Shell intercepts the content between the specified strings

#!/bin/bash
#截取字符串

#path =ss/usr/share/src/root/home/admin

Path=ss/usr/share/src/root/home/admin/src/add

Echo $path
Echo ${path%src*} #从右向左截取第一个 the string after SRC

Echo ${path}
Echo ${path%/*} intercepts the first/second string from right to left
Echo ${path%%/*} intercepts the last/following string from right to left

Echo ${path#*/} intercepts the first/second string from left to right

Echo ${path##*/} truncate last/After string from left to right

Echo ${path:3}
Echo ${path:6:60} intercepts the variable path from the first three strings
echo ${#path} computes the path variable with a few strings
Echo ${path/root/kyo} replaces the first root string in the path variable with the Kyo string
Echo ${path//s/m} Replaces all s characters in the path variable with the M character

Echo ${path}

Shell intercepts the content between the specified strings