How long does it take to read Sed & Awk?
Dale Dougherty, Arnold Robbins
Sed & Awk by Dale Dougherty, Arnold Robbins takes about 7 hours 22 minutes to read at 250 words a minute.
About 7 hours 22 minutes
A weekend read
First published 1990. 402 pages, about 110,550 words.
15 days at 30 minutes a day
Estimate based on 275 words per page.
At other speeds
| Slow, 150 words a minute | 12 hours 17 minutes |
| Average, 250 words a minute | 7 hours 22 minutes |
| Fast, 400 words a minute | 4 hours 36 minutes |
The page count is the median across 8 editions, so your copy may differ. How we calculate.
About the book
<i>sed & awk</i> describes two text processing programs that are mainstays of the UNIX programmer's toolbox.<i>sed</i> is a "stream editor" for editing streams of text that might be too large to edit as a single file, or that might be generated on the fly as part of a larger data processing step. The most common operation done with <i>sed</i> is substitution, replacing one block of text with another.<i>awk</i> is a complete programming language. Unlike many conventional languages, <i>awk</i> is "data driven" -- you specify what kind of data you are interested in and the operations to be performed when that data is found. <i>awk</i> does many things for you, including automatically opening and closing data files, reading records, breaking the records up into fields, and counting the records. While <i>awk</i> provides the features of most conventional programming languages, it also includes some unconventional features, such as extended regular expression matching and associative arrays. <i>sed & awk</i> describes both programs in detail and includes a chapter of example <i>sed</i> and <i>awk</i> scripts.This edition covers features of <i>sed</i> and <i>awk</i> that are mandated by the POSIX standard. This most notably affects <i>awk</i>, where POSIX standardized a new variable, CONVFMT, and new functions, <i>toupper</i>() and <i>tolower</i>(). The CONVFMT variable specifies the conversion format to use when converting numbers to strings (<i>awk</i> used to use OFMT for this purpose). The <i>toupper</i>() and <i>tolower</i>() functions each take a (presumably mixed case) string argument and return a new version of the string with all letters translated to the corresponding case.In addition, this edition covers GNU <i>sed</i>, newly available since the first edition. It also updates the first edition coverage of Bell Labs <i>nawk</i> and GNU <i>awk</i> (<i>gawk</i>), covers <i>mawk</i>, an additional freely available implementation of <i>awk</i>, and briefly discusses…
Subjects: Awk, Sed (Computer file), UNIX (Computer file), Utilities (Computer programs), UNIX (Computer operating system), Utilitaires (logiciels)
