feat: arguments and file aggregation

Early work, going to wait a few days for my new box to get enough data
to run this properly.

nginx-popular-paths.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+# Nginx Popular Paths
+# Just a simple script to mine Nginx logs to find the most popular paths.
+#
+# Usage:
+# ./nginx-popular-paths.sh [-L|--logfile <file>] [-D|--days <n>] [-C|--count <n>]
+#
+# Author: Josh Sherman (joshtronic.com)
+# Link: https://git.sherver.org/joshtronic/nginx-popular-paths
+# License: MIT
+
+# Argument defaults
+LOGFILE='/var/log/nginx/access.log'
+DAYS=30
+COUNT=10
+
+# Parse any arguments
+while [[ "$#" -gt 0 ]]; do
+  case "$1" in
+    -C|--count)
+      COUNT="$2"
+      shift 2
+      ;;
+    -D|--days)
+      DAYS="$2"
+      shift 2
+      ;;
+    -L|--logfile)
+      LOGFILE="$2"
+      shift 2
+      ;;
+    -*)
+      echo "Unknown option: $1" >&2
+      exit 1
+      ;;
+    *)
+      break
+      ;;
+  esac
+done
+
+# Stand up and tear down our temp file
+TMPFILE=$(mktemp)
+trap 'rm -f "$TMPFILE"' EXIT
+
+# Start with the base logfile
+[[ -f "$LOGFILE" ]] && cat "$LOGFILE" >> "$TMPFILE"
+
+# Look for additional logfiles and archives
+for i in $(seq 1 99); do
+  RAWFILE="$LOGFILE.$i"
+  GZFILE="$LOGFILE.$i.gz"
+
+  if [[ -f "$RAWFILE" ]]; then
+    cat "$RAWFILE" >> "$TMPFILE"
+  elif [[ -f "$GZFILE" ]]; then
+    zcat "$GZFILE" >> "$TMPFILE"
+  else
+    break
+  fi
+done
+
+# DEBUG: Log the new file
+cat $TMPFILE