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Using unset vs. setting a variable to empty
I'm currently writing a bash testing framework, where in a test function, both standard bash tests ( [[ ) as well as predefined matchers can be used. Matchers are wrappers to '[[' and besides returning a return code, set some meaningful message saying what was expected.
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Too many 'if' statements?
The following code does work how I need it to, but it's ugly, excessive or a number of other things. I've looked at formulas and attempted to write a few solutions, but I end up with a similar amount of statements.
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What are rvalues, lvalues, xvalues, glvalues, and prvalues?
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
How can I randomize the lines in a file using standard tools on Red Hat Linux?
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Command line to remove an environment variable from the OS level configuration
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To remove the variable from the current environment (not permanently):
set FOOBAR=
To permanently remove the variable from the user environment (which is the default place setx puts it):
REG delete HKCU\Environment /F /V FOOBAR
If the variabl...
Fast Linux File Count for a large number of files
I'm trying to figure out the best way to find the number of files in a particular directory when there are a very large number of files ( > 100,000).
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When should I use cross apply over inner join?
What is the main purpose of using CROSS APPLY ?
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How to filter files when using scp to copy dir recursively?
I need to copy all the .class files from server to local with all dir reserved. e.g. server:/usr/some/unknown/number/of/sub/folders/me.class will be /usr/project/backup/some/unknown/number/of/sub/folders/me.class the problem is, there are many other useless files such as .svn-base files that i d...
How to do a recursive find/replace of a string with awk or sed?
How do I find and replace every occurrence of:
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