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Added string tricks, fixed a few typos

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Derek 2018-10-27 14:03:27 -04:00
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@ -12,9 +12,9 @@
2. [Basic Shell Programming](#2-basic-shell-programming)
2.1. [Variables](#21-variables)
2.2. [Array](#22-array)
2.3. [String Substitution](#23-string-substitution)
2.4. [Other String Tricks](#24-string-tricks)
2.5. [Functions](#25-functions)
2.3. [String Substitution](#23-string-substitution)
2.4. [Other String Tricks](#24-other-string-tricks)
2.5. [Functions](#25-functions)
2.6. [Conditionals](#26-conditionals)
2.7. [Loops](#27-loops)
3. [Tricks](#3-tricks)
@ -1034,6 +1034,7 @@ case "$var" in
#otherSubString is in variable
;;
esac
```
## 2.5. Functions
As in almost any programming language, you can use functions to group pieces of code in a more logical way or practice the divine art of recursion. Declaring a function is just a matter of writing function my_func { my_code }. Calling a function is just like calling another program, you just write its name.