From 055e4ba09cd49b2fb8fdbd2119481e86554e1d81 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Sun, 26 Sep 2010 22:40:54 -0700
Subject: Add script; works fine, but not ready for use.

---
 lognotify.sh | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100755 lognotify.sh

(limited to 'lognotify.sh')

diff --git a/lognotify.sh b/lognotify.sh
new file mode 100755
index 0000000..ba14cc3
--- /dev/null
+++ b/lognotify.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# Copyright 2010 David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
+# Distributed under the terms of the GNU General Public License v3
+
+if [ $# != 3 ]; then
+	echo "$0: incorrect number of arguments" >&2
+	exit 1
+fi
+
+IDENTIFIER="$1"
+SERVER="$2"
+LOGPATH="$3"
+
+CACHEDIR="${HOME}/.cache/lognotify"
+
+# Setup cache directory if nonexistent.
+if [ ! -d "${CACHEDIR}" ]; then
+	echo -n "* Creating cache directory... "
+	mkdir -p "${CACHEDIR}"
+	echo "Done"
+fi
+
+if [ ! -f "${CACHEDIR}/${IDENTIFIER}" ]; then
+	echo -n "* Creating cache file for log... "
+	touch "${CACHEDIR}/${IDENTIFIER}"
+	echo "Done"
+fi
+
+echo -n "* Determining number of lines in cached log... "
+LINES=$(wc -l "${CACHEDIR}/${IDENTIFIER}" | cut -f1 -d' ')
+echo "${LINES}"
+
+echo -n "* Acquiring new lines via SSH... "
+if [ "${LINES}" == 0 ]; then
+	LOGAPPEND=$(ssh ${SERVER} "cat ${LOGPATH}")
+else
+	LOGAPPEND=$(ssh ${SERVER} "cat ${LOGPATH} | sed -e '1,${LINES}d'")
+fi
+echo "Done"
+
+if [ -n "${LOGAPPEND}" ]; then
+	echo "* Number of new lines: $(echo "${LOGAPPEND}" | wc -l)"
+	echo
+	echo "${LOGAPPEND}" | tee -a "${CACHEDIR}/${IDENTIFIER}"
+else
+	echo "* No new lines found."
+fi
-- 
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