diff options
Diffstat (limited to 'lib/stdlib/src/c.erl')
| -rw-r--r-- | lib/stdlib/src/c.erl | 74 |
1 files changed, 45 insertions, 29 deletions
diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl index 6d50a575eb..235ea939a8 100644 --- a/lib/stdlib/src/c.erl +++ b/lib/stdlib/src/c.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -42,31 +42,31 @@ -spec help() -> 'ok'. help() -> - format("bt(Pid) -- stack backtrace for a process\n" - "c(File) -- compile and load code in <File>\n" - "cd(Dir) -- change working directory\n" - "flush() -- flush any messages sent to the shell\n" - "help() -- help info\n" - "i() -- information about the system\n" - "ni() -- information about the networked system\n" - "i(X,Y,Z) -- information about pid <X,Y,Z>\n" - "l(Module) -- load or reload module\n" - "lc([File]) -- compile a list of Erlang modules\n" - "ls() -- list files in the current directory\n" - "ls(Dir) -- list files in directory <Dir>\n" - "m() -- which modules are loaded\n" - "m(Mod) -- information about module <Mod>\n" - "memory() -- memory allocation information\n" - "memory(T) -- memory allocation information of type <T>\n" - "nc(File) -- compile and load code in <File> on all nodes\n" - "nl(Module) -- load module on all nodes\n" - "pid(X,Y,Z) -- convert X,Y,Z to a Pid\n" - "pwd() -- print working directory\n" - "q() -- quit - shorthand for init:stop()\n" - "regs() -- information about registered processes\n" - "nregs() -- information about all registered processes\n" - "xm(M) -- cross reference check a module\n" - "y(File) -- generate a Yecc parser\n"). + io:put_chars(<<"bt(Pid) -- stack backtrace for a process\n" + "c(File) -- compile and load code in <File>\n" + "cd(Dir) -- change working directory\n" + "flush() -- flush any messages sent to the shell\n" + "help() -- help info\n" + "i() -- information about the system\n" + "ni() -- information about the networked system\n" + "i(X,Y,Z) -- information about pid <X,Y,Z>\n" + "l(Module) -- load or reload module\n" + "lc([File]) -- compile a list of Erlang modules\n" + "ls() -- list files in the current directory\n" + "ls(Dir) -- list files in directory <Dir>\n" + "m() -- which modules are loaded\n" + "m(Mod) -- information about module <Mod>\n" + "memory() -- memory allocation information\n" + "memory(T) -- memory allocation information of type <T>\n" + "nc(File) -- compile and load code in <File> on all nodes\n" + "nl(Module) -- load module on all nodes\n" + "pid(X,Y,Z) -- convert X,Y,Z to a Pid\n" + "pwd() -- print working directory\n" + "q() -- quit - shorthand for init:stop()\n" + "regs() -- information about registered processes\n" + "nregs() -- information about all registered processes\n" + "xm(M) -- cross reference check a module\n" + "y(File) -- generate a Yecc parser\n">>). %% c(FileName) %% Compile a file/module. @@ -659,7 +659,7 @@ portformat(Name, Id, Cmd) -> pwd() -> case file:get_cwd() of {ok, Str} -> - ok = io:format("~s\n", [Str]); + ok = io:format("~ts\n", [fixup_one_bin(Str)]); {error, _} -> ok = io:format("Cannot determine current directory\n") end. @@ -684,11 +684,27 @@ ls() -> ls(Dir) -> case file:list_dir(Dir) of {ok, Entries} -> - ls_print(sort(Entries)); + ls_print(sort(fixup_bin(Entries))); {error,_E} -> format("Invalid directory\n") end. +fixup_one_bin(X) when is_binary(X) -> + L = binary_to_list(X), + [ if + El > 127 -> + $?; + true -> + El + end || El <- L]; +fixup_one_bin(X) -> + X. +fixup_bin([H|T]) -> + [fixup_one_bin(H) | fixup_bin(T)]; +fixup_bin([]) -> + []. + + ls_print([]) -> ok; ls_print(L) -> Width = min([max(lengths(L, [])), 40]) + 5, @@ -698,7 +714,7 @@ ls_print(X, Width, Len) when Width + Len >= 80 -> io:nl(), ls_print(X, Width, 0); ls_print([H|T], Width, Len) -> - io:format("~-*s",[Width,H]), + io:format("~-*ts",[Width,H]), ls_print(T, Width, Len+Width); ls_print([], _, _) -> io:nl(). |