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Top Forums Shell Programming and Scripting awk - count character count of fields Post 302736841 by bartus11 on Wednesday 28th of November 2012 03:47:24 AM
Old 11-28-2012
Quote:
Originally Posted by Fundix
I guess printf length($NF)"\n" is used to make the jump line, but i do not understand its usage.
Can you detail it please ?

Thank You
It is just attaching newline character to the end of the last field's length.
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WC(1)								   User Commands							     WC(1)

NAME
wc - print newline, word, and byte counts for each file SYNOPSIS
wc [OPTION]... [FILE]... wc [OPTION]... --files0-from=F DESCRIPTION
Print newline, word, and byte 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. A word is a non-zero-length sequence of characters delimited by white space. The options below may be used to select which counts are printed, always in the following order: newline, word, character, byte, maximum line length. -c, --bytes print the byte counts -m, --chars print the character counts -l, --lines print the newline counts --files0-from=F read input from the files specified by NUL-terminated names in file F; If F is - then read names from standard input -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 GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report wc translation bugs to <http://translationproject.org/team/> AUTHOR
Written by Paul Rubin and David MacKenzie. COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. 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 coreutils 'wc invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 WC(1)
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