问:在 Bash shell 脚本中什么命令检查某个目录是否存在?...答:要检查目录是否存在,请执行以下操作: if [ -d "$DIRECTORY" ]; then echo "$DIRECTORY does exist." fi 一行代码的形式则如下: [...要检查目录是否不存在,请执行以下操作: ...
if [ ! -f "$FILE" ];then echo "$FILE exist and it is a directory" fi 与上述相同: [ ! -f /etc/docker ] || echo "$FILE does not exist" 如何检查是否存在多个文件? 如果存在多个文件,可以使用-a(或&&with[])来测试,而不是使用复杂的嵌套if/else构造: FILE=/etc/docker if [ -f /et...
[student@studentvm1 testdir]$ File="TestFile1" ; echo "This is $File" > $File ; if [ -s $File ] ; then echo "$File exists and contains data." ; elif [ -e $File ] ; then echo "$File exists and is empty." ; else echo "$File does not exist." ; fi TestFile1 exists ...
Line 20, if the directory doesn’t exist, then try to create it on line 21. If directory creation fails, then exit with an error. On line 27, after running each background job, I capture the PID and associate that with the machine (1:1 relationship). On lines 33-35, I wait for ...
本文主要讲述如何使用Shell脚本判断HDFS文件或目录是否存在，算是一个小技巧吧，这几天做PoC的时候感觉还...
[ -f /etc/resolv.conf ] &&echo"$FILEexist"||echo"$FILEdoes not exist" AI代码助手复制代码 如何检查目录是否存在? -d运算符允许测试文件是否是目录。 例如,要检查/etc/docker目录是否存在,需要使用: FILE=/etc/dockerif[ -d"$FILE"];thenecho"$FILEis a directory"fi ...
You can then manually push directories onto the stack with-u. If you haveCDC_AUTO_PUSHset totrue, you can stillcdcto a directory and not push it to the stack with the-Uoption. Seeoptionsbelow. You can enable/disable colored terminal output, and even change the colors, by adding the fo...
Where it's not checking if the returned error is mentioning the container command or some other path as not found. It happens to be fixed here in this PR:https://github.com/docker/docker/pull/22983/files#diff-3cb140026df40998ea29c5bcb6bb292eR150which is not yet merged. ...
echo "File ('$1') does not exist!" fi } 考虑到使用的不多,配置又麻烦,我没有配置这个功能,不过我想肯定有人愿意在这上面花点时间 将Zsh 设置为默认 Shell(不建议更改 root 用户的默认 shell) usermod -s /usr/local/bin/zsh 2、安装zsh
run --rm --entrypoint "/bin/bash -c" rockylinux:8 uname docker: Error response from daemon: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: exec: "/bin/bash -c": stat /bin/bash -c: no such file or directory: unknown....