The following code does not output "hello world" I do not want to use standard out unless I have to.
#!/bin/sh
message="hello "
message.="world"
echo $message
You can use variable expansion to achieve this:
#!/bin/sh
message="hello "
message="${message}world"
echo $message
以下著作:
#!/bin/sh
message="hello "
message="$message world"
echo $message
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