8 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi ALL,
I am having semi column separated file as below. I am having negative values for the records starting with 11095. How can I convert that positive number
I tried this below seems not working
sed 's/ \(*\)$/ -\1/;t;s/\(.*\)-/\1/ myfile
myfile... (6 Replies)
Discussion started by: arunkumar_mca
6 Replies
2. Shell Programming and Scripting
Dear All,
I have to split a tab delimited file in two files based on the presence of a positive or negative in column number 9 , for example
file:
A 1 5 erg + 6766 0.9889 0.9817 9.01882 erg inside upstream
B 1 8 erg2 + 6766 0.9889 0.9817 -9.22 erg2 inside... (3 Replies)
Discussion started by: paolo.kunder
3 Replies
3. Shell Programming and Scripting
Hi Unix Gurus,
I have a requirement to generate positive random 16 and 13 digit numbers.
Here is the script I have so far.....
number=$RANDOM$RANDOM$RANDOM$RANDOM;
let "number %= 10000000000000";
echo $number
But sometimes it is generating negative numbers and also 15 digit... (8 Replies)
Discussion started by: scorpioraghu
8 Replies
4. UNIX for Dummies Questions & Answers
I have read the below from the book bash cookbook.Tail +1 filenames is similar to cat filename
I have tried the same in Ubuntu 11.10 with bash. 4.0 .
I have received error for the Same.
May I know in which system that will work fine ?
Thanks (1 Reply)
Discussion started by: pandeesh
1 Replies
5. Shell Programming and Scripting
Let, I have three numbers
+00123.25
-00256.54
+00489.23
I need to sum up all those three numbers, after storing them in three variables (say var1, var2, var3).
I used both expr and BC, but they didn't work for me.
But, I am not able to sum up them, as I don't have any idea how to... (13 Replies)
Discussion started by: mady135
13 Replies
6. Shell Programming and Scripting
Hello,
I have a list like this :
1
2
-4
0
-3
-7
5
6 etc.
Is there a way to remove all the positive values and print only the negative values, without using grep, sed or awk?
Thanks,
Prasanna (4 Replies)
Discussion started by: prasanna1157
4 Replies
7. Shell Programming and Scripting
Hi,
I have a file that looks like this:
Jake 2 3 4 6 4 3 -2 -1
Jerry 1 2 3 2 1 7 -6 -1
Timmy -1 -4 -5 -8 9 3 1
I want to find the most positive and negative value for each row and also define its position (based on column #)
So the output would look... (7 Replies)
Discussion started by: gisele_l
7 Replies
8. Shell Programming and Scripting
Hello,
For my weather station I have made a little perl script to put the data into cacti. The next problem I have.
I can only get positive numbers or negative numbers.
What do I do:
Though a shell scrip I call the perl script.
Shell script:
#!/bin/sh
cat data.txt | stats.pl
Perl... (4 Replies)
Discussion started by: rbl-blacklight
4 Replies
