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Diffstat (limited to 'examples/functions/ksh-compat-test')
| -rw-r--r-- | examples/functions/ksh-compat-test | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/examples/functions/ksh-compat-test b/examples/functions/ksh-compat-test new file mode 100644 index 0000000..919d82b --- /dev/null +++ b/examples/functions/ksh-compat-test @@ -0,0 +1,58 @@ +# +# 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 $? |