set -o pipefail
a(){
1
2
3
echo ‘ok‘
}
b(){
if a;then
echo ‘ok‘
else
echo ‘okk‘
fi
a || echo ‘ok‘
a
}
b
b函数3种调用方式，a函数执行的结果不同
诡异的shell函数
set -e
set -o pipefail
a(){
1
2
3
echo ‘ok‘
}
b(){
if a;then
echo ‘ok‘
else
echo ‘okk‘
fi
set -o pipefail
a(){
1
2
3
echo ‘ok‘
}
b(){
if a;then
echo ‘ok‘
else
echo ‘okk‘
fi