| set -- 0123456 |
| echo "all |"$1 |
| echo "4: |"${1:4} |
| echo "4:2 |"${1:4:2} |
| echo "4:-1 |"${1:4:-1} |
| echo "4:-2 |"${1:4:-2} |
| echo "4:-3 |"${1:4:-3} |
| echo "-4: |"${1: -4} |
| echo "-4:2 |"${1: -4:2} |
| echo "-4:-1 |"${1: -4:-1} |
| echo "-4:-2 |"${1: -4:-2} |
| echo "-4:-3 |"${1: -4:-3} |
| echo "-4:-4 |"${1: -4:-4} |
| i=2; echo "-4:i=2 |"${1: -4:i} |
| i=-2; echo "-4:i=-2|"${1: -4:i} |
| i=-3; echo "-4:i=-3|"${1: -4:i} |
| i=-4; echo "-4:i=-4|"${1: -4:i} |
| echo "-5: |"${1: -5} |
| echo "-6: |"${1: -6} |
| echo "-7: |"${1: -7} |
| echo "-8: |"${1: -8} |
| echo "-9: |"${1: -9} |
| echo "-9:-99 |"${1: -9:-99} |
| echo Ok:$? |
