| # these didn't work in versions of bash before bash-4.0 | |
| LNAME=nordholz | |
| echo ${LNAME[$(( 0 ))]//h/!} | |
| echo ${LNAME[$(( 2 ))]//h/!} | |
| echo ${LNAME[$(( 0 ))]##??} | |
| echo ${LNAME[$(( 2 ))]##??} | |
| echo ${LNAME[$(( 0 ))]:2} | |
| echo ${LNAME[$(( 0 ))]:2:4} | |
| echo ${LNAME[$(( 2 ))]:2} | |
| echo ${LNAME[$(( 2 ))]:2:4} |