The OpenD Programming Language

dirName

std path

Returns the parent directory of path. On Windows, this includes the drive letter if present. If path is a relative path and the parent directory is the current working directory, returns ".".

  1. auto dirName(R path)
  2. auto dirName(C[] path)
    auto
    dirName
    (
    C
    )
    (
    return scope C[] path
    )
    if (
    isSomeChar!C
    )

Parameters

path C[]

A path name.

Return Value

Type: auto

A slice of path or ".".

Examples

assert(dirName("") == ".");
assert(dirName("file"w) == ".");
assert(dirName("dir/"d) == ".");
assert(dirName("dir///") == ".");
assert(dirName("dir/file"w.dup) == "dir");
assert(dirName("dir///file"d.dup) == "dir");
assert(dirName("dir/subdir/") == "dir");
assert(dirName("/dir/file"w) == "/dir");
assert(dirName("/file"d) == "/");
assert(dirName("/") == "/");
assert(dirName("///") == "/");

version (Windows)
{
    assert(dirName(`dir\`) == `.`);
    assert(dirName(`dir\\\`) == `.`);
    assert(dirName(`dir\file`) == `dir`);
    assert(dirName(`dir\\\file`) == `dir`);
    assert(dirName(`dir\subdir\`) == `dir`);
    assert(dirName(`\dir\file`) == `\dir`);
    assert(dirName(`\file`) == `\`);
    assert(dirName(`\`) == `\`);
    assert(dirName(`\\\`) == `\`);
    assert(dirName(`d:`) == `d:`);
    assert(dirName(`d:file`) == `d:`);
    assert(dirName(`d:\`) == `d:\`);
    assert(dirName(`d:\file`) == `d:\`);
    assert(dirName(`d:\dir\file`) == `d:\dir`);
    assert(dirName(`\\server\share\dir\file`) == `\\server\share\dir`);
    assert(dirName(`\\server\share\file`) == `\\server\share`);
    assert(dirName(`\\server\share\`) == `\\server\share`);
    assert(dirName(`\\server\share`) == `\\server\share`);
}

Meta

Source

See Implementation

Standards

This function complies with the POSIX requirements for the 'dirname' shell utility (with suitable adaptations for Windows paths).

std path enumsfunctionsvariables
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