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UNIX for Dummies Questions & Answers
Want to remove all lines but not latest 50 lines from a file
Post 302867797 by vbe on Friday 25th of October 2013 04:39:24 AM
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
file:
1 xxxxxxx
2 xxx xxx
5 xxx xxx
...
180 xxxxxx
200 xxx
how to remove any lines with the first number range 1-180 (9 Replies)
Discussion started by: bluemoon1
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2. Shell Programming and Scripting
Hi,
There seems to some hack attempts in my site. I have attached the index page of my site and I need to remove the below lines from the index page. The below lines are at the center of the file.
-->
</style>
<script>E V A L( unescape(... (5 Replies)
Discussion started by: gsiva
5 Replies
3. UNIX for Dummies Questions & Answers
All,
I have a text file with several entries like below:
personname
personname.domain.com
I know there is a way to use vi to remove only the personname.domain.com line. Can someone help? I believe that it involves /s/g/ something...I just can't remember the exact syntax.
Thanks (2 Replies)
Discussion started by: kjbaumann
2 Replies
4. Shell Programming and Scripting
Hi gurus,
i'm trying to remove a number of lines from a large file using the following command:
sed '1,5000d' oldfile > newfile
Somehow the lines in the old file are not deleted...
Am I doing this wrongly? Any suggestions? :confused:
Thanks! :)
wee (10 Replies)
Discussion started by: lweegp
10 Replies
5. Shell Programming and Scripting
A small question
I have a test.txt file
I have contents as:
a:google
b:yahoo
:
c:facebook
:
d:hotmail
How do I remove the line with :
my output should be
a:google
b:yahoo
c:facebook
d:hotmail (5 Replies)
Discussion started by: aronmelon
5 Replies
6. Shell Programming and Scripting
Hi,
I'm not a expert in shell programming, so i've come here to take help from u gurus.
I'm trying to tailor a csv file that i got to make it work for the LOAD FROM command.
I've a datatable csv of the below format -
--in file format
xx,xx,xx ,xx , , , , ,,xx,
xxxx,, ,, xxx,... (11 Replies)
Discussion started by: dvah
11 Replies
7. Shell Programming and Scripting
Hey Gang-
I have a list of servers. I want to exclude servers that begin with and end with certain characters. Is there an easy command to do this?
Example
wvm1234dev
wvm1234pro
uvm1122dev
uvm1122bku
uvm1344dev
I want to exclude any lines that start with "wvm" OR "uvm" AND end... (7 Replies)
Discussion started by: idiotboy
7 Replies
8. Shell Programming and Scripting
I have two files, a keepout.txt and a database.csv. They're unsorted, but could be sorted.
keepout:
user1
buser3
anuser19
notheruser27
database:
user1,2343,"information about",field,blah,34
user2,4231,"mo info",etc,stuff,43
notheruser27,4344,"hiya",thing,more thing,423... (4 Replies)
Discussion started by: esoffron
4 Replies
9. Shell Programming and Scripting
Hello everyone,
Although it seems easy, I've been stuck with this problem for a moment now and I can't figure out a way to get it done.
My problem is the following:
I have a file where each line is a sequence of IP addresses, example :
10.0.0.1 10.0.0.2
10.0.0.5 10.0.0.1 10.0.0.2... (5 Replies)
Discussion started by: MisterJellyBean
5 Replies
10. Shell Programming and Scripting
I have been searching and trying to come up with an awk that will perform the following on a
converted text file (original is a pdf).
1. Since the first two lines are (begin with) text they are removed
2. if $1 is a number then all text is merged (combined) into one line until the next... (3 Replies)
Discussion started by: cmccabe
3 Replies
LEARN ABOUT OPENSOLARIS
mlib_videocolorabgr2jfifycc444
mlib_VideoColorABGR2JFIFYCC444(3MLIB) mediaLib Library Functions mlib_VideoColorABGR2JFIFYCC444(3MLIB) NAME
mlib_VideoColorABGR2JFIFYCC444 - ABGR to JFIF YCbCr color conversion SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoColorABGR2JFIFYCC444(mlib_u8 *y, mlib_u8 *cb, mlib_u8 *cr, const mlib_u8 *abgr, mlib_s32 n); DESCRIPTION
The mlib_VideoColorABGR2JFIFYCC444() function performs color space conversion from and ABGR to YCbCr when used in the JPEG File Interchange Format (JFIF). The following equation is used: Y = 0.29900 * R + 0.58700 * G + 0.11400 * B Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + 128 Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + 128 PARAMETERS
The function takes the following arguments: y Pointer to destination Y component row. y must be 8-byte aligned. cb Pointer to destination Cb component row. cb must be 8-byte aligned. cr Pointer to destination Cr component row. cr must be 8-byte aligned. abgr Pointer to source ABGR multi-component row. abgr must be 8-byte aligned. n Length of Y component row. The length of Cb and Cr component rows must be n. The length of the ABGR multi-component row must be 4*n. RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_VideoColorARGB2JFIFYCC444(3MLIB), mlib_VideoColorRGB2JFIFYCC444(3MLIB), mlib_VideoColorRGB2JFIFYCC444_S16(3MLIB), attributes(5) SunOS 5.11 23 May 2007 mlib_VideoColorABGR2JFIFYCC444(3MLIB)