illumos-port-bash/examples/functions/ksh-compat-test

59 lines
1.9 KiB
Plaintext

#
# Chet Ramey <chet.ramey@case.edu>
#
# Copyright 1999 Chester Ramey
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# TThis program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# replacements for test/[ that do arithmetic expansion on the operands to
# the arithmetic operators, like ksh.
#
function test()
{
local -i n1 n3
case "$#" in
3) case "$2" in
-lt|-gt|-eq|-ne|-le|-ge) n1=$(( $1 ))
n3=$(( $3 ))
builtin test "$n1" $2 "$n3"
return $?;;
*) builtin test "$@" ;;
esac;;
*) builtin test "$@" ;;
esac
}
function [()
{
local -i n1 n3
case "$#" in
4) case "$2" in
-lt|-gt|-eq|-ne|-le|-ge) n1=$(( $1 ))
n3=$(( $3 ))
builtin [ "$n1" $2 "$n3" ]
return $?;;
*) builtin [ "$@" ;;
esac;;
*) builtin [ "$@" ;;
esac
}
q=7
[ q -lt 10 ]
echo $?
[ $q -lt 10 ]
echo $?