[Linux] shell 字符串截取 - bulaqi/IC-DV.github.io GitHub Wiki
示例:
#!/bin/bash
# #:从左向右,截取匹配字符串剩余字符为结果
str1="foodforthought.jpg"
echo ${str1##*fo} #结果: rthought.jpg
echo ${str1#*fo} #结果: odforthought.jpg
# %:从左向右,截取匹配字符串剩余字符为结果
str2="chickensouo.tar.gz"
echo ${str2%%.*} #结果:chickensouo
echo ${str2%.*} #结果:chickensouo.tar