MIT-Curricular/OS/bash/Week3/answers.md

Answers for Lab 3 - OS

1. q1.sh - File or Folder check -Using echo and if-elseif-fi statements.
2. q2.sh - Filename Search - Using find args, primarily iname for pattern matching and `-type>
3. q3.sh - Extension Change - .txt -> .txt. Mainly using mv, but cut was used with a deli>
4. q4.sh - Arithmetic in echo - bc -l is used for mathlib for arithmetic arg printed by echo.
5. q5.sh - Directory with Custom Files - application of basic mkdir, cp, find commands
6. q6.sh - Start of the line mod - sed args stacked to meet query requirements.
7. q7.sh - Even Number Line deletion - Uses read to parse through a file, and an iterating vari>

Additional Exercises

1. addq1.sh - Prime Number Checker - if-else and for loops.
2. addq2.sh - Factorial - for loop almost exclusively.
3. addq3.sh - EvenFile vs Oddfile - read, if-else and while loops