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Full Discussion: Extract a line from a file.
Top Forums Shell Programming and Scripting Extract a line from a file. Post 302388927 by amitranjansahu on Friday 22nd of January 2010 01:02:51 AM
Old 01-22-2010
cat xxx.txt | head -3| tail -1
 

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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)
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