getting the line just before or after a pattern searched

s99999999s2003 at yahoo.com s99999999s2003 at yahoo.com
Thu Feb 16 22:24:28 EST 2006


hi

i have a file something like this

abcdefgh
ijklmnopq
12345678
rstuvwxyz
.....
.....
.....
12345678
.....

whenever i search the file and reach 12345678, how do i get the line
just above and below ( or more than 1 line above/below) the pattern
12345678 and save to variables? thanks




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