摘要：
> a=0> b=1> a=a+b> echo $aa+b > a=0> b=1> a+=b> echo \$a0b >a=0>b=1>(a+=b) >echo \$a 0>((a+=b))>echo \$a1 >a='0'>b='1'>(a+=b)>echo \$a0>((a+=b))>echo
阅读全文
摘要：
There are no difference between $* and $@: zzh@ZZHPC:~/aaa$ cat 1.sh mkdir $* zzh@ZZHPC:~/aaa$ cat 2.sh mkdir $@ zzh@ZZHPC:~/aaa$ ./1.sh a "b c" d zzh
阅读全文
摘要：
find ./ -type f -newermt '20191010 00:00:00' ! -newermt '20191011 00:00:00'
阅读全文
