LaTeXML::Util::Pathname - Online Linux Manual Page

Section : 3
Updated : 2021-01-25
Source : perl v5.32.1
Note : User Contributed Perl Documentation

NAME

"LaTeXML::Util::Pathname" − portable pathname and file−system utilities

DESCRIPTION

This module combines the functionality File::Spec and File::Basename to give a consistent set of filename utilities for LaTeXML. A pathname is represented by a simple string.

Pathname Manipulations

$path = pathname_make(%peices);

Constructs a pathname from the keywords in pieces
dir : directory
name : the filename (possibly with extension)
type : the filename extension

($dir,$name,$type) = pathname_split($path);

Splits the pathname $path

into the components: directory, name and type.

$path = pathname_canonical($path);

Canonicallizes the pathname $path

by simplifying repeated slashes, dots representing the current or parent directory, etc.

$dir = pathname_directory($path);

Returns the directory component of the pathname $path

$name = pathname_name($path);

Returns the name component of the pathname $path

$type = pathname_type($path);

Returns the type component of the pathname $path

$path = pathname_concat($dir,$file);

Returns the pathname resulting from concatenating the directory $dir

and filename

$file

$boole = pathname_is_absolute($path);

Returns whether the pathname $path

appears to be an absolute pathname.

$boole = pathname_is_url($path);

Returns whether the pathname $path

appears to be a url, rather than local file.

$boole = pathname_is_literaldata($path);

Returns whether the pathname $path

is actually a blob of literal data, with a leading ‟literal:” protocol.

$boole = pathname_is_raw($path);

Check if pathname indicates a raw TeX source or definition file.

$boole = pathname_is_reloadable($path);

Check for pathname exceptions where the same TeX definition file can be meaningfully reloaded. For example, babel.sty ‟.ldf” files

$rel = pathname_is_contained($path,$base);

Checks whether $path

is underneath the directory

$base

; if so it returns the pathname

$path

relative to

$base

; otherwise returns undef.

$path = pathname_relative($path,$base);

If $path

is an absolute, non-URL pathname, returns the pathname relative to the directory

$base

, otherwise simply returns the canonical form of

$path

$path = pathname_absolute($path,$base);

Returns the absolute pathname resulting from interpretting $path

relative to the directory

$base

. If

$path

is already absolute, it is returned unchanged.

$relative_url = pathname_to_url($path);

Creates a local, relative URL for a given pathname, also ensuring proper path separators on non-Unix systems.

File System Operations

$modtime = pathname_timestamp($path);

Returns the modification time of the file named by $path

, or undef if the file does not exist.

$path = pathname_cwd();

Returns the current working directory.

$dir = pathname_mkdir($dir);

Creates the directory $dir

and all missing ancestors. It returns

$dir

if successful, else undef.

$dest = pathname_copy($source,$dest);

Copies the file $source

$dest

if needed; ie. if

$dest

is missing or older than

$source

. It preserves the timestamp of

$source

$path = pathname_find($name,%options);

Finds the first file named $name

that exists and that matches the specification in the keywords

%options

. An absolute pathname is returned. If

$name

is not already an absolute pathname, then the option

paths

determines directories to recursively search. It should be a list of pathnames, any relative paths are interpreted relative to the current directory. If

paths

is omitted, then the current directory is searched. If the option

installation_subdir

is given, it indicates, in addition to the above, a directory relative to the LaTeXML installation directory to search. This allows files included with the distribution to be found. The

types

option specifies a list of filetypes to search for. If not supplied, then the filename must match exactly. The type

*

matches any extension.

@paths = pathname_findall($name,%options);

Like pathname_find

, but returns

all

matching (absolute) paths that exist.

$path = pathname_kpsewhich(@names);

Attempt to find a candidate name via the external kpsewhich

capability of the system's TeX toolchain. If

kpsewhich

is not available, or the file is not found, returns a Perl undefined value.

AUTHOR

Bruce Miller <bruce.miller@nist.gov>

Public domain software, produced as part of work done by the United States Government & not subject to copyright in the US.

Johanes Gumabo

Data Size : 19,019 byte

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