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25 lines
505 B
Plaintext
25 lines
505 B
Plaintext
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var=abc123dcba123
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echo ${var/d/x}
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echo ${var/c/x}
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echo ${var//c/x}
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echo ${var/[123]/x}
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echo ${var//[123]/x}
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echo ${var/c*/x}
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echo ${var/*c/x}
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# must match longest match: result is "abx23"
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echo ${var/c*1/x}
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# empty replacement - 2nd slash can be omitted
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echo ${var/[123]}
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echo ${var//[123]}
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### ash doesn't support
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### # match only at the beginning:
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### echo ${var/#a/x}
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### echo ${var/#b/x} # should not match
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### echo ${var//#b/x} # should not match
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### # match only at the end:
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### echo ${var/%3/x}
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