# eval-p.sh: test of the eval built-in for any POSIX-compliant shell posix="true" test_OE -e 0 'evaluating no operands' false eval __IN__ test_OE -e 0 'evaluating null operands' false eval '' '' '' __IN__ test_oE -e 0 'evaluating some commands' eval 'echo foo; echo bar' __IN__ foo bar __OUT__ test_oE -e 0 'operands are concatenated with spaces in-between' eval 'echo foo' 'echo bar' eval 'echo 1"' '' '"2' __IN__ foo echo bar 1 2 __OUT__ test_OE -e 23 'exit status of evaluation' eval '(exit 23)' __IN__ test_oE -e 0 'effect on environment in evaluation' a=foo eval 'a=bar' echo $a eval exit echo not reached __IN__ bar __OUT__