01-22-2010
cat xxx.txt | head -3| tail -1
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hello, guys!
I want to extract one specific line from a file. Can someone help me with this? (2 Replies)
Discussion started by: kingkong
2 Replies
2. UNIX for Advanced & Expert Users
Dear Members!
How can I extract on line from a file? (1 Reply)
Discussion started by: kingkong
1 Replies
3. Shell Programming and Scripting
I have a shell script and want to assign a value to a variable. The value is the line exctrated from a file using the line number. The line number it is not fix, and could change any time.
I have tried sed, awk, head .. See my script
# Get randome line number from the file
#selectedline = `awk... (1 Reply)
Discussion started by: zambo
1 Replies
4. Shell Programming and Scripting
Hello,
I am having trouble extracting a specific line from a file when the line number is known. My first attempt involved grep -n 'hi' (the word 'hi will always be there) to get the line number before the line that I actually want (line 4).
Extra Notes:
-I am working in a bash script.
-The... (7 Replies)
Discussion started by: grandtheftander
7 Replies
5. Shell Programming and Scripting
If i have a file, how do i create a new file with say line x to y from the file i have. Eg. File1 has 100 line, i want File2 to have line 50-60 from File1 (4 Replies)
Discussion started by: kelseyh
4 Replies
6. Shell Programming and Scripting
hi dudes,
I have a text file in the below format
1 s sanity /u02
2 r script1 /u02
3 s sanity /u02
Please tell me a script to read this file line by line, I wrote the below script , but it is printing only 1st line not printing rest... (7 Replies)
Discussion started by: shirdi
7 Replies
7. Shell Programming and Scripting
FOLKS ,
i have a text file that is generated automatically of an another korn shell script, i want to bring in the fifth line of the text file in to my korn shell script and look for a particular word in the line . Can you all share some thoughts on this one.
thanks...
Venu (3 Replies)
Discussion started by: venu
3 Replies
8. Shell Programming and Scripting
Hi guys,
does anyone know how to extract(grep) a line from the file, if I know the line number?
Thanks a lot. (9 Replies)
Discussion started by: aoussenko
9 Replies
9. Shell Programming and Scripting
I have a LOG file which looks like this
Import started at: Mon Jul 23 02:13:01 EDT 2012
Initialization completed in 2.146 seconds.
--------------------------------------------------------------------------------
--
Import summary for Import item: PolicyInformation... (8 Replies)
Discussion started by: biztank
8 Replies
10. Shell Programming and Scripting
In the below perl code I am using tags within each line to extract certain information. The tags that are used are:
STB >0.8 is STRAND BIAS otherwise GOOD
FDP is the second number
GO towards the end of the line is read into an array and the value returned is outputed, in the first line that... (1 Reply)
Discussion started by: cmccabe
1 Replies
LEARN ABOUT LINUX
extractor
EXTRACTOR(1) The Canonical Csound Reference EXTRACTOR(1)
NAME
extractor - Extract a section of audio from an audio file. .
DESCRIPTION
Extract a section of audio, by time or sample, from an existing sound file.
SYNTAX
extractor [OPTIONS ... ] infile
INITIALIZATION
Flags:
o -S integer = Start the extract at the given sample number.
o -Z integer = End the extract at the given sample number.
o - Q integer = Extract given number of samples.
o -T fpnum = Start the extract at the given time in seconds.
o -E fpnum = End the extract at the given time in seconds.
o -D fpnum = Extract given time in seconds.
o -v = Verbose mode.
o -R = Continually rewrite the header while writing soundfile (WAV/AIFF).
o -H integer = Show a "heart-beat" to indicate progress, in style 1, 2 or 3.
o -N = Alert call (usually ringing the bell) when finished.
o -v = Verbose mode.
o -o fname = output file name (default: test.wav)
EXAMPLES
The default values are
extractor -S 0 -Z end-of-file -otest
For example
extractor -S 10234 -D 2.13 in.aiff -o out.wav
This creates a new sound file taken from sample 10234 and lasting 2.13 seconds.
CREDITS
Author: John ffitch
1994
AUTHORS
Barry Vercoe
MIT Media Lab
Author.
Dan Ellis
MIT Media Lab,
Cambridge
Massachussetts
Author.
COPYRIGHT
5.07 06/23/2009 EXTRACTOR(1)