Shell Data Processing - Filter (Stream Operator)

About

This page is about pipeline operator in a shell language.

They are known as filter in a shell language.

It is a computer program or shell command (subroutine) that:

• read from standard input (stream)
• and write to standard output (stream).

In other word, it processes a stream and produces another stream.

List

Gnu

Shell Data Processing - (GNU Core) Utilities - XCU

• awk
• cat
• comm
• cut
• expand
• compress
• fold
• grep
• head
• less
• more
• nl
• perl
• paste
• pr
• sed
• sh
• sort
• split
• strings
• tail
• tac
• tee
• tr
• uniq
• wc
• zcat

Dos

DOS - Filter Commands

Documentation / Reference

• wiki/Filter_(software)