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Published on 2010-04-05T23:25:01Z
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I have a very large file ~400G, and I need to remove the last 2 lines from it. I tried to use sed, but it ran for hours before I gave up. Is there a quick way of doing this, or am I stuck with sed?
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I want to replace the a string with the word string as the following example down , but if a string exist also after comment then a string will replaced too
In which way I can add to the sed command the irregular exp that ignore from the #.
[root@localhost tmp]# more test
a
b
aa
bb
#a
#b
#aa
#bb
[root@localhost…
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Hi,
I am using the following script to search and replace the deprecated functions in a file with the newer ones.
5 for strFile in `ls deprecated_functions_search_and_replace.txt `
6 do
7 sed "s/ereg_replace[^\(]*(\([^,]*\),/preg_replace\1('#'.\2.'#',/g" $strFile > temp_file
8 …
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I have a footer which is set to 100% width, but if i size the window smaller so a horizontal scrollbar appears, using the scrollbar shows whitespace to the right of the footer ... its not spanned 100% of the page, just the viewport.
<!doctype html>
<html lang="en" class="no-js">
<head>
…
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$ sed "s/\(^[a-z,0-9]*\)\(.*\)\( [a-z,0-9]*$\)/\1\2 \1/g" desired_file_name
I apreciate it even if you only explain part of it or at lest structure it with words as in s\alphanumerical_at_start\something\alphanumerical_at_end\something_else\global
Could someone explain what that means, why and…
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Hello there.
I'm having a problem using the sed command . I'm trying to write a bash script that does the following :
search for the line that contain :@
then save the line that contained :@ and replace it with new line
as in the following:
#! /bin/bash
echo "Please enter the ip address…
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I've got a problem with apt-get update and apt-get install ... commands .
every time update or installing fails and errors are :
Get:1 http://dl.google.com stable Release.gpg [198B]
Ign http://dl.google.com/linux/chrome/deb/ stable/main Translation-en_US
Get:2 http://dl…
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sh@ubuntu:/home/ccpp/helloworld$ make
gcc-4.6 -O2 -DMODULE -D_KERNEL_ -W -Wall -Wstrict-prototypes -Wmissing-prototypes -isystem /lib/modules/`uname -r`/build/include -c -o hello-1.o hello-1.c
hello-1.c:4:0: warning: "MODULE" redefined [enabled by default]
<command-line>:0:0: note: this is…
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I am having trouble accessing the several critical header files that show to be a part of the build process.
The "Ubuntu Software Center" shows "Build Essentials" as installed:
Next I did the following two commands, which did not improve the problem:
~$ sudo apt-get install build-essential
[sudo]…
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I'm trying to update my Debian machine to 2.6.32-46 (which is the new stable). However, after doing apt-get update my apt-cache search linux-image shows me:
linux-headers-2.6.32-5-486 - Header files for Linux 2.6.32-5-486
linux-headers-2.6.32-5-686-bigmem - Header files for Linux 2.6.32-5-686-bigmem
linux-headers-2…
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I'm helping out with a project for an embedded device that only has USB and no serial. This device is running Linux.
These days, when we need to connect to a serial port on a device we typically use a USB to serial adapter (on something like a phone system or a load balancing device, etc). I would…
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