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# case 1: readonly modifying local scalar variables
o1() {
local i1 j1
readonly i1=$1
readonly j1="1 2 3"
echo "in o1 (readonly modifying local scalars):"
declare -p i1
declare -p j1
}
o1 "a b c"
echo after o1:
declare -p i1 j1
unset i1 j1
# case 2: readonly setting global scalar variables
o2() {
readonly i2=$1
readonly j2="1 2 3"
echo "in o2 (readonly setting global scalars):"
declare -p i2
declare -p j2
}
o2 "a b c"
echo after o2:
declare -p i2 j2
unset i2 j2
# case 3: readonly modifying local variables, converting to arrays
o3() {
local i3 j3
readonly i3=($1)
readonly j3=(1 2 3)
echo "in o3 (readonly modifying locals, converting to arrays):"
declare -p i3
declare -p j3
}
o3 "a b c"
echo after o3:
declare -p i3 j3
unset i3 j3
# case 4: readonly setting global array variables
o4() {
readonly i4=($1)
readonly j4=(1 2 3)
echo "in o4 (readonly setting global array variables):"
declare -p i4
declare -p j4
}
o4 "a b c"
echo after o4:
declare -p i4 j4
unset i4 j4
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