shell_name=$(basename $0)
# $() 讲返回值转换为字符串
echo ${shell_name}
# ${}中间为变量名，可以不带{}，主要应用于变量名与后面内容区分时
tmp_string="0123456789"
# ${string: start :length}
# 0-base
echo ${tmp_string:2:4}
# 结果 2345
echo ${tmp_string:2:-5}
# 结果 234
-
Notifications
You must be signed in to change notification settings - Fork 0
liuyinzhe/shell_learn
Folders and files
| Name | Name | Last commit message | Last commit date | |
|---|---|---|---|---|
Repository files navigation
About
No description, website, or topics provided.
Resources
Stars
Watchers
Forks
Releases
No releases published
Packages 0
No packages published