fork(1) download 
  1. gsub("[[]","==","hello [world]")
Success #stdin #stdout 0.22s 60752KB
comments (?)
stdin 
Standard input is empty
stdout 
[1] "hello ==world]"
https://ideone.com/U1GqJ4
language:
R (R 3.5.2)
created:
7 years ago
visibility:
secret

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