parameter=abcdef | |
offset=2 | |
noffset=-2 | |
echo "parameter '${parameter}'" | |
echo "varoffset2 '${parameter:${offset}}'" | |
echo "varoffset-2 '${parameter:${noffset}}'" | |
echo "literal '2' '${parameter:2}'" | |
# This is not interpreted as ${VAR:POS{:LEN}}, | |
# but as ${VAR:=WORD} - if VAR is unset or null, substitute WORD | |
echo "literal '-2' '${parameter:-2}'" | |
echo "literal ' -2' '${parameter: -2}'" |