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# exec-p.tst: test of the exec built-in for any POSIX-compliant shell
posix="true"
(
setup 'set -e'
test_oE 'exec without arguments'
exec
echo reached
__IN__
reached
__OUT__
test_oE 'exec without arguments but -- separator'
exec --
echo $?
__IN__
0
__OUT__
test_Oe 'exec with redirections'
exec >&2 2>/dev/null
echo reached
./_no_such_command_
__IN__
reached
__ERR__
test_Oe -e n 'exec with redirections in grouping'
{ exec 4>&3; } 3>&2
echo foo >&4
{ exec >&3; } 2>/dev/null
__IN__
foo
__ERR__
)
test_oE -e 0 'executing external command'
exec echo foo bar
echo not reached
__IN__
foo bar
__OUT__
test_OE -e 0 'executing external command with option'
exec cat -u /dev/null
__IN__
test_OE -e 0 'executing external command with -- separator'
exec -- cat /dev/null
__IN__
test_OE -e 0 'process ID of executed process'
exec sh -c "[ \$\$ -eq $$ ]"
__IN__
test_oE 'exec in subshell'
(exec echo foo bar)
echo $?
__IN__
foo bar
0
__OUT__
test_O -d -e 127 'executing non-existing command (relative, non-interactive)'
exec ./_no_such_command_
echo not reached
__IN__
test_o -d 'executing non-existing command (relative, interactive)' -i +m
exec ./_no_such_command_
echo $?
__IN__
127
__OUT__
test_x -d -e 0 'redirection error on exec'
command exec <_no_such_file_
status=$?
[ 0 -lt $status ] && [ $status -le 125 ]
__IN__
# vim: set ft=sh ts=8 sts=4 sw=4 et:
|
