Merge 295fe153ad into 877537228f

Hello, I've added a small blockquote below the description to indicate that this method of accessing an indefinite number of function arguments has been superseded by the use of the spread operator via rest parameters for ES6+ compatibility.

README.md

@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1507 TILs and counting..._
+_1508 TILs and counting..._
 
 ---
 
@@ -1465,6 +1465,7 @@ _1507 TILs and counting..._
 - [Global Substitution On The Previous Command](unix/global-substitution-on-the-previous-command.md)
 - [Globbing For All Directories In Zsh](unix/globbing-for-all-directories-in-zsh.md)
 - [Globbing For Filenames In Zsh](unix/globbing-for-filenames-in-zsh.md)
+- [Gracefully Exit A Script With Trap](unix/gracefully-exit-a-script-with-trap.md)
 - [Grep For Files Without A Match](unix/grep-for-files-without-a-match.md)
 - [Grep For Files With Multiple Matches](unix/grep-for-files-with-multiple-matches.md)
 - [Grep For Multiple Patterns](unix/grep-for-multiple-patterns.md)

javascript/accessing-arguments-to-a-function.md

@@ -5,6 +5,8 @@ an array-like object with all of the arguments to the function. Even if not
 all of the arguments are referenced in the function signature, they can
 still be accessed via the `arguments` object.
 
+> For ES6+ compatibility, the `spread` operator used via [rest parameters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters) is preferred over the `arugments` object when accessing an abritrary number of function arguments.
+
 ```javascript
 function argTest(one) {
   console.log(one);

unix/gracefully-exit-a-script-with-trap.md

@@ -0,0 +1,29 @@
+# Gracefully Exit A Script With Trap
+
+With `trap` you can intercept signals that would cause your script to exit and
+then inject some additional behavior. Perhaps you want to make sure the script
+cleans up after itself before it exists.
+
+During this script's execution, it creates a file in the filesystem. It would
+be nice to make sure that no matter path this script ends up down that it will
+clean up after itself as it exits. We set up a `trap` that looks for the `EXIT`
+signal to do this.
+
+```bash
+# Set up trap
+trap 'echo "Cleaning up temp files"; rm -f *.tmp' EXIT
+
+# Create temporary file
+echo "test data" > work.tmp
+
+# Do some work
+cat work.tmp
+
+# Trap will clean up on exit
+```
+
+Whatever is in quotes is what the trap will execute when it is triggered. The
+following one or more signals are what the trap listens for, in this case
+`EXIT`.
+
+[source](https://tldp.org/LDP/Bash-Beginners-Guide/html/sect_12_02.html)