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  1. Prepare
  2. Linux Shell
  3. Arrays in Bash
  4. Concatenate an array with itself
  5. Discussions

Concatenate an array with itself

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  • ajitshetty9900
     + 0 comments
    • readarray -t arr
    • transarr=("{arr[@]}" "{transarr[@]}"

  • nficara01
     + 0 comments
    xargs yes 2>/dev/null | head -n 3 | tr $'\n' ' '

    Nifty trick

  • RinaldiHaugen
     + 0 comments

    "Concatenating an array with itself creates a new array with the elements of the original array repeated twice in sequence." lotusbook247.com login

  • RinaldiHaugen
     + 0 comments

    "Concatenating an array with itself creates a new array with the elements of the original array repeated twice in sequence." lotusbook247.com login

  • oriech90
     + 1 comment
    readarray -t countries

multCountries=("${countries[@]}" "${countries[@]}" "${countries[@]}")
echo ${multCountries[@]}