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Top Forums Shell Programming and Scripting Need to Chop Header and Footer record from input file Post 80513 by aigles on Tuesday 9th of August 2005 01:54:57 AM
Old 08-09-2005
If your header and footer are just one record length, you can use sed :
Code:
sed '1d;$d' input_file > output_file

This command delete firstrecord (1d) and last record ($d).


Jean-Pierre.
 

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SPEEXDEC(1)							   User Commands						       SPEEXDEC(1)

NAME
speexdec - The reference implementation speex decoder. SYNOPSIS
speexdec [options] input_file.spx [output_file] DESCRIPTION
Decodes a Speex file and produce a WAV file or raw file input_file can be: filename.spx regular Speex file - stdin output_file can be: filename.wav Wav file filename.* Raw PCM file (any extension other that .wav) - stdout (nothing) Will be played to soundcard OPTIONS
--enh Enable perceptual enhancement (default) --no-enh Disable perceptual enhancement --force-nb Force decoding in narrowband --force-wb Force decoding in wideband --force-uwb Force decoding in ultra-wideband --mono Force decoding in mono --stereo Force decoding in stereo --rate n Force decoding at sampling rate n Hz --packet-loss n Simulate n % random packet loss -V Verbose mode (show bit-rate) -h, --help This help -v, --version Version information --pf Deprecated, use --enh instead --no-pf Deprecated, use --no-enh instead More information is available from the Speex site: http://www.speex.org Please report bugs to the mailing list `speex-dev@xiph.org'. COPYRIGHT
Copyright (C) 2002 Jean-Marc Valin speexdec version 1.1 September 2003 SPEEXDEC(1)
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