[Bug 1760358] [NEW] Bash read into array is not working

[Simon Tideswell]

Public bug reported:

This issue is found in the Bionic Beaver (Ubuntu 18) beta.

How it should work (e.g. on Xenial)
-----------------------------------

$ read -a simon <<< $( ls -1 /usr )
$ echo ${#simon[@]}
9
$ echo ${simon[@]}
bin games include lib local sbin share src var

How it works (wrongly) on Bionic
--------------------------------
$ read -a simon <<< $( ls -1 /usr )
$ echo ${#simon[@]}
1
$ echo ${simon[@]}
bin

Release
-------
Description:	Ubuntu Bionic Beaver (development branch)
Release:	18.04

Package Version
---------------
Installed: 4.4.18-1ubuntu1

** Affects: bash (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: array bash bionic read

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https://bugs.launchpad.net/bugs/1760358

Title:
  Bash read into array is not working

Status in bash package in Ubuntu:
  New

Bug description:
  This issue is found in the Bionic Beaver (Ubuntu 18) beta.

  How it should work (e.g. on Xenial)
  -----------------------------------

  $ read -a simon <<< $( ls -1 /usr )
  $ echo ${#simon[@]}
  9
  $ echo ${simon[@]}
  bin games include lib local sbin share src var

  How it works (wrongly) on Bionic
  --------------------------------
  $ read -a simon <<< $( ls -1 /usr )
  $ echo ${#simon[@]}
  1
  $ echo ${simon[@]}
  bin

  Release
  -------
  Description:	Ubuntu Bionic Beaver (development branch)
  Release:	18.04

  Package Version
  ---------------
  Installed: 4.4.18-1ubuntu1

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