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Chained pipelines


The redirection and piping tokens can be chained together to create complex commands. For example:

ls | grep '\.sh' | sort > shlist

lists the contents of the current directory, where this output is filtered to only contain lines which contain .sh, sort this resultant output lexicographically, and place the final output in shlist. This type of construction is used very commonly in shell scripts and batch files.
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