mirror of https://github.com/n-hys/bash.git
35 lines
981 B
Plaintext
35 lines
981 B
Plaintext
# 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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# expansions involving patterns
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var='[hello'
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echo "${var//[/}"
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red='\[\e[0;31m\]'
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printf "%s\n" "${red//\\[\\e/}"
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foo="${red//\\[\\e/}"
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# foo == [0;31m\]
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printf "%s\n" "${foo//[0;31m\\/}"
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echo "${var//[]/}"
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echo "${red//[]/}"
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v=hello
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foo='[:alpha:]'
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echo ${v//[[:alpha:]]/}
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echo ${v//[[:alpha]]/}
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echo ${v//[[:alpha]/}
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