Added small script to process bibtex files

src/Makefile.am

@@ -589,6 +589,7 @@ filters/rcl7z \
 filters/rclabw \
 filters/rclaptosidman \
 filters/rclaudio \
+filters/rclbibtex.sh \
 filters/rclcheckneedretry.sh \
 filters/rclchm \
 filters/rcldia \

src/filters/rclbibtex.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# Remove unwanted data from bibtex file by deleting "bad" lines and
+# cleaning "good" ones. 
+
+if test "X$RECOLL_FILTER_FORPREVIEW" = "Xyes" ; then
+    sed \
+        -e '/^$/N;/^\n$/D' \
+        -e '/(bibdsk.*|month|bibsource|crossref|ee|groups|owner|pages|timestamp|url|file|price|citeulike.*|markedentry|posted-at)[[:space:]=]*/I d' \
+        -e '/@[^{]*{/ d' \
+        \
+        -e 's/{//g' \
+        -e 's/},\?$//g' \
+        -e 's/^[ 	]*//' \
+        < $1
+else
+    sed -e '/(bibdsk.*|month|bibsource|crossref|ee|groups|owner|pages|timestamp|url|file|price|citeulike.*|markedentry|posted-at)[[:space:]=]*/I d' \
+        -e '/@[^{]*{/ d' \
+        \
+        -e 's/^[^{]*{//g' \
+        -e 's/},\?$//g' \
+        -e 's/({|}|=)//g' \
+        < $1
+fi

src/sampleconf/mimeconf

@@ -166,6 +166,7 @@ text/x-c+ = internal
 text/x-csharp = internal text/plain
 text/css = internal text/plain
 application/javascript = internal text/plain
+text/x-bibtex = exec rclbibtex.sh ; mimetype = text/plain
 text/x-csv = internal text/plain
 text/x-fictionbook = exec rclfb2
 text/x-gaim-log = exec rclgaim
@@ -284,6 +285,7 @@ text/x-fictionbook = document
 text/x-html-aptosid-man = aptosid-book
 text/x-html-sidux-man = sidux-book
 text/x-ini = txt
+text/x-bibtex = txt
 text/x-lua = source
 text/x-java = source
 text/x-mail = message
@@ -348,6 +350,7 @@ text = \
       text/html \
       text/plain \
       text/rtf \
+      text/x-bibtex \
       text/x-c \
       text/x-c++ \
       text/x-c+ \

src/sampleconf/mimemap

@@ -10,6 +10,7 @@
 .srt = text/x-srt
 .ini = text/x-ini
 .csv = text/x-csv
+.bib = text/x-bibtex
 
 # Source files. 
 # Defining them with specific types allows using a specific ext viewer (in