Search Results

close it, then. I can say any question is a homework if I want

what kind of question should be posted here? it's just a simple shell programming question. No help no speaking, thank you

I am a newbie, I have no clue. The best situation is some kind people get practised by helping me at the same time:D

I want to create a file contains millions of lines. The line format like this:
acnum$$123456$$+$$Tom$$111$$
fields separated by $$, field 1 and field 3 have only two options:acnum or crenum; + or...

my fault,sorry! offset 2 to 4 was reserved by fill with spaces at first. now, i want to use this position by replace spaces with
some random numbers for testing! thank you very much!

I have a file contains thousands of lines. I want to insert n random numbers into each line at
specific position. Like this:
0 22……
1 33……
……
……
I want to insert 3 random numbers...

Hi, I think your code is cool but a little tricky,could you explain the meaning of this "$(<$f1)" especially the "<" here,thank you!

why it deletes all the contents of the file when I add" > file" after sort? "sort -k2 file > file".If the name already exist then we dont add it. how should we do?Thank you!

I am working in IT company working for banks.I find hardly to get technology about bank IT on the internet.Consider banks all using Unix, I think I can get some help here.
Recommend some sits or...

I just want to know is there a difference between the position of 1 .
Are 1;{}and {}1; the same? If you can help,I will be very thankful:)
Maybe it's just the print order, I am just not very...

1. increase file space
first, double space a file:
awk '1;{print ""}'
I probably can understand it:print a blank line every time.But when I read triple space a file I am confused:
awk '1;{print...

thank you for the help!

thank you thank you very much! but what does c[] mean?

I have some data like this:
4258092
TRXCODE a 19
CARDNBR a 10
PINFLAG a 6
FUISSUER a 12
PRODUCT a 24
STATE n 1

I want out put this format:
<?xml...