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change type of CCUnix.escape_str

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This commit is contained in:
Simon Cruanes 2016-11-03 17:56:05 +01:00
parent e9c20b9b21
commit af6b1dd6e0
2 changed files with 11 additions and 8 deletions
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9
src/unix/CCUnix.ml
View file

@ -34,10 +34,12 @@ let finally_ f x ~h =
raise e
(* print a string, but escaped if required *)
let escape_str buf s =
if str_exists s
let escape_str s =
if
str_exists s
(function ' ' | '"' | '\'' | '\n' | '\t'-> true | _ -> false)
then (
let buf = Buffer.create (String.length s) in
Buffer.add_char buf '\'';
String.iter
(function
@ -45,7 +47,8 @@ let escape_str buf s =
| c -> Buffer.add_char buf c
) s;
Buffer.add_char buf '\'';
) else Buffer.add_string buf s
Buffer.contents buf
) else s
let read_all ?(size=1024) ic =
let buf = ref (Bytes.create size) in

10
src/unix/CCUnix.mli
View file

@ -13,13 +13,13 @@ type 'a gen = unit -> 'a option
(** {2 Calling Commands} *)
val escape_str : Buffer.t -> string -> unit
val escape_str : string -> string
(** Escape a string so it can be a shell argument. *)
(*$T
CCPrint.sprintf "%a" escape_str "foo" = "foo"
CCPrint.sprintf "%a" escape_str "foo bar" = "'foo bar'"
CCPrint.sprintf "%a" escape_str "fo'o b'ar" = "'fo'\\''o b'\\''ar'"
escape_str "foo" = "foo"
escape_str "foo bar" = "'foo bar'"
escape_str "fo'o b'ar" = "'fo'\\''o b'\\''ar'"
*)
type call_result =
@ -45,7 +45,7 @@ val call : ?bufsize:int ->
(*$T
(call ~stdin:(`Str "abc") "cat")#stdout = "abc"
(call "echo %a" escape_str "a'b'c")#stdout = "a'b'c\n"
(call "echo %s" (escape_str "a'b'c"))#stdout = "a'b'c\n"
(call "echo %s" "a'b'c")#stdout = "abc\n"
*)