Mac 上的 bash If-else
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时间:2020-09-18 05:30:54 来源:igfitidea点击:
bash If-else on Mac
提问by HymanWM
Why such a simple script does not work?
为什么这么简单的脚本不起作用?
1 for i in {1..6}
2 do
3 if[ "$i" -lt "3" ]
4 then
5 echo "a"
6 else
7 echo "b"
8 fi
9 done
or
或者
1 for i in {1..6}
2 do
3 if[ "$i" < 3 ]
4 then
5 echo "a"
6 else
7 echo "b"
8 fi
9 done
Err:
呃:
./test.sh: line 4: syntax error near unexpected token `then'
./test.sh: line 4: ` then'
回答by Marcelo Cantos
You need a space between ifand [.
if和之间需要一个空格[。

