Lets say I have a file abc.txt and it has about 35 million rows. I would like to take a sample of 100 random rows from that file for my testing purpose and write it to a file say test.txt.
How do I do this operation?
Thanks,
Sashank (9 Replies)
Hi! Everyone,
Say this file1
--------------
line 1 51610183 420001010 0010CTCTLEDPPOO 2151610183
line 2 2151610183 420001010 0030A2TH2
line 3 2151610183 420001010 0040A2TH3
line 4 2151610183 420001010 ... (0 Replies)
Hi,
I have gps receiver log..its giving readings .like below
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
GPSD,R=1
$GPGSV,3,1,11,08,16,328,40,11,36,127,00,28,33,283,39,20,11,165,00*71... (3 Replies)
Hi
I want to append line 2n to 2n-1 line where n=1...LastLine in my file.
eg:
Actual File:
Hello
Everyone
Welcome
TO Unix
I need
Your help
Required File:
HelloEveryone
WelcomeTO Unix
I needYour help (5 Replies)
I am using the while-loop to read a file.
The file has lines with null-terminated strings (words, actually.)
What I have by that reading - just a first word up to '\0'!
I need to have whole string up to 'new line' - (LF, 10#10, 16#A)
What I am doing wrong?
#make file 'grb' with... (6 Replies)
hi guys, today i'm stuck in a new problem.
the title explain more or less but a particular had been omitted. So i'm going to describe below the situation with an example.
I have different html files and each of them have a consecutive lines group inside that i want to extract.
example:
... (8 Replies)
Hi All
I will run the same script every day in corn and output should go to same CSV file but in different row with dates on it. Below is my example in attached format.
Script i am using to collect switch port online
DATE=`date '+%d-%m-%y'`
for f in `cat... (1 Reply)
Hi! Is there a way to append column and row header to a file in awk script.
For example if I have
Jane F 39 manager
Carlos M 40 system administrator
Sam F 20 programmer
and I want it to be
# name gend age occup
1 Jane F 39 manager
2 Carlos M ... (4 Replies)
Hi,
I need help with this-
input.txt :
L B white
X Y white
A B brown
M Y black
Read this input file and if 3rd column is "white", then add specific lines to another file insert.txt.
If 3rd column is brown, add different set of lines to insert.txt, and so on.
For example, the given... (6 Replies)
Hi. How can I read row number from one file and print that corresponding record present at that row in another file.
eg
file1
1
3
5
7
9
file2
11111
22222
33333
44444
55555
66666
77777
88888
99999 (3 Replies)