Shell Programming and Scripting

sort -V

G456 KT1 34
K234 KT10 45
L2 KT2 26
H5 LAF2 28
F3 LAF2 36

G456 KT1 34
L2 KT2 26
K234 KT10 45
F3 LAF2 36
H5 LAF2 28

sed -r 's/(^| )([[:alpha:]]+)([[:digit:]]+)/\1\2 \3/g' file | sort -k3,3 -k4,4n -k1,1 -k2,2n | sed -r 's/([[:alpha:]]+) ([[:digit:]]+)/\1\2/g'

       msort provides twelve types of key comparison: lexicographic,  numeric,
       numeric  string, hybrid, by string length, by angle, by date, by domain
       name, by time, by ISO8601 date/time stamp, by month name, and random.
-- man msort

#!/usr/bin/env bash

# @(#) s1	Demonstrate ordering of hybrid strings, msort.
# Requires: libc6 (>= 2.7-1), libgmp3c2, libicu38 (>= 3.8-5), libtre4, libuninum5
# If not in repository, see:
# homepage: http://www.billposer.org/Software/msort.html

# 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

FILE=${1-data1}

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

pl " Expected results:"
cat expected-results.txt

pl " Results:"
msort -q -l -n2,2 -chybrid -n1,1 -clexicographic $FILE

exit 0

$ ./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 5.0.8 (lenny, workstation) 
bash GNU bash 3.2.39

-----
 Input data file data1:
G456 KT1 34
K234 KT10 45
L2 KT2 26
H5 LAF2 28
F3 LAF2 36

-----
 Expected results:
G456 KT1 34
L2 KT2 26
K234 KT10 45
F3 LAF2 36
H5 LAF2 28

-----
 Results:
G456 KT1 34
L2 KT2 26
K234 KT10 45
F3 LAF2 36
H5 LAF2 28

sed: illegal option -- r