#!/bin/bashPS4=':$?+'set -exa=10b=9test $a -lt $b && falsetest $a -gt $b && falseecho "111"
Standard input is empty
Standard output is empty
:0+a=10 :0+b=9 :0+test 10 -lt 9 :1+test 10 -gt 9 :0+false
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