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(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU Library General Public License, with *)
(* the special exception on linking described in file ../LICENSE. *)
(* *)
(***********************************************************************)
(** Operations on file names. *)
val current_dir_name : string
(** The conventional name for the current directory (e.g. [.] in Unix). *)
val parent_dir_name : string
(** The conventional name for the parent of the current directory
(e.g. [..] in Unix). *)
val dir_sep : string
(** The directory separator (e.g. [/] in Unix). @since 3.11.2 *)
val concat : string -> string -> string
(** [concat dir file] returns a file name that designates file
[file] in directory [dir]. *)
val is_relative : string -> bool
(** Return [true] if the file name is relative to the current
directory, [false] if it is absolute (i.e. in Unix, starts
with [/]). *)
val is_implicit : string -> bool
(** Return [true] if the file name is relative and does not start
with an explicit reference to the current directory ([./] or
[../] in Unix), [false] if it starts with an explicit reference
to the root directory or the current directory. *)
val check_suffix : string -> string -> bool
(** [check_suffix name suff] returns [true] if the filename [name]
ends with the suffix [suff]. *)
val chop_suffix : string -> string -> string
(** [chop_suffix name suff] removes the suffix [suff] from
the filename [name]. The behavior is undefined if [name] does not
end with the suffix [suff]. *)
val chop_extension : string -> string
(** Return the given file name without its extension. The extension
is the shortest suffix starting with a period and not including
a directory separator, [.xyz] for instance.
Raise [Invalid_argument] if the given name does not contain
an extension. *)
val basename : string -> string
(** Split a file name into directory name / base file name.
If [name] is a valid file name, then [concat (dirname name) (basename name)]
returns a file name which is equivalent to [name]. Moreover,
after setting the current directory to [dirname name] (with {!Sys.chdir}),
references to [basename name] (which is a relative file name)
designate the same file as [name] before the call to {!Sys.chdir}.
This function conforms to the specification of POSIX.1-2008 for the
[basename] utility. *)
val dirname : string -> string
(** See {!Filename.basename}.
This function conforms to the specification of POSIX.1-2008 for the
[dirname] utility. *)
val temp_file : ?temp_dir: string -> string -> string -> string
(** [temp_file prefix suffix] returns the name of a
fresh temporary file in the temporary directory.
The base name of the temporary file is formed by concatenating
[prefix], then a suitably chosen integer number, then [suffix].
The optional argument [temp_dir] indicates the temporary directory
to use, defaulting to the current result of {!Filename.get_temp_dir_name}.
The temporary file is created empty, with permissions [0o600]
(readable and writable only by the file owner). The file is
guaranteed to be different from any other file that existed when
[temp_file] was called.
Raise [Sys_error] if the file could not be created.
@before 3.11.2 no ?temp_dir optional argument
*)
val open_temp_file :
?mode: open_flag list -> ?temp_dir: string -> string -> string ->
string * out_channel
(** Same as {!Filename.temp_file}, but returns both the name of a fresh
temporary file, and an output channel opened (atomically) on
this file. This function is more secure than [temp_file]: there
is no risk that the temporary file will be modified (e.g. replaced
by a symbolic link) before the program opens it. The optional argument
[mode] is a list of additional flags to control the opening of the file.
It can contain one or several of [Open_append], [Open_binary],
and [Open_text]. The default is [[Open_text]] (open in text mode).
Raise [Sys_error] if the file could not be opened.
@before 3.11.2 no ?temp_dir optional argument
*)
val get_temp_dir_name : unit -> string
(** The name of the temporary directory:
Under Unix, the value of the [TMPDIR] environment variable, or "/tmp"
if the variable is not set.
Under Windows, the value of the [TEMP] environment variable, or "."
if the variable is not set.
The temporary directory can be changed with {!Filename.set_temp_dir_name}.
@since 4.00.0
*)
val set_temp_dir_name : string -> unit
(** Change the temporary directory returned by {!Filename.get_temp_dir_name}
and used by {!Filename.temp_file} and {!Filename.open_temp_file}.
@since 4.00.0
*)
val temp_dir_name : string
(** @deprecated The name of the initial temporary directory:
Under Unix, the value of the [TMPDIR] environment variable, or "/tmp"
if the variable is not set.
Under Windows, the value of the [TEMP] environment variable, or "."
if the variable is not set.
This function is deprecated; {!Filename.get_temp_dir_name} should be
used instead.
@since 3.09.1
*)
val quote : string -> string
(** Return a quoted version of a file name, suitable for use as
one argument in a command line, escaping all meta-characters.
Warning: under Windows, the output is only suitable for use
with programs that follow the standard Windows quoting
conventions.
*)
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