Questions tagged [numeric-data]
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242 questions
2
votes
1
answer
234
views
Do `[[ ]]` and `(( ))` have "transitive evaluation" of variables?
I am using bash, version:
GNU bash, version 5.1.16(1)-release (x86_64-pc-linux-gnu)
I made a following script:
#!/usr/bin/bash
a=11
b=4
c=7+b
if [[ a -eq c ]]
then
echo "ok"
else
...
- 517
-3
votes
2
answers
73
views
Error parsing memory value in bash script: expected integer expression
I have the following script to check free memory,
#!/bin/bash
THRESHOLD="500"
FREE_MEM=$(free -mh | awk '/^Mem:/{print $4}')
if [ "$FREE_MEM" -lt "$THRESHOLD" ]; then
...
8
votes
5
answers
2k
views
How to round to 2 decimals in bash like MS Excel does?
I spent hours in searching how to round "floating numbers" in BASH but couldn't find any correct! solution :( If I put these numbers to Excel, then I will receive the correct results after ...
- 202
0
votes
2
answers
101
views
CSV output for Number data
Below is a tab delimited sample. When I open this file with notepad it looks good for numbers. But if I open it with excel, numbers do not look correct. They look +11 at the end but inside if I ...
-1
votes
2
answers
553
views
Test for a number in bash [duplicate]
Is this the correct way to test for a number, with double [[]] enclosing :digit: and single quotes surrounding the regex ?
if [[ "$var" =~ '^[[:digit:]]+$' ]]; then
- 1
0
votes
0
answers
26
views
numeric sort with unique option does not show 0! [duplicate]
I have a file with many redundant numbers in each row. Imagine something like the below:
echo "10
9
5
6
4
cell
3
2
0
7
0
1" > test
When I use sort -un test I get the following output:
...
- 131
0
votes
2
answers
510
views
Add commas in place of number with sed?
Trying to write a simple script to fetch ethereum price and format the response.
Here is what I've tried:
#!/bin/bash
response=$(curl 'https://min-api.cryptocompare.com/data/price?fsym=ETH&tsyms=...
- 1
2
votes
1
answer
506
views
How do I use sort on multiple columns with different data types
Here's my tab-delimited file t.tsv:
$ cat t.tsv
2022/05/05 -258.03
2022/05/07 -18.10
2022/05/09 -10.74
2022/05/09 -132.60
2022/05/12 -18.56
2022/05/12 -20.20
2022/05/17 -11.00
2022/05/17 -112....
- 389
2
votes
0
answers
68
views
Scientific notations to specific scientific notation [duplicate]
I want to convert the value from 1.759114e-07 to 175.9114e-09. How can I script the conversion?
I tried this but I'm not getting what I want (which is 175.9114e-09):
$ echo 1.759114e-07 | awk '{printf(...
0
votes
1
answer
102
views
How to display only the content between opening and closing tags in XML file?
How to search the XML file using grep or similar for a particular tag but show only the content between opening and closing tags? Here is the exact tag I'd like to locate:
<max-diskusage>...
- 199
3
votes
3
answers
1k
views
How to sort each 20 lines in a 1000 line file and save only the sorted line with highest value in each interval to another file?
I have a file that has 1000 text lines. I want to sort the 4th column at each 20 lines interval and print the output to another file. Can anybody help me with sorting them with awk or sed?
Here is an ...
- 41
0
votes
2
answers
528
views
Finding values of one file within range of another file and selecting the top value
I have two files A and B. File-A has 4 columns and 600,000 rows. File-B has 4 columns and 5000 rows. Example:
File-A:
ENSB1 1 12245 0.53 0.002
ENSB2 1 13400 0.27 0.0003
ENSB3 1 14780 0.13 0.00001
...
4
votes
5
answers
1k
views
Converting HEX to DEC is out of range by using `mawk`
When the hex number is relative small, I can use
echo 0xFF| mawk '{ printf "%d\n", $1}'
to convert hex to dec.
When then hex number is huge, mawk does not work any more, e.g.
echo ...
- 318
5
votes
1
answer
3k
views
What's the difference between "sort -n" and "sort -g"?
What is the difference between the two sort options -n and -g?
It's a bit confusing to have too much detail but not enough adequate documentation.
user495498
4
votes
3
answers
1k
views
Random number output between two ranges linked together
This question is about generating random numbers between a range, which is fine, but it doesn't fit my case.
I'll explain in SQL terms because it seems to me that's easier to understand, though the ...
- 12.8k