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# 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 3 of the License, or
# (at your option) any later version.
#
# This 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, see <http://www.gnu.org/licenses/>.
#
OIFS="$IFS"
IFS=":$IFS"
eval foo="a:b:c"
IFS="$OIFS"
echo $foo
OIFS=$IFS
IFS=":$IFS"
foo=$(echo a:b:c)
IFS=$OIFS
for i in $foo
do
echo $i
done
OIFS=$IFS
IFS=":$IFS"
foo=`echo a:b:c`
IFS=$OIFS
for i in $foo
do
echo $i
done
DEFIFS=$' \t\n'
# local copy of IFS that shadows global version
function f
{
typeset IFS=:
echo $1
}
function ff
{
echo $1
}
f a:b:c:d:e
x=a:b:c:d:e
echo $x
IFS=: ff a:b:c:d:e
echo $x
# doesn't get word split
IFS=$DEFIFS
# variable assignment doesn't use new value for word splitting
IFS=: echo $x
# but does this time because of the eval
IFS=: eval echo \$x
# in posix mode, assignments preceding special builtins and functions are global
set -o posix
IFS=: export x
echo $x
IFS="$DEFIFS"
${THIS_SH} ./ifs1.sub
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