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|
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"
|
