Explicit Input with getline

So far we have been getting our input data from awk's main input stream--either the standard input (usually your terminal, sometimes the output from another program) or from the files specified on the command line. The awk language has a special built-in command called getline that can be used to read input under your explicit control.

• Getline Intro: Introduction to the getline function.
• Plain Getline: Using getline with no arguments.
• Getline/Variable: Using getline into a variable.
• Getline/File: Using getline from a file.
• Getline/Variable/File: Using getline into a variable from a file.
• Getline/Pipe: Using getline from a pipe.
• Getline/Variable/Pipe: Using getline into a variable from a pipe.
• Getline Summary: Summary Of getline Variants.

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