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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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How to TryParse for Enum value?
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answered Jul 4 '09 at 18:19
Victor Arndt MuellerVictor Arndt Mueller
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Uninstall old versions of Ruby gems
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answered Apr 27 '12 at 2:30
ohhoohho
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curl -GET and -X GET
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By default you use curl without explicitly saying which request method to use. If you just pass ...
Check whether a string contains a substring
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edited Dec 15 '15 at 9:40
answered Sep 2 '11 at 12:21
Eug...
LINQ: “contains” and a Lambda query
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edited Jan 13 at 12:08
Malice
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answered Oct ...
How do I search within an array of hashes by hash values in ruby?
...@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation, it "returns an array containing all elements of [the enumerable, in this case @fathers] for which block is not false."
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Why does SIGPIPE exist?
...ICER.. GitHub STOP HELPING ICE
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python dataframe pandas drop column using int
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edited Feb 16 '16 at 10:48
frederikf
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answered Nov 30 '13 at 15:06
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XPath: How to select nodes which have no attributes?
...ath, how to select nodes which have no attributes (where attribute count = 0)?
3 Answers
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