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Full Discussion: awk data filtering
Top Forums Shell Programming and Scripting awk data filtering Post 302670237 by Chubler_XL on Thursday 12th of July 2012 12:06:23 AM
Old 07-12-2012
p stores previous line
w cycles thru 0, 4 and 6
getline;print - fetches next line from infile and prints it.
$1" "$2=="B 0:" field 1 is "B" and field 2 is "0:"

print p;print print previous (stored line) and current line.
This User Gave Thanks to Chubler_XL For This Post:
thibodc
 

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LEARN ABOUT REDHAT

wc

WC(1)									FSF								     WC(1)

NAME

       wc - print the number of bytes, words, and lines in files

SYNOPSIS

       wc [OPTION]... [FILE]...

DESCRIPTION

       Print  byte, word, and newline counts for each FILE, and a total line if more than one FILE is specified.  With no FILE, or when FILE is -,
       read standard input.

       -c, --bytes
	      print the byte counts

       -m, --chars
	      print the character counts

       -l, --lines
	      print the newline counts

       -L, --max-line-length
	      print the length of the longest line

       -w, --words
	      print the word counts

       --help display this help and exit

       --version
	      output version information and exit

AUTHOR

       Written by Paul Rubin and David MacKenzie.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       The full documentation for wc is maintained as a Texinfo manual.  If the info and wc programs are properly installed at your site, the com-
       mand

	      info wc

       should give you access to the complete manual.

wc (coreutils) 4.5.3						   February 2003							     WC(1)
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