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AWK (/ ɔː k / [4]) is a domain-specific language designed for text processing and typically used as a data extraction and reporting tool. Like sed and grep, it is a filter, [4] and it is a standard feature of most Unix-like operating systems.
The AWK Programming Language [1] is a well-known 1988 book written by Alfred V. Aho, Brian W. Kernighan, and Peter J. Weinberger and published by Addison-Wesley, often referred to as the gray book. [2] The book describes the AWK programming language and is the de facto standard for the language, written by its inventors. W.
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Equivalently, awk may be used to print the first five lines in a file: awk 'NR < 6' filename. However, neither sed nor awk were available in early versions of BSD, which were based on Version 6 Unix, and included head. [1]
AWK is a programming language for text processing. AWK or awk may also refer to: Adwick railway station, Yorkshire, England; American Water Works (by NYSE ticker) Awabakal language, spoken in eastern Australia (ISO 639-3:awk) Wake Island Airfield, Micronesia (by IATA code)
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grep is a command-line utility for searching plaintext datasets for lines that match a regular expression.Its name comes from the ed command g/re/p (global regular expression search and print), which has the same effect.