the shell% / * and # / * difference

[root@yangdong tmp]# ls
1  2  ks-script-JdCfMP  test.sh  yum.log
[root@yangdong tmp]# pwd
/tmp
[root@yangdong tmp]# ls 1
1.log
[root@yangdong tmp]# ls 2
2.log
[root@yangdong tmp]# 

[root@yangdong tmp]# cat test.sh 
#!/bin/bash
a=`find /tmp -name "*.log"`
for i in $a;do
echo ${i%/*}
echo ${i#*/}
done
[root@yangdong tmp]# bash test.sh 
/tmp
tmp/yum.log
/tmp/1
tmp/1/1.log
/tmp/2
tmp/2/2.log