摘要：
小写转大写：[zengs@SYS SOS]$ for cpplive in *; do mv $cpplive `echo $cpplive|tr [a-z] [A-Z]`; done大写转小写：[zengs@SYS SOS]$ for cpplive in *; do mv $cpplive `echo $cpplive|tr[A-Z] [a-z]`; done修改后缀：[zengs@SYS SOS]$ for cpplivein *.JPG; do mv $cpplive ${cpplive%%\.*}.jpg; done 阅读全文
