Shell Programming and Scripting

src_line=$(sed -n "/^search_pattern$/{=;}" $file)
for i in $src_line
do
start_line1=$(( i + 9 ))
nawk -v startline1="$start_line1" '
BEGIN{i=0; printf "%s, %s, %s, %s, %s\n", "Header 1", "Header 2", "Header 3", "Header 4", "Header 5"}
NR>=startline1 {if ($2 ~ /^[0-9]/)
{if ($4 ~ /^[0-9]/)
{fld4=$4}
else{fld4=""}
if (i == 0)
{i=1; printf "%s, %s, %s, %s, %s\n", $2, fld4, $6, $8, $10}
else{i=0; printf "%s, %s, %s, %s, %s\n", $2, fld4, $6, $8, $10}}
else{exit}}' $file > results.csv
done

Table Header
++++++++++++++++++++++++++++++++++++++++++++++
+ Data Desp +
++++++++++++++++++++++++++++++++++++++++++++++
+ + + AV +
+ + +++++++++++++++++++++++++++++++++
+ + + A + B + C + D +
+ Col + Pos + + + + +
++++++++++++++++++++++++++++++++++++++++++++++
+ 1 + 1 + 11 + 3 + 0.1 + 0.2 +
+ 2 + 2 + 13 + 3 + 0.1 + 0.3 +
+ 3 + 1 + 9 + 3 + 0.1 + 0.4 +
+ 4 + 2 + 5 + 3 + 0.1 + 0.5 +
+ 5 + 1 + 21 + 3 + 0.1 + 0.6 +
+ 6 + 2 + 8 + 3 + 0.1 + 0.1 +
+ 7 + 1 + 7 + 3 + 0.1 + 0.4 +
+ 8 + 2 + 18 + 3 + 0.1 + 0.6 +
+ 9 + 1 + 45 + 3 + 0.1 + 0.7 +
+ 10 + 2 + 6 + 3 + 0.1 + 0.0 +
++++++++++++++++++++++++++++++++++++++++++++++

... 
/search pattern/ {L=NR+9}
NR>=L            {...}

nawk '/search pattern/ {L=NR+10} 
NR>=L {if ($2 ~ /^[0-9]/){print $2} else{exit}}' filename

nawk: can't assign to L; it's an array name.

awk     'NR<L           {next}
         /^\+\+\+\+/    {if (L) exit; else L=NR+8}
         $2 ~ /^[0-9]/  {print $2, $4, $6}
        ' file
1 1 11
2 2 13
3 1 9
4 2 5
5 1 21
6 2 8
7 1 7
8 2 18
9 1 45
10 2 6