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Full Discussion: Aligning Texts
Top Forums Shell Programming and Scripting Aligning Texts Post 302966059 by drl on Sunday 7th of February 2016 09:56:25 AM
Old 02-07-2016
Hi.

From a perl script, align:
Code:
#!/usr/bin/env bash

# @(#) s1       Demonstrate text column vertical alignment, align.
# For align source, see:
# http://www.cs.indiana.edu/~kinzler/align/

# Utility functions: print-as-echo, print-line-with-visual-space, debug.
# export PATH="/usr/local/bin:/usr/bin:/bin"
LC_ALL=C ; LANG=C ; export LC_ALL LANG
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C align

FILE=${1-data1}

pl " Input data file $FILE:"
cat $FILE

pl " Results:"
align $FILE

exit 0

producing:
Code:
$ ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 3.16.0-4-amd64, x86_64
Distribution        : Debian 8.3 (jessie) 
bash GNU bash 4.3.30
align 1.7.0

-----
 Input data file data1:
THEN ( Thu Jan 28 = Hour[02] = 27924 )          =>          NOW ( Thu Feb 04 = Hour[02] = 27018 )         =>         Reduced By:         -3.24452
THEN ( Thu Jan 28 = Hour[03] = 8663 )          =>          NOW ( Thu Feb 04 = Hour[03] = 7396 )         =>         Reduced By:         -14.6254

-----
 Results:
THEN ( Thu Jan 28 = Hour[02] = 27924 ) => NOW ( Thu Feb 04 = Hour[02] = 27018 ) => Reduced By: -3.24452
THEN ( Thu Jan 28 = Hour[03] =  8663 ) => NOW ( Thu Feb 04 = Hour[03] =  7396 ) => Reduced By:-14.6254

Automatically detects type of data, aligns accordingly.

See comments in script above for web page for downloading.

Best wishes ... cheers, drl
This User Gave Thanks to drl For This Post:
 

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fmt(1)								   User Commands							    fmt(1)

NAME
fmt - simple text formatters SYNOPSIS
fmt [-cs] [-w width | -width] [inputfile]... DESCRIPTION
fmt is a simple text formatter that fills and joins lines to produce output lines of (up to) the number of characters specified in the -w width option. The default width is 72. fmt concatenates the inputfiles listed as arguments. If none are given, fmt formats text from the standard input. Blank lines are preserved in the output, as is the spacing between words. fmt does not fill nor split lines beginning with a `.' (dot), for compatibility with nroff(1). Nor does it fill or split a set of contiguous non-blank lines which is determined to be a mail header, the first line of which must begin with "From". Indentation is preserved in the output, and input lines with differing indentation are not joined (unless -c is used). fmt can also be used as an in-line text filter for vi(1). The vi command: !}fmt reformats the text between the cursor location and the end of the paragraph. OPTIONS
-c Crown margin mode. Preserve the indentation of the first two lines within a paragraph, and align the left margin of each subsequent line with that of the second line. This is useful for tagged paragraphs. -s Split lines only. Do not join short lines to form longer ones. This prevents sample lines of code, and other such for- matted text, from being unduly combined. -w width | -width Fill output lines to up to width columns. OPERANDS
inputfile Input file. ENVIRONMENT VARIABLES
See environ(5) for a description of the LC_CTYPE environment variable that affects the execution of fmt. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
nroff(1), vi(1), attributes(5), environ(5) NOTES
The -width option is acceptable for BSD compatibility, but it may go away in future releases. SunOS 5.11 9 May 1997 fmt(1)
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