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redirect COPY of stdout to log file from within bash script itself
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#!/usr/bin/env bash
# Redirect stdout ( > ) into a named pipe ( >() ) running "tee"
exec > >(tee -i logfile.txt)
# Without this, only stdout would be captured - i.e. your
# log file would not contain any error messages.
# SEE (and upvote) the answer by Adam Spiers, wh...
What is an idempotent operation?
...ne that has no additional effect if it is called more than once with the same input parameters. For example, removing an item from a set can be considered an idempotent operation on the set.
In mathematics, an idempotent operation is one where f(f(x)) = f(x). For example, the abs() function is idem...
Passing parameters to a Bash function
I am trying to search how to pass parameters in a Bash function, but what comes up is always how to pass parameter from the command line.
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How to copy part of an array to another array in C#?
...ce array
b = destination array
0 = start index in destination array
3 = elements to copy
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What does `:_*` (colon underscore star) do in Scala?
...constructor signature
new Elem(prefix: String, label: String, attributes: MetaData, scope: NamespaceBinding,
child: Node*)
which is called as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a sequence, not child1, child2, etc. so ...
What is the purpose of the vshost.exe file?
...st.exe feature was introduced with Visual Studio 2005 (to answer your comment).
The purpose of it is mostly to make debugging launch quicker - basically there's already a process with the framework running, just ready to load your application as soon as you want it to.
See this MSDN article and ...
When should you not use virtual destructors?
...ass
No specific reason to avoid it unless you are really so pressed for memory.
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What to do with branch after merge
I had two branches: master and branch1 . I just merged branch1 back into master and I'm done with that branch. Should I delete it or just let it sit around? Will deleting it cause any loss of data?
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Split long commands in multiple lines through Windows batch file
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You can break up long lines with the caret ^ as long as you remember that the caret and the newline following it are completely removed. So, if there should be a space where you're breaking the line, include a space. (More on that below.)
Example:
copy file1.txt file2.txt
would be w...
Read user input inside a loop
I am having a bash script which is something like following,
6 Answers
6
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