10 More Discussions You Might Find Interesting
1. Open Source
I have a process that requires me to read data from huge log files and find the most recent entry on a per-user basis. The number of users may fluctuate wildly month to month, so I can't code for it with names or a set number of variables to capture the data, and the files are large so I don't... (7 Replies)
Discussion started by: rbatte1
7 Replies
2. Homework & Coursework Questions
Just started learning Unix and received my first assignment recently. We haven't learned many commands and honestly, I'm stumped. I'd like to receive assistance/guidance/hints.
1. The problem statement, all variables and given/known data:
How do I write a shell script that takes in a file or... (4 Replies)
Discussion started by: fozilla
4 Replies
3. Shell Programming and Scripting
Hello,
I'm trying to write an awk program that reads two files inputs.
example,
file 1:
0.00017835
0.000176738
0.00018811
0.000189504
0.000188155
0.000180065
0.000178991
0.000178252
0.000182513
file 2:
1.7871769E-05 1.5139576E-16 1.5140196E-16 1.5139874E-16
1.7827407E-04 ... (5 Replies)
Discussion started by: joseamck
5 Replies
4. Shell Programming and Scripting
So, I am new to shell scripting and have a few problems.
I know how to read from standard input but I do not know how to really compare it to say, a character. I am trying to compare it to a character and anything exceeding just a character, the user will get an output message, but the program... (7 Replies)
Discussion started by: Bungkai
7 Replies
5. Shell Programming and Scripting
Hello,
I've been trying to come up with a solution for the following problem; I have an input file with two columns and I want to print as an output the first column without any changes but for the second column, I want to divide it by its last value. Example input:
1 9
2 10
3 11
4 12
5... (14 Replies)
Discussion started by: acsg
14 Replies
6. Shell Programming and Scripting
Hello,
I am new to scripting.
How do I read multiple lines from the command line?
I know read reads one line, but if I have to read multiple lines, how should I do?
Thanks,
Prasanna (4 Replies)
Discussion started by: prasanna1157
4 Replies
7. Shell Programming and Scripting
Can I do something like,
if($0==/^int.*$/) {
print "Declaration"
}
for an input like: int a=5;
If the syntax is right, it is not working for me, but I am not sure about the syntax. Please help.
Thanks,
Prasanna (1 Reply)
Discussion started by: prasanna1157
1 Replies
8. Shell Programming and Scripting
Hi guys,
I am new to AWK and unix scripting. Please see below my problem and let me know if anyone you can help.
I have 2 input files (example given below)
Input file 2 is a standard file (it will not change) and we have to get the name (second column after comma) from it and append it... (5 Replies)
Discussion started by: sksahu
5 Replies
9. Shell Programming and Scripting
Hi people. I am new to shell scripting, so I need a little help. I want to create a script named that takes an argument as a file, Read the input file and look for occurrences of the current username (say abc.xyz) who is executing the script. On finding an occurrence of the username take that line... (2 Replies)
Discussion started by: kartikkumar84@g
2 Replies
10. Shell Programming and Scripting
I'm reading 2 input files but not getting expected value.
I should get an alpha value on file_1_data but not getting any.
Please help.
>cat test6.sh
awk '
FILENAME==ARGV { file_1_data=$0; print "----- 1 Line " NR " -----" $1; next }
FILENAME==ARGV { file_2_data=$0; print "----- 2... (1 Reply)
Discussion started by: pdtak
1 Replies