1[!exec:echo] skip
2[!exec:false] skip
3
4# TODO: the '\n' below doesn't work on Windows on Github Actions, which does
5# have coreutils like "echo" installed. Perhaps they emit CRLF?
6[windows] skip
7
8exec echo foo
9stdout foo
10
11exec echo foo &
12exec echo bar &
13! exec false &
14
15# Starting a background process should clear previous output.
16! stdout foo
17
18# Wait should set the output to the concatenated outputs of the background
19# programs, in the order in which they were started.
20wait
21stdout 'foo\nbar'
22
23exec echo bg1 &b1&
24exec echo bg2 &b2&
25exec echo bg3 &b3&
26exec echo bg4 &b4&
27
28wait b3
29stdout bg3
30wait b2
31stdout bg2
32wait
33stdout 'bg1\nbg4'
34
35# We should be able to start several background processes and wait for them
36# individually.
37
38# The end of the test should interrupt or kill any remaining background
39# programs.
40[!exec:sleep] skip
41! exec sleep 86400 &
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