linux腳本:shell, 判斷輸入參數的個數(命令行)
if [ $# != 3 ] ; thenecho "USAGE: $0 from to"echo " e.g.: $0 ~/oucaijun/from ~/oucaijun/to"exit 1 ...
if [ $# != 3 ] ; thenecho "USAGE: $0 from to"echo " e.g.: $0 ~/oucaijun/from ~/oucaijun/to"exit 1 ...
1. 使用dd命令制作燒寫文件 環境: bootargs=mem=64M console=ttyAMA0,115200 root=/dev/mtdblock2 rootfstype=j ...
搜索代碼中出現CONFIG_BOOTARGS的行,但又不希望有#define和#undef, 暫時不知帶如何直接用一個語句做到,因此用了如下三個語句. find . -type f | xargs ...