考虑类似于if [ ! -d"$DIRECTORY" ] ; then mkdir"$DIRECTORY" ; fi;如果"$DIRECTORY"是一个文件,这将失败。(当然,您应该检查mkdir是否成功;它失败的原因有很多。) 次要注释。在bash中,help[,man test(如前所述)和info test(在"not unixes"上)提供文档。 我应该使用[ ]还是[[
用法mkdir [-m 模式] [-p] dirname ... mkdir dir1/dir2 在dir1下建dir2 mkdir dir13 dir4 dir5 连建多个 mkdir ~/games 用户主目录下建(默认在当前目录下创建) mkdir -p dir6/dir7/dir8 强制创建dir8;若没有前面的目录,会自动创建dir6和dir7。 不用-p时,若没有dir6/dir7,则创建失败。 cp...
read -p "What is your backup directoy:" BakDir if [ -d $BakDir ]; then echo "$BakDir already exist." else echo "$BakDir is not exist, will make it." mkdir $BakDir fi 本文出自 “UNIX/Linux Discovery” 博客,请务必保留此出处http://dreamfire.blog.51cto.com/418026/1079173 案例2、...
fundamentals commands of UNIX. You will likely use those commands for many decades unless some revolution in the computing world happens (and they happen, but those server-side things usually move slow). To give you some perspective, themkdircommand you will now see was introduced in UNIX...
# Check the directory for store awr report,if not exist, create it # --- if [ ! -d"${AWR_DIR}" ]; then mkdir -p ${AWR_DIR} fi # --- # check if the database is running, if not exit # --- db
mkdir 创建一个目录 mkdir new_folder复制代码 1. 【常用参数】 -p 递归的创建目录结构mkdir -p one/two/three 文件的复制和移动 cp 拷贝文件和目录 cp file file_copy --> file 是目标文件,file_copy 是拷贝出来的文件cp file one --> 把 file 文件拷贝到 one 目录...
Create nested directories using one mkdir command. If any of these directories exist already, it will not display any error. If any of these directories doesn’t exist, it will create them. $ mkdir -p dir1/dir2/dir3/dir4/ 36. ifconfig command examples Use ifconfig command to view or...
mkdir mysql-files Grant directory user and group ownership to themysqluser andmysqlgroup, and set the directory permissions appropriately: chown mysql:mysql mysql-files chmod 750 mysql-files Use the server to initialize the data directory, including themysqldatabase containing the initial MySQL grant...
-d "${AWR_DIR}" ]; then mkdir -p ${AWR_DIR} fi # --- # check if the database is running, if not exit # --- db_stat=`ps -ef | grep pmon_$ORACLE_SID | grep -v grep| cut -f3 -d_` if [ -z "$db_stat" ]; then #date >/tmp/db_${ORACLE_SID}_stauts.log echo...
cmake . (For a cleaner build, which is useful if you modify the source, replace this by "mkdir build; cd build; cmake ..": you can then delete the contents of the build directory if needed, without affecting the source.) Also add any cmake "-D" options here as needed (e.g, ...