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How do I use shell variables in an awk script?
...awk '{print var}' var="${variable}"
or
awk '{print var}' var="${variable}" file
Adding multiple variables:
awk '{print a,b,$0}' a="$var1" b="$var2" file
In this way we can also set different Field Separator FS for each file.
awk 'some code' FS=',' file1.txt FS=';' file2.ext
Variable after...
Unlimited Bash History [closed]
I want my .bash_history file to be unlimited. e.g. So I can always go back and see how I built/configured something, or what that nifty command was, or how some command broke something weeks ago. How do I change this setting?
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How to export and import environment variables in windows?
...ond set are user-level variables. Edit as needed and then import the .reg files on the new machine.
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List of Java class file format major version numbers?
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I found a list of Java class file versions on the Wikipedia page that describes the class file format:
http://en.wikipedia.org/wiki/Java_class_file#General_layout
Under byte offset 6 & 7, the versions are listed with which Java VM they correspond t...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
...
Go to Class, to quickly open any class in the editor:
Ctrl+N
To open any file, not just classes:
Ctrl+Shift+N
Comment/Uncomment current line or selection:
Ctrl+/ and Ctrl+Shift+/
Quick JavaDoc Popup to show the JavaDoc of the method or class at the text cursor:
Ctrl+Q (Ctrl+J on Mac OS X)
Smart...
How can I export the schema of a database in PostgreSQL?
My computer broke down but fortunately I backed up
the folder C:\Program Files\PostgreSQL.
8 Answers
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How to find NSDocumentDirectory in Swift?
...{
//This gives you the string formed path
}
if let documentsPathURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first {
//This gives you the URL of the path
}
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Why do Objective-C files use the .m extension?
...een wondering why they have chosen the extension .m for the implementation files - was it supposed to mean something, or was it just a random letter?
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Bash foreach loop
I have an input (let's say a file).
On each line there is a file name.
How can I read this file and display the content for each one.
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What is the best project structure for a Python application? [closed]
...dule.
In my case, since I use Komodo Edit, my IDE cuft is a single .KPF file. I actually put that in the top-level /quux directory, and omit adding it to SVN.
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