,#3,apple the above code... (2 Replies)
Hi,
I am taking the current time using localtime function in perl. For example if the time is:
#Using localtime
$time = "12:3:10";
I have to replace the value 3 (03) i.e second position to be 03.
The output should be:
12:03:10
But if the other string for example:
$str:... (1 Reply)
hello,
I want to replace awk with a perl one liner in unix.
i use in awk REGEX and FS ( field separator) because
awk syntaxes in different unix os versions have not the same behaviour.
Awk, Nawk and GNU Awk Cheat Sheet - good coders code, great reuse
i have a file named "file" and want... (5 Replies)
Dear all,
I need your help, I have file like this:
file1:23456
01910964830098775635
34567
01942809546554654323
67589
26546854368698023653
09778
58716868568576876878
08675
86178546154065406546
08573
54165843543054354305
.
.file2:
23456 25
34567 26
67589 27 (2 Replies)
Hi,
Here's my dilemma.
I need to replace the string Sept_2012 to Oct_2012 in all *config.py files within the current directory and below directories
Is this possible?
Also I am trying to find all instances of the string Sept_2012 within files in the current directory and below
I have... (13 Replies)
Dear All
I need to find and replace a string in a set of files. I try as :
#find / -name "*"|xargs grep "Tektra"|grep -v "Tektra GSM BTS"
But it doesn't work. It just finds the string in the files. I need to find and replace it.Can you please let me know how to correct it?
Thank you (2 Replies)
I need help with a regexp to find out the ip address which can possibly be present in a URL.
The URLs can be in any of the following form
<domain>?a=12345&d=somestring1
<domain>?c=10.10.10.100&d=somestring1
<domain>?a=12345&b=somestring1&c=10.1.2.4d=somestring2... (3 Replies)
Hello Forum.
I have a file called abc.sed with the following commands;
s/1/one/g
s/2/two/g
...
I also have a second file called abc.dat and would like to substitute all occurrences of "1 with one", "2 with two", etc and create a new file called abc_new.dat
sed -f abc.sed abc.dat >... (10 Replies)
Discussion started by: pchang
10 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)