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Top Forums Shell Programming and Scripting Fgrep or grep or awk help - scanning for delimiters. Post 302396292 by radoulov on Thursday 18th of February 2010 06:12:07 AM
Old 02-18-2010
Code:
awk -F'[>/ ]' 'END { 
  if (_2 in _) print r
 }
NR == FNR { _[$0]; next }
/^>/ { 
  if (_2 in _) print r 
  r = x; _2 = $2 
  }
{ r = r ? r RS $0 : $0 }  
' hitfile.txt FASTA.txt

Use gawk, nawk or /usr/xpg4/bin/awk on Solaris.
 

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RCVPACK(1)							     [nmh-1.5]								RCVPACK(1)

NAME
rcvpack - append message to file SYNOPSIS
/usr/lib/mh/rcvpack file [-mbox] [-mmdf] [-version] [-help] DESCRIPTION
The rcvpack program will append a copy of the message to the file listed on its command line. If the -mbox switch is given (the default), then the messages are separated using mbox (uucp) style delimiters. This is the format used by most mail clients (elm, mailx, etc.). If the -mmdf switch is given, then the messages are separated by mmdf style delimiters. Each message in the file is separated by four CTRL-A's and a newline. rcvpack will correctly lock and unlock the file to serialize access to the file, when running multiple copies of rcvpack . In general, its use is obsoleted by the file action of slocal, although it might still have occasional uses in various shell scripts. FILES
/etc/nmh/mts.conf nmh mts configuration file SEE ALSO
rcvdist(1), rcvstore(1), rcvtty(1), slocal(1) BUGS
Only two return codes are meaningful, others should be. MH.6.8 11 June 2012 RCVPACK(1)
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