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Full Discussion: Need immediate help with sorting!!!
Top Forums Shell Programming and Scripting Need immediate help with sorting!!! Post 302221969 by drl on Tuesday 5th of August 2008 03:57:38 PM
Old 08-05-2008
Hi.

For folks that need more features than are found in standard sort, there is msort: MSORT

Here is a sample run with msort:
Code:
#!/bin/sh -

# @(#) s1       Demonstrate msort.

# See:
# http://billposer.org/Software/msort.html

set +o nounset
LC_ALL=C ; LANG=C ; export LC_ALL LANG
echo "Environment: LC_ALL = $LC_ALL, LANG = $LANG"
echo "(Versions displayed with local utility \"version\")"
version >/dev/null 2>&1 && version =o $(_eat $0 $1) msort
set -o nounset

FILE=${1-data1}
echo
echo " Data file $FILE:"
echo "12345678901234567890"
cat $FILE

echo
msort -b -e12,15 -c numeric -2 results -1 $FILE

echo
echo " Results from msort:"
echo
cat results

exit 0

producing (using joeyg's amended dataset on file data1):
Code:
$ ./s1
Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
Linux 2.6.25-2-686
GNU bash, version 3.2.39(1)-release (i486-pc-linux-gnu)
msort - no version provided for /usr/bin/msort.

 Data file data1:
12345678901234567890
/*--- abcd_0050 ---*/
asdfjk
adsfkja
lkjljgafsd

/*--- abcd_0005 ---*/
lkjkljbfkgj
ldfksjgf
dfkgfjb

/*--- abcd_0055 ---*/
klhfdghd
dflkjgd
jfdg

Key 1 obligatory  character range 11 through 14 Increasing numeric
Reading from data1.
Records processed:                          3
Sorting...
Records written:                            3
Comparisons:                                2

 Results from msort:

/*--- abcd_0005 ---*/
lkjkljbfkgj
ldfksjgf
dfkgfjb

/*--- abcd_0050 ---*/
asdfjk
adsfkja
lkjljgafsd

/*--- abcd_0055 ---*/
klhfdghd
dflkjgd
jfdg

This illustrates the CLI use. There is also a GUI front-end available ... cheers, drl
 

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LEARN ABOUT LINUX

echo

ECHO(1) 							   User Commands							   ECHO(1)

NAME

       echo - display a line of text

SYNOPSIS

       echo [SHORT-OPTION]... [STRING]...
       echo LONG-OPTION

DESCRIPTION

       Echo the STRING(s) to standard output.

       -n     do not output the trailing newline

       -e     enable interpretation of backslash escapes

       -E     disable interpretation of backslash escapes (default)

       --help display this help and exit

       --version
	      output version information and exit

       If -e is in effect, the following sequences are recognized:

       \     backslash

       a     alert (BEL)

            backspace

       c     produce no further output

       e     escape

       f     form feed

       
     new line

       
     carriage return

       	     horizontal tab

       v     vertical tab

       NNN  byte with octal value NNN (1 to 3 digits)

       xHH   byte with hexadecimal value HH (1 to 2 digits)

       NOTE: your shell may have its own version of echo, which usually supersedes the version described here.	Please refer to your shell's docu-
       mentation for details about the options it supports.

AUTHOR

       Written by Brian Fox and Chet Ramey.

REPORTING BUGS

       Report echo bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report echo translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2010 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 echo is maintained as a Texinfo manual.  If the info and echo programs are properly installed at your site,  the
       command

	      info coreutils 'echo invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							   ECHO(1)
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