On Thu, 2 Jan 2014 11:35:11 -0800, "P Fudd" <f...@ch.pkts.ca> wrote:
> Here's some more oddities: > > =====failing.sh: > #!/bin/bash > R="1|2" > IFS='|' read -r A B <<< $R > echo A=$A, B=$B > ==== > Expected: "A=1, B=2" > Actual: "A=1 2, B=" > > > ====fail2.sh: > #!/bin/bash > R="1|2" > while IFS='|' read -r A B; do > echo 1:A=$A, B=$B > done <<< $R > echo 2:A=$A, B=$B > ==== > Expected: > 1:A=1, B=2 > 2:A=1, B=2 > Actual: > 1:A=1, B=2 > 2:A=, B= > > > GNU bash, version 4.2.25(1)-release (x86_64-pc-linux-gnu) > bash-4.2-2ubuntu2.1.deb This is a FAQ, see http://mywiki.wooledge.org/BashFAQ/024 for a full discussion. -- D.
