What is sed? sed is a qstream editorq. sed rapidly and reliably transforms text files, and edits qstreamsq (program outputs) on the fly. sed is a uniquely useful text processing tool, installed by default on Unix computers. sed can also be used on a Windows PC. Who would benefit from learning sed? If you write scripts, maintain source code, maintain web sites, or process text data, sed can help make your work more productive and enjoyable. Why buy this book? qDefinitive Guide to sedq is the best way to learn sed. qDefinitive Guideq greatly lessens the confusion many encounter on trying to learn sed. It also serves as a handy reference for anytime a question arises. Any prerequisites? If you plan to use sed on Unix, it is recommended to be familiar with basic Unix commands and to have written some simple shell scripts. If you plan to use sed on Windows, it is recommended to be familiar with batch or PowerShell scripting. sed is not a qbeginner's toolq. Which sed is covered? GNU sed 4.2.1 is covered. If you use a different sed, this book is still useful for learning sed, since most of the commands are the same. What topics are covered? All sed commands and options; regular expressions as used within GNU sed; qAddressesq to specify when sed commands are run; other key Unix text utilities; many example sed scripts with full explanations. About the author: Daniel Goldman has been qin the trenchesq many years developing software, using sed along with other Unix programs, importing data, writing user guides, and helping users learn. Dan has the desire to help others master sed and feel comfortable using sed.Why buy this book? aquot;Definitive Guide to sedaquot; is the best way to learn sed. aquot;Definitive Guideaquot; greatly lessens the confusion many encounter on trying to learn sed. It also serves as a handy reference for anytime a question arises.
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