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#!/bin/sh
# vim: set filetype=sh :
# file: example.multiply
# copyright: Bernd Schumacher <bernd.schumacher@hpe.com> (2007-2020)
# license: GNU General Public License, version 3
# description: example script that changes global and local variables in functions
# warning: do not use this as an example, because iashell is not designed
# for small functions. To learn more please read shellia(7)
# see also: test.multiply
set -e
set -u
# this example is just to test some features of ia
# but ia should not be used in that way in real scripts
. ./ia
plus()
{
eval "$ia_init"
ia_stdout "^[0-9]+$"
ia_add "echo $(($1 + $2))"
ia -c
}
mult()
{
local ret
eval "$ia_init"
ia_add "ret=0"
for i in $(seq $1); do
ia_nocheck
ia_add "ret=\$(plus <-i> \$ret $2)"
done
ia_stdout "^[0-9]+$"
ia_add "echo \$ret"
ia -c
}
eval "$ia_init"
ia_nocheck
ia_add "x=\$(mult <-i> 3 2)"
ia_stdout "^x=[0-9]+$"
ia_add "echo x=\$x"
ia -c
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