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How do I use Ruby for shell scripting?
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Backticks do string interpolation:
blah = 'lib'
`touch #{blah}`
You can pipe inside Ruby, too. It's a link to my blog, but it links back here so it's okay :) There are probably more advanced things out there on this topic.
As other people noted, if you want to get serious there is Rush: not just ...
Can I get “&&” or “-and” to work in PowerShell?
&& is notoriously hard to search for on Google Search, but the best I've found is this article which says to use -and .
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How to create an empty file at the command line in Windows?
... 0 filename
1 file(s) 0 bytes
The "<nul" pipes a nul response to the set/p command, which will cause the
variable used to remain unchanged. As usual with set/p, the string to the
right of the equal sign is displayed as a prompt with no CRLF.
Since here the "s...
process.waitFor() never returns
...k, and even deadlock.
Fail to clear the buffer of input stream (which pipes to the output stream of subprocess)
from Process may lead to a subprocess blocking.
Try this:
Process process = Runtime.getRuntime().exec("tasklist");
BufferedReader reader =
new BufferedReader(new InputStreamRead...
What's the best way to determine the location of the current PowerShell script?
Whenever I need to reference a common module or script, I like to use paths relative to the current script file. That way, my script can always find other scripts in the library.
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Renaming files in a folder to sequential numbers
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If you move the pipe character to the end of the previous line, you don't need any backslashes.
– tripleee
Jan 8 '18 at 14:22
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How to call shell commands from Ruby
... also, "Trick an application into thinking its stdout is a terminal, not a pipe".
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“message failed to fetch from registry” while trying to install any module
I can't install any node module from the npm.
14 Answers
14
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How to search a string in multiple files and return the names of files in Powershell?
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Pipe the content of your
Get-ChildItem -recurse | Get-Content | Select-String -pattern "dummy"
to fl *
You will see that the path is already being returned as a property of the objects.
IF you want just the path, use sel...
How do I copy a file in Python?
... it will be replaced.
Special files such as character or block devices and pipes cannot be copied with this function.
With copy, src and dst are path names given as strings.
If you use os.path operations, use copy rather than copyfile. copyfile will only accept strings.
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