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How to pipe and redirect like a pro in the Linux command line
Many hands make light work.
The first line writes "hello world" to the file "output", the second reads it back and writes it to standard output (normally the terminal). A "here" document is essentially a temporary, nameless file ...
Recently I needed to create a script that processed two input files. By processed I mean that the script needed to get a line from one file, then get a line from the second file, and then do something ...
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