remove extra tab from bibsum output

1 files changed, 8 insertions, 4 deletions

diff --git a/bibsum b/bibsum
index 407e6d5..253d484 100755
--- a/bibsum
+++ b/bibsum
@@ -19,8 +19,12 @@ IFS='
 '
 
 while read -r line; do
-	name=$(echo "$line" | cut -f 1) 
-	attrall=$(echo "$line" | cut -f 2-)
-	attrs=$(echo "$line" | tr '\t' '\n' | sort | grep -aEi "($fields)" | tr '\n' '\t' | sed -E 's/\ +/ /g')
-	printf "%s\t%s\t}\n" $name $attrs
+	line=${line##[[:blank:]]}
+	if [ -n "$line" ]; then 
+		name=$(echo "$line" | cut -f 1) 
+		attrall=$(echo "$line" | cut -f 2-)
+		attrs=$(echo "$line" | tr '\t' '\n' | sort | grep -aEi "($fields)" | \
+		    tr '\n' '\t' | sed -E 's/\ +/ /g;s/\t+/\t/g')
+		printf "%s\t%s}\n" $name $attrs
+	fi
 done