23 lines
308 B
Text
23 lines
308 B
Text
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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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echo "${red//\\[\\e/}"
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foo="${red//\\[\\e/}"
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# foo == [0;31m\]
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echo "${foo//[0;31m\\/}"
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echo "${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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