Results for “file”
Small, practical examples. Search by task or narrow things down below.
Read text line by line
Read text line by line using a complete Go program with explicit sample inputs.
Go✓ Tested
Read the target stored in a symbolic link
Linux Commands: Use readlink without resolving the target path.
Linux Commands✓ Tested
Reject an escaping relative path
Reject an escaping relative path using a complete Go program with explicit sample inputs.
Go✓ Tested
Remove an empty directory only
Linux Commands: Use rmdir so a directory containing files cannot be removed accidentally.
Linux Commands✓ Tested
Replace a path extension
C#: Path.ChangeExtension transforms a path string without moving or creating a file.
C#✓ Tested
Run a one-off process with a numeric user ID
Docker / Compose: The user option overrides the image’s default identity.
Docker / Compose✓ Tested
Run an image as a non-root user
Choose an unprivileged numeric identity for the default process.
Dockerfile✓ Tested
Set a container’s own hostname
Docker / Compose: hostname changes the name reported inside the container.
Docker / Compose✓ Tested
Set a working directory
Choose the default directory for later instructions and the running process.
Dockerfile✓ Tested
Set an image’s default command
Use JSON array syntax for a predictable command.
Dockerfile✓ Tested
Set owner-only read and write permissions
C++: Replace ordinary permission bits with the requested owner permissions.
C++✓ Tested
Supply an environment variable to an exec process
Docker / Compose: An exec environment override applies to the new process only.
Docker / Compose✓ Tested