Shell Programming and Scripting

>$Z               #truncate file in $Z to ensure that we start with an empty file
while read line; do
   awk '/'$line'/ {for(i=0;i<7;i++) {print; getline}}' $Y >> $Z #actual work here
done < $p      #read file in $p line-by-line and process each line in while loop

#!/usr/bin/env sh

# @(#) s1       Demonstrate match and copy with sed.

set -o nounset
echo

## Use local command version for the commands in this demonstration.

version bash sed

echo

cat >data1 <<'EOF'
a
1a
b
1b
c
1c
a
2a
b
2b
EOF

# Search for pattern "a" at beginning of line, then copy it and 1 more line.

sed -n -e '/^a/,+1p' data1

exit 0

% ./s1

GNU bash, version 2.05b.0(1)-release (i386-pc-linux-gnu)
GNU sed version 4.1.2

a
1a
a
2a