Hello

i have a file in directory which has some values like this

lets assume the file is $p
ttry_rtyy_trree

and i am using a file as an input as ($Y) in a shell once i start the shell it should read the file $p and $Y once those lines are matched in $Y i want to take a copy of that line and lines which are below 7 lines and put it in a output file ($Z)
$Y has this
ttry_rtyy_trree
66341251111
14567888888
12323434343
23232454544
2323234354
354545476767
67676767676676
9834587957457439
100192903203239

and my Output file after extracting should be exactly like this

ttry_rtyy_trree
66341251111
14567888888
12323434343
23232454544
2323234354
354545476767

Thanks!!

can anyone help me on this ..
this is kinda urgent .. Here is the clear picture of what i need :

i have a mainfile (backup file) a.txt

and i have a constant file b.txt which will be added or deleted

lets assume i have the following contents in a.txt :

unix:workinshellscripting
samplethings
sample
condition
success
failure

unix:shell
cool
ice
work
place
history

and b.txt has
workinshellscripting

once i run the shell script it should read the param file and read the value in the backup files

and once the string is found it has to copy the contents (5 lines below) and paste it in an output file

hence my outputfile has these

unix:workinshellscripting
samplethings
sample
condition
success
failure