57 lines
1.3 KiB
Text
57 lines
1.3 KiB
Text
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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unset f ; f=abcd
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first_char=${f[@]:0:1}
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recho $first_char
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first_char=${f[0]:0:1}
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recho $first_char
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first_char=${f:0:1}
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recho $first_char
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first_char="${f[@]:0:1}"
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recho $first_char
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first_char="${f[@]:0:1}"
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recho $first_char
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first_char="${f[0]:0:1}"
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recho $first_char
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first_char="${f:0:1}"
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recho $first_char
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unset f;
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f=( one two three )
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first_word=${f[@]:0:1}
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recho $first_word
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first_word=${f[0]:0:1}
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recho $first_word
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first_word=${f:0:1}
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recho $first_word
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unset f;
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f=( one two three )
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first_word=${f[@]:0:1}
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recho $first_word
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set -- abc def ghi
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printf '<%s> ' "123 $@ 456"; echo
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printf '<%s> ' "123 $@\ 456"; echo
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