#!/bin/bash

: << =cut

=head1 NAME

file_length_ - Plugin to monitor the length of specified files

Useful for things such as lists (white, black, user, ...).

=head1 CONFIGURATION

    [file_length_IDENTIFIER]
    env.files FILEPATHGLOB1 FILEPATHGLOB2 ...
    env.category DEFAULTS_TO_system
    env.title OPTIONAL_TITLE
    env.logarithmic 1

=head1 AUTHOR

Olivier Mehani (based on disk/log_sizes)

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf suggest

=cut

#NAME=`echo $0 | sed 's/.*_//'`
NAME=${0#*_}
TITLE=${title:-File lengths for $NAME}
CATEGORY=${category:-system}

FILES=${files:-/var/log/messages}
FILES=$(echo $(ls $FILES))


if [ "$1" = "config" ] ; then
	if [ ${logarithmic} = 1 ]; then
		graph_args="-o"
	else
		graph_args="-l 0"
	fi
	cat <<EOF
graph_title ${TITLE}
graph_args ${graph_args} --base 1000
graph_category ${CATEGORY}
graph_info This graph shows the length of ${FILES}
graph_vlabel length (lines)
EOF

	for F in $FILES; do
		MF=`echo $F | sed 's/[-\/\.]/_/g'`
		echo "$MF.label ${F##*/}"
	done

else
	for F in $FILES; do
		MF=`echo $F | sed 's/[-\/\.]/_/g'`
		echo -n "$MF.value "
		cat $F | wc -l
		echo -n "$MF.extinfo "
		stat --printf="%sB\n" $F
	done
fi