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adoyle-h
/
a.bash
Created
Jun 28, 2019
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"shopt -s inherit_errexit" is important
Raw
a.bash
#!
/usr/bin/env bash
set
-o errexit
set
-o nounset
f
() {
echo
-n hello
INVALID_COMMAND
echo
-n world
}
bar=
$(
f
)
echo
"
bar is
$bar
"
#
It will print
#
/10:行9: INVALID_COMMAND:未找到命令
Raw
b.bash
#!
/usr/bin/env bash
set
-o errexit
set
-o nounset
shopt
-s inherit_errexit
f
() {
echo
-n hello
INVALID_COMMAND
echo
-n world
}
bar=
$(
f
)
echo
"
bar is
$bar
"
#
It will print
#
./10:行9: INVALID_COMMAND:未找到命令
#
bar is helloworld
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