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Length of string in bash

...h and byte length: myvar='Généralités' chrlen=${#myvar} oLang=$LANG oLcAll=$LC_ALL LANG=C LC_ALL=C bytlen=${#myvar} LANG=$oLang LC_ALL=$oLcAll printf "%s is %d char len, but %d bytes len.\n" "${myvar}" $chrlen $bytlen will render: Généralités is 11 char len, but 14 bytes len. you could e...
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What are all the uses of an underscore in Scala?

...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated. ...
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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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How do SO_REUSEADDR and SO_REUSEPORT differ?

...em, it should be noted that the BSD socket implementation is the mother of all socket implementations. Basically all other systems copied the BSD socket implementation at some point in time (or at least its interfaces) and then started evolving it on their own. Of course the BSD socket implementatio...
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How to word wrap text in HTML?

... It's CSS3, but it works in almost all mainstream browsers, including IE5.5 -> 9 - caniuse.com/#search=word-wrap – Jon Hadley Jan 27 '11 at 9:10 ...
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Unzip All Files In A Directory

I have a directory of ZIP files (created on a Windows machine). I can manually unzip them using unzip filename , but how can I unzip all the ZIP files in the current folder via the shell? ...
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How do I run all Python unit tests in a directory?

...it test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the two methods, and I hope someone out there ...
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Getting the names of all files in a directory with PHP

... Not all filenames have the form *.*: just use * instead. – jameshfisher Feb 24 '14 at 17:17 ...
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how perform grep operation on all files in a directory

... grep $PATTERN * would be sufficient. By default, grep would skip all subdirectories. However, if you want to grep through them, grep -r $PATTERN * is the case. share | improve this answer ...
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node.js require all files in a folder?

How do I require all files in a folder in node.js? 14 Answers 14 ...