Gecko [ beriskala.com ]

Name	Size	Permission	Date
Buffer	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
ConsoleMode	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
EAGAINWaitReadable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
EAGAINWaitWritable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
EINPROGRESSWaitReadable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
EINPROGRESSWaitWritable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
EWOULDBLOCKWaitReadable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
EWOULDBLOCKWaitWritable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
TimeoutError	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
WaitReadable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
WaitWritable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
generic_readable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
generic_writable	[ DIR ]	drwxr-xr-x	2026-05-05 23:08
%3c%3c-i.ri	727 B	-rw-r--r--	2026-04-07 17:42
advise-i.ri	1.82 KB	-rw-r--r--	2026-04-07 17:42
autoclose%3d-i.ri	635 B	-rw-r--r--	2026-04-07 17:42
autoclose%3f-i.ri	429 B	-rw-r--r--	2026-04-07 17:42
beep-i.ri	226 B	-rw-r--r--	2026-04-07 17:42
binmode%3f-i.ri	399 B	-rw-r--r--	2026-04-07 17:42
binmode-i.ri	462 B	-rw-r--r--	2026-04-07 17:42
binread-c.ri	758 B	-rw-r--r--	2026-04-07 17:42
binwrite-c.ri	723 B	-rw-r--r--	2026-04-07 17:42
cdesc-IO.ri	30.34 KB	-rw-r--r--	2026-04-07 17:42
check_winsize_changed-i.ri	260 B	-rw-r--r--	2026-04-07 17:42
clear_screen-i.ri	242 B	-rw-r--r--	2026-04-07 17:42
close-i.ri	1.04 KB	-rw-r--r--	2026-04-07 17:42
close_on_exec%3d-i.ri	1.01 KB	-rw-r--r--	2026-04-07 17:42
close_on_exec%3f-i.ri	584 B	-rw-r--r--	2026-04-07 17:42
close_read-i.ri	1023 B	-rw-r--r--	2026-04-07 17:42
close_write-i.ri	1.06 KB	-rw-r--r--	2026-04-07 17:42
closed%3f-i.ri	837 B	-rw-r--r--	2026-04-07 17:42
console-c.ri	637 B	-rw-r--r--	2026-04-07 17:42
console_mode%3d-i.ri	436 B	-rw-r--r--	2026-04-07 17:42
console_mode-i.ri	458 B	-rw-r--r--	2026-04-07 17:42
console_size-c.ri	284 B	-rw-r--r--	2026-04-07 17:42
cooked%21-i.ri	476 B	-rw-r--r--	2026-04-07 17:42
cooked-i.ri	561 B	-rw-r--r--	2026-04-07 17:42
copy_stream-c.ri	2.28 KB	-rw-r--r--	2026-04-07 17:42
cursor%3d-i.ri	234 B	-rw-r--r--	2026-04-07 17:42
cursor-i.ri	230 B	-rw-r--r--	2026-04-07 17:42
cursor_down-i.ri	242 B	-rw-r--r--	2026-04-07 17:42
cursor_left-i.ri	242 B	-rw-r--r--	2026-04-07 17:42
cursor_right-i.ri	244 B	-rw-r--r--	2026-04-07 17:42
cursor_up-i.ri	238 B	-rw-r--r--	2026-04-07 17:42
default_console_size-c.ri	374 B	-rw-r--r--	2026-04-07 17:42
each-i.ri	3.18 KB	-rw-r--r--	2026-04-07 17:42
each_byte-i.ri	778 B	-rw-r--r--	2026-04-07 17:42
each_char-i.ri	766 B	-rw-r--r--	2026-04-07 17:42
each_codepoint-i.ri	729 B	-rw-r--r--	2026-04-07 17:42
each_line-i.ri	2.96 KB	-rw-r--r--	2026-04-07 17:42
echo%3d-i.ri	509 B	-rw-r--r--	2026-04-07 17:42
echo%3f-i.ri	434 B	-rw-r--r--	2026-04-07 17:42
eof%3f-i.ri	1.38 KB	-rw-r--r--	2026-04-07 17:42
eof-i.ri	1.41 KB	-rw-r--r--	2026-04-07 17:42
erase_line-i.ri	240 B	-rw-r--r--	2026-04-07 17:42
erase_screen-i.ri	244 B	-rw-r--r--	2026-04-07 17:42
expect-i.ri	1.74 KB	-rw-r--r--	2026-04-07 17:42
external_encoding-i.ri	544 B	-rw-r--r--	2026-04-07 17:42
fcntl-i.ri	834 B	-rw-r--r--	2026-04-07 17:42
fdatasync-i.ri	498 B	-rw-r--r--	2026-04-07 17:42
fileno-i.ri	630 B	-rw-r--r--	2026-04-07 17:42
flush-i.ri	572 B	-rw-r--r--	2026-04-07 17:42
for_fd-c.ri	319 B	-rw-r--r--	2026-04-07 17:42
foreach-c.ri	3.7 KB	-rw-r--r--	2026-04-07 17:42
fsync-i.ri	934 B	-rw-r--r--	2026-04-07 17:42
getbyte-i.ri	706 B	-rw-r--r--	2026-04-07 17:42
getc-i.ri	710 B	-rw-r--r--	2026-04-07 17:42
getch-i.ri	517 B	-rw-r--r--	2026-04-07 17:42
getpass-i.ri	635 B	-rw-r--r--	2026-04-07 17:42
gets-i.ri	2.84 KB	-rw-r--r--	2026-04-07 17:42
goto-i.ri	232 B	-rw-r--r--	2026-04-07 17:42
goto_column-i.ri	242 B	-rw-r--r--	2026-04-07 17:42
iflush-i.ri	406 B	-rw-r--r--	2026-04-07 17:42
inspect-i.ri	465 B	-rw-r--r--	2026-04-07 17:42
internal_encoding-i.ri	538 B	-rw-r--r--	2026-04-07 17:42
ioctl-i.ri	838 B	-rw-r--r--	2026-04-07 17:42
ioflush-i.ri	421 B	-rw-r--r--	2026-04-07 17:42
isatty-i.ri	634 B	-rw-r--r--	2026-04-07 17:42
lineno%3d-i.ri	385 B	-rw-r--r--	2026-04-07 17:42
lineno-i.ri	370 B	-rw-r--r--	2026-04-07 17:42
new-c.ri	1.73 KB	-rw-r--r--	2026-04-07 17:42
noecho-i.ri	553 B	-rw-r--r--	2026-04-07 17:42
nonblock%3d-i.ri	2.06 KB	-rw-r--r--	2026-04-07 17:42
nonblock%3f-i.ri	361 B	-rw-r--r--	2026-04-07 17:42
nonblock-i.ri	572 B	-rw-r--r--	2026-04-07 17:42
nread-i.ri	477 B	-rw-r--r--	2026-04-07 17:42
oflush-i.ri	407 B	-rw-r--r--	2026-04-07 17:42
open-c.ri	618 B	-rw-r--r--	2026-04-07 17:42
path-i.ri	624 B	-rw-r--r--	2026-04-07 17:42
pathconf-i.ri	730 B	-rw-r--r--	2026-04-07 17:42
pid-i.ri	784 B	-rw-r--r--	2026-04-07 17:42
pipe-c.ri	3.17 KB	-rw-r--r--	2026-04-07 17:42
popen-c.ri	5.73 KB	-rw-r--r--	2026-04-07 17:42
pos%3d-i.ri	607 B	-rw-r--r--	2026-04-07 17:42
pos-i.ri	631 B	-rw-r--r--	2026-04-07 17:42
pread-i.ri	1.34 KB	-rw-r--r--	2026-04-07 17:42
pressed%3f-i.ri	236 B	-rw-r--r--	2026-04-07 17:42
print-i.ri	1.8 KB	-rw-r--r--	2026-04-07 17:42
printf-i.ri	487 B	-rw-r--r--	2026-04-07 17:42
putc-i.ri	735 B	-rw-r--r--	2026-04-07 17:42
puts-i.ri	1.87 KB	-rw-r--r--	2026-04-07 17:42
pwrite-i.ri	1.17 KB	-rw-r--r--	2026-04-07 17:42
raw%21-i.ri	593 B	-rw-r--r--	2026-04-07 17:42
raw-i.ri	1.08 KB	-rw-r--r--	2026-04-07 17:42
read-c.ri	2.66 KB	-rw-r--r--	2026-04-07 17:42
read-i.ri	3.07 KB	-rw-r--r--	2026-04-07 17:42
read_nonblock-i.ri	2.78 KB	-rw-r--r--	2026-04-07 17:42
readbyte-i.ri	710 B	-rw-r--r--	2026-04-07 17:42
readchar-i.ri	723 B	-rw-r--r--	2026-04-07 17:42
readline-i.ri	612 B	-rw-r--r--	2026-04-07 17:42
readlines-c.ri	3.47 KB	-rw-r--r--	2026-04-07 17:42
readlines-i.ri	2.55 KB	-rw-r--r--	2026-04-07 17:42
readpartial-i.ri	4.4 KB	-rw-r--r--	2026-04-07 17:42
ready%3f-i.ri	469 B	-rw-r--r--	2026-04-07 17:42
reopen-i.ri	1.33 KB	-rw-r--r--	2026-04-07 17:42
rewind-i.ri	887 B	-rw-r--r--	2026-04-07 17:42
scroll_backward-i.ri	250 B	-rw-r--r--	2026-04-07 17:42
scroll_forward-i.ri	248 B	-rw-r--r--	2026-04-07 17:42
seek-i.ri	1.7 KB	-rw-r--r--	2026-04-07 17:42
select-c.ri	6.03 KB	-rw-r--r--	2026-04-07 17:42
set_encoding-i.ri	1.12 KB	-rw-r--r--	2026-04-07 17:42
set_encoding_by_bom-i.ri	1017 B	-rw-r--r--	2026-04-07 17:42
stat-i.ri	595 B	-rw-r--r--	2026-04-07 17:42
sync%3d-i.ri	943 B	-rw-r--r--	2026-04-07 17:42
sync-i.ri	666 B	-rw-r--r--	2026-04-07 17:42
sysopen-c.ri	794 B	-rw-r--r--	2026-04-07 17:42
sysread-i.ri	525 B	-rw-r--r--	2026-04-07 17:42
sysseek-i.ri	565 B	-rw-r--r--	2026-04-07 17:42
syswrite-i.ri	766 B	-rw-r--r--	2026-04-07 17:42
tell-i.ri	654 B	-rw-r--r--	2026-04-07 17:42
timeout%3d-i.ri	1.08 KB	-rw-r--r--	2026-04-07 17:42
timeout-i.ri	342 B	-rw-r--r--	2026-04-07 17:42
to_i-i.ri	604 B	-rw-r--r--	2026-04-07 17:42
to_io-i.ri	281 B	-rw-r--r--	2026-04-07 17:42
to_path-i.ri	599 B	-rw-r--r--	2026-04-07 17:42
try_convert-c.ri	653 B	-rw-r--r--	2026-04-07 17:42
tty%3f-i.ri	602 B	-rw-r--r--	2026-04-07 17:42
ungetbyte-i.ri	1.46 KB	-rw-r--r--	2026-04-07 17:42
ungetc-i.ri	1.57 KB	-rw-r--r--	2026-04-07 17:42
wait-i.ri	920 B	-rw-r--r--	2026-04-07 17:42
wait_priority-i.ri	692 B	-rw-r--r--	2026-04-07 17:42
wait_readable-i.ri	659 B	-rw-r--r--	2026-04-07 17:42
wait_writable-i.ri	582 B	-rw-r--r--	2026-04-07 17:42
winsize%3d-i.ri	498 B	-rw-r--r--	2026-04-07 17:42
winsize-i.ri	422 B	-rw-r--r--	2026-04-07 17:42
write-c.ri	2.61 KB	-rw-r--r--	2026-04-07 17:42
write-i.ri	840 B	-rw-r--r--	2026-04-07 17:42
write_nonblock-i.ri	2.55 KB	-rw-r--r--	2026-04-07 17:42

Rename

U:RDoc::AnyMethod[iI"
popen:ETI"IO::popen;TT:privateo:RDoc::Markup::Document:@parts[Ho:RDoc::Markup::Paragraph;	[I"6Executes the given command +cmd+ as a subprocess ;TI"Awhose $stdin and $stdout are connected to a new stream +io+.;To:RDoc::Markup::BlankLine�o;
;	[I"XThis method has potential security vulnerabilities if called with untrusted input; ;TI">see {Command Injection}[rdoc-ref:command_injection.rdoc].;T@o;
;	[I"3If no block is given, returns the new stream, ;TI"Pwhich depending on given +mode+ may be open for reading, writing, or both. ;TI"QThe stream should be explicitly closed (eventually) to avoid resource leaks.;T@o;
;	[	I"<If a block is given, the stream is passed to the block ;TI"2(again, open for reading, writing, or both); ;TI"1when the block exits, the stream is closed, ;TI"Sand the block's value is assigned to global variable <tt>$?</tt> and returned.;T@o;
;	[I"9Optional argument +mode+ may be any valid \IO mode. ;TI"4See {Access Modes}[rdoc-ref:File@Access+Modes].;T@o;
;	[I"FRequired argument +cmd+ determines which of the following occurs:;T@o:RDoc::Markup::List:
@type:BULLET:@items[	o:RDoc::Markup::ListItem:@label0;	[o;
;	[I"The process forks.;To;;0;	[o;
;	[I")A specified program runs in a shell.;To;;0;	[o;
;	[I"7A specified program runs with specified arguments.;To;;0;	[o;
;	[I"OA specified program runs with specified arguments and a specified +argv0+.;T@o;
;	[I"%Each of these is detailed below.;T@o;
;	[I"VThe optional hash argument +env+ specifies name/value pairs that are to be added ;TI"5to the environment variables for the subprocess:;T@o:RDoc::Markup::Verbatim;	[
I"8IO.popen({'FOO' => 'bar'}, 'ruby', 'r+') do |pipe|
;TI"# pipe.puts 'puts ENV["FOO"]'
;TI" pipe.close_write
;TI" pipe.gets
;TI"end => "bar\n"
;T:@format0o;
;	[I"/Optional keyword arguments +opts+ specify:;T@o;;
;;[o;;0;	[o;
;	[I".{Open options}[rdoc-ref:IO@Open+Options].;To;;0;	[o;
;	[I"B{Encoding options}[rdoc-ref:encodings.rdoc@Encoding+Options].;To;;0;	[o;
;	[I"Options for Kernel#spawn.;T@o;
;	[I"Forked \Process;T@o;
;	[I"\When argument +cmd+ is the 1-character string <tt>'-'</tt>, causes the process to fork:;To;;	[I"IO.popen('-') do |pipe|
;TI" if pipe
;TI"> $stderr.puts "In parent, child pid is #{pipe.pid}\n"
;TI" else
;TI"1 $stderr.puts "In child, pid is #{$$}\n"
;TI" end
;TI"	end
;T;0o;
;	[I"Output:;T@o;;	[I"#In parent, child pid is 26253
;TI"In child, pid is 26253
;T;0o;
;	[I"6Note that this is not supported on all platforms.;T@o;
;	[I"Shell Subprocess;T@o;
;	[I"DWhen argument +cmd+ is a single string (but not <tt>'-'</tt>), ;TI"7the program named +cmd+ is run as a shell command:;T@o;;	[I"!IO.popen('uname') do |pipe|
;TI" pipe.readlines
;TI"	end
;T;0o;
;	[I"Output:;T@o;;	[I"["Linux\n"]
;T;0o;
;	[I"Another example:;T@o;;	[
I")IO.popen('/bin/sh', 'r+') do |pipe|
;TI" pipe.puts('ls')
;TI" pipe.close_write
;TI"( $stderr.puts pipe.readlines.size
;TI"	end
;T;0o;
;	[I"Output:;T@o;;	[I"	213
;T;0o;
;	[I"Program Subprocess;T@o;
;	[I"1When argument +cmd+ is an array of strings, ;TI"Zthe program named <tt>cmd[0]</tt> is run with all elements of +cmd+ as its arguments:;T@o;;	[I"+IO.popen(['du', '..', '.']) do |pipe|
;TI"( $stderr.puts pipe.readlines.size
;TI"	end
;T;0o;
;	[I"Output:;T@o;;	[I"
1111
;T;0o;
;	[I"2Program Subprocess with <tt>argv0</tt>;T@o;
;	[I"UWhen argument +cmd+ is an array whose first element is a 2-element string array ;TI"7and whose remaining elements (if any) are strings:;T@o;;
;;[o;;0;	[o;
;	[I"d<tt>cmd[0][0]</tt> (the first string in the nested array) is the name of a program that is run.;To;;0;	[o;
;	[I"i<tt>cmd[0][1]</tt> (the second string in the nested array) is set as the program's <tt>argv[0]</tt>.;To;;0;	[o;
;	[I"V<tt>cmd[1..-1]</tt> (the strings in the outer array) are the program's arguments.;T@o;
;	[I")Example (sets <tt>$0</tt> to 'foo'):;T@o;;	[I"GIO.popen([['/bin/sh', 'foo'], '-c', 'echo $0']).read # => "foo\n"
;T;0o;
;	[I"!Some Special Examples;T@o;;	[I"# Set IO encoding.
;TI"IIO.popen("nkf -e filename", :external_encoding=>"EUC-JP") {|nkf_io|
;TI"# euc_jp_string = nkf_io.read
;TI"}
;TI"
;TI"]# Merge standard output and standard error using Kernel#spawn option. See Kernel#spawn.
;TI"9IO.popen(["ls", "/", :err=>[:child, :out]]) do |io|
;TI"& ls_result_with_error = io.read
;TI"	end
;TI"
;TI"4# Use mixture of spawn options and IO options.
;TI"9IO.popen(["ls", "/"], :err=>[:child, :out]) do |io|
;TI"& ls_result_with_error = io.read
;TI"	end
;TI"
;TI" f = IO.popen("uname")
;TI" p f.readlines
;TI" f.close
;TI"& puts "Parent is #{Process.pid}"
;TI"* IO.popen("date") {|f| puts f.gets }
;TI"S IO.popen("-") {|f| $stderr.puts "#{Process.pid} is here, f is #{f.inspect}"}
;TI" p $?
;TI"? IO.popen(%w"sed -e s|^|<foo>| -e s&$&;zot;&", "r+") {|f|
;TI"1 f.puts "bar"; f.close_write; puts f.gets
;TI" }
;T;0o;
;	[I" Output (from last section):;T@o;;	[I"["Linux\n"]
;TI"Parent is 21346
;TI""Thu Jan 15 22:41:19 JST 2009
;TI"$21346 is here, f is #<IO:fd 3>
;TI"21352 is here, f is nil
;TI"*#<Process::Status: pid 21352 exit 0>
;TI"<foo>bar;zot;
;T;0o;
;	[I";Raises exceptions that IO.pipe and Kernel.spawn raise.;T:
@fileI"	io.c;T:0@omit_headings_from_table_of_contents_below0I"yIO.popen(env = {}, cmd, mode = 'r', **opts) -> io
IO.popen(env = {}, cmd, mode = 'r', **opts) {|io| ... } -> object
;T0[�I"(*args);T@�FI"IO;TcRDoc::NormalClass00