| unset f ; f=abcd | |
| first_char=${f[@]:0:1} | |
| recho $first_char | |
| first_char=${f[0]:0:1} | |
| recho $first_char | |
| first_char=${f:0:1} | |
| recho $first_char | |
| first_char="${f[@]:0:1}" | |
| recho $first_char | |
| first_char="${f[@]:0:1}" | |
| recho $first_char | |
| first_char="${f[0]:0:1}" | |
| recho $first_char | |
| first_char="${f:0:1}" | |
| recho $first_char | |
| unset f; | |
| f=( one two three ) | |
| first_word=${f[@]:0:1} | |
| recho $first_word | |
| first_word=${f[0]:0:1} | |
| recho $first_word | |
| first_word=${f:0:1} | |
| recho $first_word | |
| unset f; | |
| f=( one two three ) | |
| first_word=${f[@]:0:1} | |
| recho $first_word | |
| set -- abc def ghi | |
| printf '<%s> ' "123 $@ 456"; echo | |
| printf '<%s> ' "123 $@\ 456"; echo | |