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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
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
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