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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 XFREE86

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

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report echo 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/echo>
       or available locally via: info '(coreutils) echo invocation'

GNU coreutils 8.28                                                 January 2018                                                            ECHO(1)
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