1.數組
1) -[__NSArrayI removeObjectAtIndex:]: unrecognized selector sent
_mutableArr = [arr mutableCopy]
1.數組
1) -[__NSArrayI removeObjectAtIndex:]: unrecognized selector sent
_mutableArr = [arr mutableCopy]
shell腳本獲取腳本所在目錄 執行腳本的父目錄不一定是當前的工作目錄。 url=$(dirname $(readlink -f $0))