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Full Discussion: "Smoothing" the data
Top Forums UNIX for Dummies Questions & Answers "Smoothing" the data Post 302601024 by Corona688 on Wednesday 22nd of February 2012 05:24:56 PM
Old 02-22-2012
The OFS is just to make it print in nicely tabbed columns, WIDTH is all you need to change. I made everything depend on WIDTH even though that was slightly awkward just to keep things obvious...

It detects the number of columns by itself, via the NF special variable. Each column is calculated independently.
 

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PR(1)                                                              User Commands                                                             PR(1)

NAME
pr - convert text files for printing SYNOPSIS
pr [OPTION]... [FILE]... DESCRIPTION
Paginate or columnate FILE(s) for printing. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. +FIRST_PAGE[:LAST_PAGE], --pages=FIRST_PAGE[:LAST_PAGE] begin [stop] printing with page FIRST_[LAST_]PAGE -COLUMN, --columns=COLUMN output COLUMN columns and print columns down, unless -a is used. Balance number of lines in the columns on each page -a, --across print columns across rather than down, used together with -COLUMN -c, --show-control-chars use hat notation (^G) and octal backslash notation -d, --double-space double space the output -D, --date-format=FORMAT use FORMAT for the header date -e[CHAR[WIDTH]], --expand-tabs[=CHAR[WIDTH]] expand input CHARs (TABs) to tab WIDTH (8) -F, -f, --form-feed use form feeds instead of newlines to separate pages (by a 3-line page header with -F or a 5-line header and trailer without -F) -h, --header=HEADER use a centered HEADER instead of filename in page header, -h "" prints a blank line, don't use -h"" -i[CHAR[WIDTH]], --output-tabs[=CHAR[WIDTH]] replace spaces with CHARs (TABs) to tab WIDTH (8) -J, --join-lines merge full lines, turns off -W line truncation, no column alignment, --sep-string[=STRING] sets separators -l, --length=PAGE_LENGTH set the page length to PAGE_LENGTH (66) lines (default number of lines of text 56, and with -F 63). implies -t if PAGE_LENGTH <= 10 -m, --merge print all files in parallel, one in each column, truncate lines, but join lines of full length with -J -n[SEP[DIGITS]], --number-lines[=SEP[DIGITS]] number lines, use DIGITS (5) digits, then SEP (TAB), default counting starts with 1st line of input file -N, --first-line-number=NUMBER start counting with NUMBER at 1st line of first page printed (see +FIRST_PAGE) -o, --indent=MARGIN offset each line with MARGIN (zero) spaces, do not affect -w or -W, MARGIN will be added to PAGE_WIDTH -r, --no-file-warnings omit warning when a file cannot be opened -s[CHAR], --separator[=CHAR] separate columns by a single character, default for CHAR is the <TAB> character without -w and 'no char' with -w. -s[CHAR] turns off line truncation of all 3 column options (-COLUMN|-a -COLUMN|-m) except -w is set -S[STRING], --sep-string[=STRING] separate columns by STRING, without -S: Default separator <TAB> with -J and <space> otherwise (same as -S" "), no effect on column options -t, --omit-header omit page headers and trailers; implied if PAGE_LENGTH <= 10 -T, --omit-pagination omit page headers and trailers, eliminate any pagination by form feeds set in input files -v, --show-nonprinting use octal backslash notation -w, --width=PAGE_WIDTH set page width to PAGE_WIDTH (72) characters for multiple text-column output only, -s[char] turns off (72) -W, --page-width=PAGE_WIDTH set page width to PAGE_WIDTH (72) characters always, truncate lines, except -J option is set, no interference with -S or -s --help display this help and exit --version output version information and exit AUTHOR
Written by Pete TerMaat and Roland Huebner. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report pr translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 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
Full documentation at: <http://www.gnu.org/software/coreutils/pr> or available locally via: info '(coreutils) pr invocation' GNU coreutils 8.28 January 2018 PR(1)
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