Bash Coding Workbook for Beginners: 550+ Exercises with Step-by-Step Solutions - Learn Bash Through Hands-On Practice, Debugging, and Problem Solving (Code Practice Workbooks 10)
English | October 12, 2026 | ASIN: B0HMPM4LZ2 | 1071 pages | Epub | 705.37 KB
Bash rewrites what you typed before your script ever sees it.You have pasted a script from a web page, changed one line, and watched it do something you did not ask for - delete the wrong file, skip half the input, or print nothing at all and report success. That is not a knowledge problem. It is a practice problem, and reading more will not close it.This workbook is 550 exercises, ordered so that each one builds on what the last one taught. You write scripts, you predict what they print before you run them, and you diagnose broken scripts that fail exactly the way real ones do.Every line in this book was executed before it was printed.Not proofread. Run - on GNU bash 5.2.21 with the GNU tools on Ubuntu 24.04, checked again on bash 5.3.9 and on mawk - with the real output pasted in unedited. Every solution, every error message, every hang. Scripts are run under a real terminal, not a pipe, so a script that crashes shows you exactly what you would see.What is inside20 chapters, from your first script to quoting, word splitting and globbing, exit status, arithmetic, loops, redirection, functions, arrays, parameter expansion, options, grep, sed, awk, find, and strict mode244 drills, graded from near-trivial to genuinely hard, each with a full worked solution125 broken scripts to diagnose - you decide whether each fails to parse, errors at run time, prints the wrong answer, or hangs119 predict-the-output puzzles that turn the traps into muscle memory3 mixed reviews with no topic in the heading, and 3 debugging labs with a long script and three hidden defects3 capstone projects built in stages - an access-log report, a backup rotation, and an inventory reconciler4 appendices, including a decoder for every error message in the book and a macOS, BSD and zsh portability guideNo setup tax. Everything runs with the shell you already have. Nothing to download, nothing that breaks when a package updates.Written for the mistakes that cost people afternoons - an unquoted variable that deletes the wrong file, 2>&1 on the wrong side of the redirect, a while read loop whose variables vanish at the end, uniq that only collapses adjacent lines, and set -e sold as a safety net that quietly does not fire. Not obscure trivia. The specific traps that waste real days.Space to write is built in after every exercise, because working a problem on paper before typing is the difference between practicing programming and practicing typing.Book Ten in the Code Practice Workbooks series.
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