2020-02-16 标签:linux,shell,单引号,双引号,引号,斜杠,区别,grep,susan,phonebook,goldberg,403,212,4921,topple,234,2343,查找

1. 单引号 ( '' ) # grep Susan phonebook Susan Goldberg 403-212-4921 Susan Topple 212-234-2343 如果我们想查找的是Susan Goldberg，不能直接使用grep Susan Goldberg phonebook

2020-02-16 标签:shell,编程,基础,单引号,双引号,区别,下面,简单,程序,要说,debian,learn,cat,phonebook,alice,chebba,973,555,2015

下面用一个简单的shell程序要说明一下。 debian:~/learn/shell# cat phonebook Alice Chebba 973-555-2015 Barbara Swingle 201-555-9257 Liz Stachiw 212-555-2298 Susan Goldbe