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Copy files without overwrite
...> <DESTINATION>
-y simply prompts before overwriting and we can pipe n to all those questions. So this would in essence just copy non-existing files. :)
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proper way to sudo over ssh
... In the ssh remote command, why do you need to execute cat and pipe the results into sudo? Can you just use sudo as the main ssh remote command?
– joanpau
May 21 '19 at 20:31
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Are there pronounceable names for common Haskell operators? [closed]
...nad.ap)
$ (none, just as " " [whitespace])
. pipe to a . b: "b pipe-to a"
!! index
! index / strict a ! b: "a index b", foo !x: foo strict x
<|> or / alternative expr <|> term: "expr or term"
++ concat / plus / append
[] ...
How can I check if a file exists in Perl?
...n file exists at that path, but it will also fire for a directory, a named pipe, a symlink, or a more exotic possibility. See the documentation for details.
Given the extension of .TGZ in your question, it seems that you expect a plain file rather than the alternatives. The -f file-test operator as...
Downloading images with node.js [closed]
...e.log('content-length:', res.headers['content-length']);
request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
});
};
download('https://www.google.com/images/srpr/logo3w.png', 'google.png', function(){
console.log('done');
});
...
Bash: Strip trailing linebreak from output
...remove all newline characters from the output. It would not be uncommon to pipe to the 'tr' utility, or to Perl if preferred:
wc -l < log.txt | tr -d '\n'
wc -l < log.txt | perl -pe 'chomp'
You can also use command substitution to remove the trailing newline:
echo -n "$(wc -l < log.txt...
How to grep for two words existing on the same line? [duplicate]
... I'm looking for lines that contain both words, how do I do that? I tried pipe like this:
7 Answers
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Is file append atomic in UNIX?
...
A write that's under the size of 'PIPE_BUF' is supposed to be atomic. That should be at least 512 bytes, though it could easily be larger (linux seems to have it set to 4096).
This assume that you're talking all fully POSIX-compliant components. For instan...
What does this symbol mean in JavaScript?
...arrow formed from equals & greater than) in JavaScript?
|> — Pipe, greater than: Pipeline operator
What does the "|>" operator do in Javascript?
function*, yield, yield* — Star after function or yield: generator functions
What is "function*" in JavaScript?
What's the yield ...