How to Remove all empty lines in a file on Linux and Windows?

Remove empty lines from file.txt via Linux command line

• Option 1: sed -i ‘/^$/d’ file.txt
• Option 2: awk ‘NF > 0’ file.txt > output.txt
• Option 3: perl -i.backup -n -e “print if /\S/” file.txt
• Option 4: grep . file.txt > output.txt

Remove empty lines from file.txt using Powershell script on Windows

(gc file.txt) | ? {$_.trim() -ne “” } | set-content file.txt

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List of Freely available programming books - What is the single most influential book every Programmers should read

• Bjarne Stroustrup - The C++ Programming Language
• Brian W. Kernighan, Rob Pike - The Practice of Programming
• Donald Knuth - The Art of Computer Programming
• Ellen Ullman - Close to the Machine
• Ellis Horowitz - Fundamentals of Computer Algorithms
• Eric Raymond - The Art of Unix Programming
• Gerald M. Weinberg - The Psychology of Computer Programming
• James Gosling - The Java Programming Language
• Joel Spolsky - The Best Software Writing I
• Keith Curtis - After the Software Wars
• Richard M. Stallman - Free Software, Free Society
• Richard P. Gabriel - Patterns of Software
• Richard P. Gabriel - Innovation Happens Elsewhere
• Code Complete (2nd edition) by Steve McConnell
• The Pragmatic Programmer
• Structure and Interpretation of Computer Programs
• The C Programming Language by Kernighan and Ritchie
• Introduction to Algorithms by Cormen, Leiserson, Rivest & Stein
• Design Patterns by the Gang of Four
• Refactoring: Improving the Design of Existing Code
• The Mythical Man Month
• The Art of Computer Programming by Donald Knuth
• Compilers: Principles, Techniques and Tools by Alfred V. Aho, Ravi Sethi and Jeffrey D. Ullman
• Gödel, Escher, Bach by Douglas Hofstadter
• Clean Code: A Handbook of Agile Software Craftsmanship by Robert C. Martin
• Effective C++
• More Effective C++
• CODE by Charles Petzold
• Programming Pearls by Jon Bentley
• Working Effectively with Legacy Code by Michael C. Feathers
• Peopleware by Demarco and Lister
• Coders at Work by Peter Seibel
• Surely You're Joking, Mr. Feynman!
• Effective Java 2nd edition
• Patterns of Enterprise Application Architecture by Martin Fowler
• The Little Schemer
• The Seasoned Schemer
• Why's (Poignant) Guide to Ruby
• The Inmates Are Running The Asylum: Why High Tech Products Drive Us Crazy and How to Restore the Sanity
• The Art of Unix Programming
• Test-Driven Development: By Example by Kent Beck
• Practices of an Agile Developer
• Don't Make Me Think
• Agile Software Development, Principles, Patterns, and Practices by Robert C. Martin
• Domain Driven Designs by Eric Evans
• The Design of Everyday Things by Donald Norman
• Modern C++ Design by Andrei Alexandrescu
• Best Software Writing I by Joel Spolsky
• The Practice of Programming by Kernighan and Pike
• Pragmatic Thinking and Learning: Refactor Your Wetware by Andy Hunt
• Software Estimation: Demystifying the Black Art by Steve McConnel
• The Passionate Programmer (My Job Went To India) by Chad Fowler
• Hackers: Heroes of the Computer Revolution
• Algorithms + Data Structures = Programs
• Writing Solid Code
• JavaScript - The Good Parts
• Getting Real by 37 Signals
• Foundations of Programming by Karl Seguin
• Computer Graphics: Principles and Practice in C (2nd Edition)
• Thinking in Java by Bruce Eckel
• The Elements of Computing Systems
• Refactoring to Patterns by Joshua Kerievsky
• Modern Operating Systems by Andrew S. Tanenbaum
• The Annotated Turing
• Things That Make Us Smart by Donald Norman
• The Timeless Way of Building by Christopher Alexander
• The Deadline: A Novel About Project Management by Tom DeMarco
• The C++ Programming Language (3rd edition) by Stroustrup
• Patterns of Enterprise Application Architecture
• Computer Systems - A Programmer's Perspective
• Agile Principles, Patterns, and Practices in C# by Robert C. Martin
• Growing Object-Oriented Software, Guided by Tests
• Framework Design Guidelines by Brad Abrams
• Object Thinking by Dr. David West
• Advanced Programming in the UNIX Environment by W. Richard Stevens
• Hackers and Painters: Big Ideas from the Computer Age
• The Soul of a New Machine by Tracy Kidder
• CLR via C# by Jeffrey Richter
• The Timeless Way of Building by Christopher Alexander
• Design Patterns in C# by Steve Metsker
• Alice in Wonderland by Lewis Carol
• Zen and the Art of Motorcycle Maintenance by Robert M. Pirsig
• About Face - The Essentials of Interaction Design
• Here Comes Everybody: The Power of Organizing Without Organizations by Clay Shirky
• The Tao of Programming
• Computational Beauty of Nature
• Writing Solid Code by Steve Maguire
• Philip and Alex's Guide to Web Publishing
• Object-Oriented Analysis and Design with Applications by Grady Booch
• Effective Java by Joshua Bloch
• Computability by N. J. Cutland
• Masterminds of Programming
• The Tao Te Ching
• The Productive Programmer
• The Art of Deception by Kevin Mitnick
• The Career Programmer: Guerilla Tactics for an Imperfect World by Christopher Duncan
• Paradigms of Artificial Intelligence Programming: Case studies in Common Lisp
• Masters of Doom
• Pragmatic Unit Testing in C# with NUnit by Andy Hunt and Dave Thomas with Matt Hargett
• How To Solve It by George Polya
• The Alchemist by Paulo Coelho
• Smalltalk-80: The Language and its Implementation
• Writing Secure Code (2nd Edition) by Michael Howard
• Introduction to Functional Programming by Philip Wadler and Richard Bird
• No Bugs! by David Thielen
• Rework by Jason Freid and DHH
• JUnit in Action

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