Some examples regarding the bash shell scripting language

1. Arguments: Passage of arguments from the shell to a bash script
2. Example 1: Extraction of some statistics regarding files (for and if statements)
3. Example 2: Print the numbers between 1 and 20, with the exception of the number 4 and 13 (while and if statements).
4. Example 3: Sum of a set of numbers passed to the script as a command line argument.
5. Example 4: Script to obtain some statistics about running processes (bash if and shift commands)
6. Example 5: Found a file inside a list of directories
7. Read Files: How to read a file word-by-word, line-by-line, character-by-character
8. Arrays: Bash arrays and associative arrays
9. Exam 20140908: Solution of the 2014/09/08 exam