on “sed” command
EmpData(Sample Database)

1122|j.b. saxena |g.m. |account |12/12/52|6000
2233|n.k. gupta |d.g.m |sales |31/12/40|9000
4545|anil agarwal |director |account |06/07/47|7500
5656|lalit choudhury |executive|marketing|07/09/50|5000
1265|chanchal singhvi|g.m. |admin |12/09/63|6000
0110|shyam saksena |chairman |marketing|12/12/43|8000
5566|jai sharma |director |account |23/12/89|7000
7733|jayant |d.g.m |sales |29/02/70|6000


1. From the above database substitute the delimiter of first
3 lines with “ : “
2. From the above database substitute the delimiter with “ : ”
3. Insert the string “ XYZ Employees” in the first line.
4. Store the lines pertaining to the directors, d.g.m and
g.m into three separate files.
5. Using address store first 4 lines into a file Empupdate.
6. Find the pattern “account” in the database and replaces
that with “accounts”.
7. Select those lines which do not have a pattern “g.m”.
8. Insert a blank line after every line in the database.