Sponsored Content
Full Discussion: Coronavirus maths anyone?
The Lounge What is on Your Mind? Coronavirus maths anyone? Post 303045519 by Swathe on Sunday 29th of March 2020 05:25:17 PM
Old 03-29-2020
That was pretty interesting
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Problem with Maths

Heres a script i wrote as a bit of practise. What it does is insert a line in the middle of a file. The line being $1 and the file being $2 #!/bin/bash rm tempfile touch tempfile count=1 linenum= `wc -l < $2` if then echo $1 >> $2 else even=`expr "$linenum" % 2` if then... (3 Replies)
Discussion started by: Quesa
3 Replies

2. Shell Programming and Scripting

Perl - maths equation - need help

if input to the perl program is ' ( p * ((a+b) * (c+d))) + q ' it shuld give the output as ' pac + pad + pbc + pbd + q ' .can anyone suggest a way to do this ? (7 Replies)
Discussion started by: Anuj8584
7 Replies

3. Shell Programming and Scripting

Maths with variables

Hello, I'm trying to write a while loop for a decimal value in tcsh which I know can't be done. Instead I want my increments to be one order of magnitude too large and then divide it by 10 when I use the variable. However, I don't know how to divide my variable and set it as another. set... (1 Reply)
Discussion started by: DFr0st
1 Replies

4. Shell Programming and Scripting

Using IF statements with maths where the input is not an integer

Hi All I've made a few scripts which using GDAL extract the value of a pixel within a given raster. The purpose is to work out the combine value of every pixel. I thought there may have been an easier way to do this but alas! The code below extracts the pixel value at position X Y. The... (3 Replies)
Discussion started by: StudentFitz
3 Replies

5. Shell Programming and Scripting

Simple maths calculator loop.

Hi, I am trying to make a maths calculator that: 1. Prompts the user for a number. 2. Prompts the user for an operation (add, subtract, divide or multiply) 3. Prompts the user for a number. 4. Prompts the user for another operation (same as above) OR the option to get the result for the... (4 Replies)
Discussion started by: johnthebaptist
4 Replies

6. Shell Programming and Scripting

Maths in shell scripts

Hi, Need help on this. I need to increment a variable by 1 but retain as 2 characters. I am using expr to do additions: NEWSERIAL=`expr $SERIAL + 1` $SERIAL can range from 01-99. After adding "1", I need the result to be 2 characters, eg: 02+1 = 03. By default expr will truncate the... (4 Replies)
Discussion started by: vchee
4 Replies

7. Shell Programming and Scripting

Calculate the constant e to 14+ decimal places using integer maths.

Hi guys... I am loving this integer maths thing. 64 bit systems are certainly easier than 32 bit, but hey, I don't intend to leave out my fav' platform. Using one of the 'Brothers' methods, URL inside the code. #!/bin/sh # # #!/usr/local/bin/dash # e_constant.sh # Brother's formula . #... (2 Replies)
Discussion started by: wisecracker
2 Replies

8. Programming

Wuhan Coronavirus Status for China - Rapid Prototype Blynk App with ESP8266

Here is a rapid prototype app I just put together which might be of interest to some people. Basically, I have parsed the data from a Chinese web site which is tracking the Wuhan coronavirus, and cache that data every minute via a local cron file and make a simple API available to a Blink app. ... (6 Replies)
Discussion started by: Neo
6 Replies

9. Programming

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App

With a little bit of work, was able to build a nice "Wuhan Coronavirus Status" app using MQTT and the IoT-OnOff app. More on this technique here: ESP32 (ESP-WROOM-32) as an MQTT Client Subscribed to Linux Server Load Average Messages The result turned out nice, I think. I like the look and... (10 Replies)
Discussion started by: Neo
10 Replies
JSON_PP(1)						 Perl Programmers Reference Guide						JSON_PP(1)

NAME
json_pp - JSON::PP command utility SYNOPSIS
json_pp [-v] [-f from_format] [-t to_format] [-json_opt options_to_json] DESCRIPTION
json_pp converts between some input and output formats (one of them is JSON). This program was copied from json_xs and modified. The default input format is json and the default output format is json with pretty option. OPTIONS
-f -f from_format Reads a data in the given format from STDIN. Format types: json as JSON eval as Perl code -t Writes a data in the given format to STDOUT. null no action. json as JSON dumper as Data::Dumper -json_opt options to JSON::PP Acceptable options are: ascii latin1 utf8 pretty indent space_before space_after relaxed canonical allow_nonref allow_singlequote allow_barekey allow_bignum loose escape_slash -v Verbose option, but currently no action in fact. -V Prints version and exits. EXAMPLES
$ perl -e'print q|{"foo":"XX","bar":1234567890000000000000000}|' | json_pp -f json -t dumper -json_opt pretty,utf8,allow_bignum $VAR1 = { 'bar' => bless( { 'value' => [ '0000000', '0000000', '5678900', '1234' ], 'sign' => '+' }, 'Math::BigInt' ), 'foo' => "x{3042}x{3044}" }; $ perl -e'print q|{"foo":"XX","bar":1234567890000000000000000}|' | json_pp -f json -t dumper -json_opt pretty $VAR1 = { 'bar' => '1234567890000000000000000', 'foo' => "x{e3}x{81}x{82}x{e3}x{81}x{84}" }; SEE ALSO
JSON::PP, json_xs AUTHOR
Makamaka Hannyaharamitu, <makamaka[at]cpan.org> COPYRIGHT AND LICENSE
Copyright 2010 by Makamaka Hannyaharamitu This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.16.2 2013-08-25 JSON_PP(1)
All times are GMT -4. The time now is 07:20 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy