Add quote-get

README.md

@@ -55,6 +55,7 @@ Here's a list of the most interesting ones, along with what they do and where th
  - [colortrans](https://gist.github.com/MicahElliott/719710) - Convert rgb colours to xterm ones
  - nautilus-here - A quick command that  opens nautilus in the current directory. For lazy people :P
  - ssh-retry - I forget where it came from, but this command reepeatedly calls ssh until it succeeds in connecting.
+ - quote-get - Displays a random quote from a remote file. The quote stays the same until the following day. The remote file is cached locally for convenience :smiley_cat:
 
 ## cloudsurfer.sh
 `cloudsurfer.sh` is a new script I'm writing to bring some of the customisations I store here in this repository to terminals on shared machines - where I can't modify `.bashrc`, for example.

quote-get

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+
+quotes_cache_file="${HOME}/.cache/quotes.txt";
+update_cache_every="1 day";
+
+if [[ "$#" -lt "1" ]]; then
+	echo -e "Quote generation tool"
+	echo -e "By Starbeamrainbowlabs"
+	echo -e ""
+	echo -e "Downloads and caches a quote file and picks out a random (per day) quote."
+	echo -e ""
+	echo -e "Usage:"
+	echo -e "    quote-get {quote-file-url}"
+	exit 1;
+fi
+
+quotes_url="$1";
+
+if [ ! -d "$(dirname "${quotes_cache_file}")" ]; then
+	mkdir -p "${quotes_cache_file}";
+fi
+
+function download_quotes {
+	#echo -ne "> Downloading quotes file - " 1>&2;
+	curl -o "${quotes_cache_file}" -L ${quotes_url} 2>/dev/null;
+	#echo -e "done" 1>&2;
+}
+
+# Download the quotes file if it doesn't exist already
+if [ ! -f "${quotes_cache_file}" ]; then
+	download_quotes;
+fi
+
+# Update the quotes file if it's out of date
+oldest_allowed=$(date -d "now - ${update_cache_every}" +%s);
+cache_filemtime=$(date -r "${quotes_cache_file}" +%s);
+
+if (( $cache_filemtime <= $oldest_allowed )); then
+	download_quotes;
+fi
+
+# Generate a quote
+quote_count=$(cat "${quotes_cache_file}" | wc -l);
+
+# Set the random number generator seed to ensure we give the same quote on a per-day basis
+RANDOM=$(date +%Y-%m-%d);
+
+quote_line=$((( $RANDOM % ${quote_count} )));
+
+sed -n ${quote_line}p "${quotes_cache_file}";