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  1. a=(1 2 3)
  2. b=(10 11 12)
  3.  
  4. readarray -t c < <(for idx in "${!a[@]}"; do
  5.   echo "${a[$idx]} + ${b[$idx]}"
  6. done | bc)
  7. declare -p c
  8. printf '%s\n' "${c[@]}"
Success #stdin #stdout 0.01s 5308KB
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stdin
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Standard input is empty
stdout
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declare -a c=([0]="11" [1]="13" [2]="15")
11
13
15
https://ideone.com/T25zJ6
language:
Bash (bash 5.0.3)
created:
12 days ago
visibility:
public

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