如何在shell脚本中删除字符串的子字符串？

Question

我有一个文件列表,如:

FIRST_WORD abc
FIRST_WORD(1) bcd
FIRST_WORD(2) def
SECOND_WORD gh
THIRD_WORD jiu
THIRD_WORD(1) lom
...

我希望删除它(i),当它存在时,获取:

FIRST_WORD abc
FIRST_WORD bcd
FIRST_WORD def
SECOND_WORD gh
THIRD_WORD jiu
THIRD_WORD lom
...

Answer 1

你可以的:

test="123456"
echo ${test:3}

输出:

456