ruby run bash command

klueless-io answered on September 10, 2021 Popularity 9/10 Helpfulness 5/10

answer ruby run bash command

related how to run a ruby file in terminal

ruby run bash command

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# Backticks syntax
`echo 'hi'`

# %x() syntax
%x( echo 'hi' )

# Kernel#system
# Executes the given command in a subshell.
system( "echo 'hi'" )

# Kernel#exec
# Replaces the current process by running the given external command.
exec( "echo 'hi'" )

# Open3
require "open3"

Open3.popen3('nroff -man') { |stdin, stdout, stderr| ... }

Popularity 9/10 Helpfulness 5/10 Language ruby

Source: stackoverflow.com

Tags: backticks bash command ruby shell system

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Contributed on Jul 21 2022

klueless-io

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how to run a ruby file in terminal

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Just call: ruby your_program.rb

# or

start your program with #!/usr/bin/env ruby,
make your file executable by running 
	`chmod +x your_program.rb`
# and do 
  `./your_program.rb some_param`

Popularity 10/10 Helpfulness 2/10 Language ruby

Source: Grepper

Tags: file

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Contributed on Sep 10 2021

rng70

0 Answers Avg Quality 2/10

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ruby run bash command

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