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Full Discussion: Put data into tabular form
Top Forums UNIX for Dummies Questions & Answers Put data into tabular form Post 302653757 by drl on Sunday 10th of June 2012 09:27:50 AM
Old 06-10-2012
Hi.

The core of this solution is to:

1) create the title line. This could be done automatically, but would obscure the real work

2) collect groups of 4 lines,

3) remove the fruit tags,

4) align the title, names and values

Code:
#!/usr/bin/env bash

# @(#) s1	Demonstrate re-arrangement with paste, sed, align.
# align: http://freecode.com/projects/align

# Section 1, setup, pre-solution, $Revision: 1.25 $".
# Infrastructure details, environment, debug commands for forum posts. 
# Uncomment export command to run script as external user.
# export PATH="/usr/local/bin:/usr/bin:/bin" HOME=""
set +o nounset
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
db() { : ; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
C=$HOME/bin/context && [ -f $C ] && $C paste sed align
set -o nounset
pe

FILE=${1-data1}

# Display sample of data file, expected output:"
db " Section 1: display of data."
head $FILE expected-output.txt

# Section 2, solution.
pl " Results:"
db " Section 2: solution."
title=$( pe " apple banana cherry" | sed 's/  */\t/g')
paste - - - - < $FILE |
tee t1 |
sed -r 's/apple|banana|cherry//g' > t2
( pe "$title" ; cat t2 ) |
align -st |
tee f1

# Section 3, post-solution, check results, clean-up, etc.
v1=$(wc -l <expected-output.txt)
v2=$(wc -l < f1)
pl " Comparison of $v2 created lines with $v1 lines of desired results:"
db " Section 3: validate generated calculations with desired results."

pl " Comparison with desired results:"
if [ ! -f expected-output.txt -o ! -s expected-output.txt ]
then
  pe " Comparison file \"expected-output.txt\" zero-length or missing."
  exit
fi
if cmp expected-output.txt f1
then
  pe " Succeeded -- files have same content."
else
  pe " Failed -- files not identical -- detailed comparison follows."
  if diff -b expected-output.txt f1
  then
    pe " Succeeded by ignoring whitespace differences."
  fi
fi

exit 0

produciing:
Code:
% ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 2.6.26-2-amd64, x86_64
Distribution        : Debian GNU/Linux 5.0.8 (lenny) 
bash GNU bash 3.2.39
paste (GNU coreutils) 6.10
sed GNU sed version 4.1.5
align 1.7.0

 db,  Section 1: display of data.
==> data1 <==
Kapil:
apple 4
banana 6
cherry 0
Manoj:
apple 13
banana
cherry 2

==> expected-output.txt <==
         apple banana cherry
Kapil:    4       6      0
Manoj:    13             2

-----
 Results:
 db,  Section 2: solution.
	apple	banana	cherry
Kapil:	 4	 6	 0
Manoj:	 13		 2

-----
 Comparison of 3 created lines with 3 lines of desired results:
 db,  Section 3: validate generated calculations with desired results.

-----
 Comparison with desired results:
expected-output.txt f1 differ: char 1, line 1
 Failed -- files not identical -- detailed comparison follows.
 Succeeded by ignoring whitespace differences.

See man pages and the perl script align at the link in the script.

Best wishes ... cheers, drB
 

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LEARN ABOUT LINUX

pkgproto

pkgproto(1)                                                        User Commands                                                       pkgproto(1)

NAME

       pkgproto - generate prototype file entries for input to pkgmk command

SYNOPSIS

       pkgproto [-i] [-c class] [path1]

       pkgproto [-i] [-c class] [path1=path2...]

DESCRIPTION

       pkgproto scans the indicated paths and generates prototype(4) file entries that may be used as input to the pkgmk(1) command.

       If  no paths are specified on the command line, standard input is assumed to be a list of paths. If the pathname listed on the command line
       is a directory,  the contents of the directory is searched.  However, if input is read from stdin, a directory specified as a pathname will
       not be searched.

OPTIONS

       -i              Ignores symbolic links and records the paths as ftype=f (a file) versus ftype=s (symbolic link).

       -c class        Maps the class of all paths to class.

OPERANDS

       path1    Pathname where objects are located.

       path2    Pathname which should be substituted on output for path1.

EXAMPLES

       Example 1: Examples of the use of pkgproto.1.

       The following two examples show uses of pkgproto and a partial listing of the output produced.

       Example 1:

       example% pkgproto /bin=bin /usr/bin=usrbin /etc=etc
       f none bin/sed=/bin/sed 0775 bin bin
       f none bin/sh=/bin/sh 0755 bin daemon
       f none bin/sort=/bin/sort 0755 bin bin
       f none usrbin/sdb=/usr/bin/sdb 0775 bin bin
       f none usrbin/shl=/usr/bin/shl 4755 bin bin
       d none etc/master.d 0755 root daemon
       f none etc/master.d/kernel=/etc/master.d/kernel 0644 root daemon
       f none etc/rc=/etc/rc 0744 root daemon

       Example 2:

       example% find / -type d -print | pkgproto
       d none / 755 root root
       d none /bin 755 bin bin
       d none /usr 755 root root
       d none /usr/bin 775 bin bin
       d none /etc 755 root root
       d none /tmp 777 root root

EXIT STATUS

       0        Successful completion.

       >0       An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       pkgmk(1), pkgparam(1), pkgtrans(1), prototype(4), attributes(5)

       Application Packaging Developer's Guide

NOTES

       By  default,  pkgproto creates symbolic link entries for any symbolic link encountered (ftype=s). When you use the -i option, pkgproto cre-
       ates a file entry for symbolic links (ftype=f). The prototype(4) file would have to be edited to assign such file types as v (volatile),  e
       (editable), or x (exclusive directory). pkgproto detects linked files. If multiple files are linked together, the first path encountered is
       considered the source of the link.

       By default, pkgproto prints prototype entries on the standard output. However, the output should be saved in a  file  (named  Prototype  or
       prototype, for convenience) to be used as input to the pkgmk(1) command.

SunOS 5.10                                                          6 Nov 2000                                                         pkgproto(1)
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