On Wed, Mar 24, 2021 at 2:22 PM gregrwm <rhn-us...@greatlakedata.com> wrote: > > Configuration Information [Automatically generated, do not change]: > Machine: x86_64 > OS: linux-gnu > Compiler: gcc > Compilation CFLAGS: -g -O2 -Wno-parentheses -Wno-format-security > uname output: Linux ginger 4.18.0-240.15.1.el8_3.x86_64 #1 SMP Mon Mar 1 > 17:16:16 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux > Machine Type: x86_64-pc-linux-gnu > > Bash Version: 5.1 > Patch Level: 0 > Release Status: release > > Description: > [Detailed description of the problem, suggestion, or complaint.] > > Oddly, somehow, invoking ssh in a loop causes the loop to preterminate. > Why?
Read https://mywiki.wooledge.org/BashFAQ/089, it should explain what you're seeing here. The summary is that SSH is reading from the same file descriptor as "read". Use '-n' (or redirect SSH's stdin from /dev/null) to prevent this.
