Dear All,
Can anybody tell me how to predefind no. of selected rows
from a text file.
Answer Posted / junhua
awk 'NR <= n'
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
How do I edit a .sh file?
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.
What does chmod do?
What is difference between shell and bash scripting?
What are the different commands available to check the disk usage?
How do I run a .sh file on mac?
How to print pid of the current shell?
How to print the first array element?
write a shell script to generate a alert ? like when ur birthday came then generate a alert ur birthday is today like that ?
What are "c" and "b" permission fields of a file?
What are the 3 standard streams in linux?
Print a given number, in reverse order using a shell script such that the input is provided using command line argument only.
Calculate a real number calculation directly from the terminal and not any shell script.
What is shell scripting used for?
How can I set the default rwx permission to all users on every file which is created in the current shell?