All Questions
94
questions
1
vote
1
answer
136
views
Ruby: "Parasite" characters with gets after pressing arrow key on getch
I've been looking into a way to implement a "Press any key to continue" feature into my program, and figured I'd use $stdin.getch.
Seems to work in most cases, but I noticed that if I ...
- 13
1
vote
1
answer
117
views
Palindromic Prime numbers array creator [Speed Issues] RUBY
I want to create an array of palindromic prime numbers nth numbers.
I wrote the code below:
# Enter your code here. Read input from STDIN. Print output to STDOUT
require 'prime'
number = gets
...
- 41
1
vote
1
answer
228
views
Ruby treats first command-line args as stdin
Running a Ruby script with command line args make $stdin read from the first command-line arg instead of from a tty.
echo "puts gets" > myscript.rb
ruby myscript.rb foo
# myscript.rb:1:in ...
- 29.7k
-1
votes
1
answer
939
views
How to use stdin and stdout in Ruby
So I have a following method which works, without the use of stdin or stdout.
def main(lines)
lines.each_index do |i|
word = lines[i]
if word.length > 1 && word.length <=11
...
- 53
0
votes
2
answers
274
views
remove and replace the text when putting a string into the console $stdin ruby
I have a program that is a client, talking to a server with socket.
When the user is inputting a message, if another message comes in, it breaks up the text visually, making it hard to understand for ...
0
votes
1
answer
405
views
Both get STDOUT in realtime and provide STDIN
I have a command that requires I give it some STDIN data, as in my-command <<< my-data. I don’t have control over the command; the info is meant to be given interactively and <<< ...
- 5,574
0
votes
1
answer
227
views
How to read a really long string from STDIN in ruby?
I've been using STDIN.gets read strings from stdin in ruby, but I just noticed that these strings must be shorter than 1024 characters. None of the following methods will read strings longer than 1024 ...
- 11.8k
1
vote
0
answers
75
views
Ruby wrapper (open3) - how to capture live user input while script is in progress?
I'm trying to write a wrapper script to tie together the function of 4 related scripts. Normally we have to run these 4 scripts in order to achieve a certain state, but I would like to wrap these 4 ...
4
votes
2
answers
2k
views
How to capture some special key presses for Ruby input prompt in Terminal (and let others through normally)
I am in a Ruby script something like:
something = gets # or STDIN.gets
puts something
def arrow_pressed
puts "arrow totally pressed"
end
Once the user prompt exists I want all keyboard ...
- 1,446
1
vote
1
answer
221
views
Thread ignoring first input when using getch
require 'rubygems'
require 'mechanize'
require 'io/console'
flag = 0
t2 =Thread.new do
puts flag
loop do
temp = STDIN.getch
if temp=="\n"
flag = (flag+1)%2
...
- 3,978
-1
votes
1
answer
69
views
Ruby Is it possible to create hash in array with space character?
With STDIN, I want to create hash in array only by a space character.
My ideal is
$ Bob 90 # => [{"Bob" => 90}]
But my code in ruby file is
array = []
name = gets.chomp
score = ...
- 1
0
votes
1
answer
84
views
Using STDIN in ruby , how to print out the multiline comments without REGEX
Given STDIN with the following:
=begin This is a multiline comment and con spwan
as many lines as you like. But =begin and =end
should come in the first line only.
=end
Without using regex , how ...
- 6,115
0
votes
0
answers
286
views
Ruby - STDIN with getc()
I am trying save the input from the command prompt into an array. The input will be integers and the first number will be the total number of characters that follow. An example input would look like:
...
- 59
0
votes
2
answers
458
views
Forwarding stdin to a subprocess in Ruby on Windows
I am developing a wrapper for Terraform, which at some point during its execution, it may request user input. So, my application must forward everything typed on its stdin to the subprocess' stdin. ...
- 19.5k
0
votes
0
answers
32
views
gets not working for large strings in ruby [duplicate]
I am doing some coding on online coding platforms. While taking a large string a input from STDIN I am using gets but I am getting only a string of length max 1024.
any suggestion for better way to ...
- 345