updated impala_tables_column_counts.sh

impala_tables_column_counts.sh

@@ -25,8 +25,14 @@ srcdir="$(dirname "${BASH_SOURCE[0]}")"
 usage_description="
 Print each table's number of columns
 
+Output Format:
+
+<db>.<table>    <column_count>
+
+
 FILTER environment variable will restrict to matching fully qualified tables (<db>.<table>)
 
+
 Caveats:
 
     Hive is more reliable as Impala breaks on some table metadata definitions where Hive doesn't
@@ -34,8 +40,10 @@ Caveats:
     Impala is faster than Hive for the first ~1000 tables but then slows down
     so if you have a lot of tables I recommend you use the Hive version of this instead
 
+
 Tested on Impala 2.7.0, 2.12.0 on CDH 5.10, 5.16 with Kerberos and SSL
 
+
 For more documentation see the comments at the top of impala_shell.sh
 
 For a better version written in Python see DevOps Python tools repo:
@@ -65,5 +73,6 @@ while read -r db table; do
         echo "UNKNOWN"
     fi |
     awk '{if(NF == 2){print}}' |
-    wc -l
+    wc -l |
+    sed 's/[[:space:]]*//g'
 done