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	726 B	-rw-r--r--	2026-04-07 16:51
advise-i.ri	1.81 KB	-rw-r--r--	2026-04-07 16:51
autoclose%3d-i.ri	647 B	-rw-r--r--	2026-04-07 16:51
autoclose%3f-i.ri	435 B	-rw-r--r--	2026-04-07 16:51
beep-i.ri	396 B	-rw-r--r--	2026-04-07 16:51
binmode%3f-i.ri	398 B	-rw-r--r--	2026-04-07 16:51
binmode-i.ri	461 B	-rw-r--r--	2026-04-07 16:51
binread-c.ri	693 B	-rw-r--r--	2026-04-07 16:51
binwrite-c.ri	670 B	-rw-r--r--	2026-04-07 16:51
cdesc-IO.ri	31.76 KB	-rw-r--r--	2026-04-07 16:51
check_winsize_changed-i.ri	525 B	-rw-r--r--	2026-04-07 16:51
clear_screen-i.ri	471 B	-rw-r--r--	2026-04-07 16:51
close-i.ri	1.15 KB	-rw-r--r--	2026-04-07 16:51
close_on_exec%3d-i.ri	1.01 KB	-rw-r--r--	2026-04-07 16:51
close_on_exec%3f-i.ri	583 B	-rw-r--r--	2026-04-07 16:51
close_read-i.ri	1022 B	-rw-r--r--	2026-04-07 16:51
close_write-i.ri	1.06 KB	-rw-r--r--	2026-04-07 16:51
closed%3f-i.ri	836 B	-rw-r--r--	2026-04-07 16:51
console-c.ri	636 B	-rw-r--r--	2026-04-07 16:51
console_mode%3d-i.ri	435 B	-rw-r--r--	2026-04-07 16:51
console_mode-i.ri	457 B	-rw-r--r--	2026-04-07 16:51
cooked%21-i.ri	475 B	-rw-r--r--	2026-04-07 16:51
cooked-i.ri	560 B	-rw-r--r--	2026-04-07 16:51
copy_stream-c.ri	2.28 KB	-rw-r--r--	2026-04-07 16:51
cursor%3d-i.ri	476 B	-rw-r--r--	2026-04-07 16:51
cursor-i.ri	544 B	-rw-r--r--	2026-04-07 16:51
cursor_down-i.ri	441 B	-rw-r--r--	2026-04-07 16:51
cursor_left-i.ri	443 B	-rw-r--r--	2026-04-07 16:51
cursor_right-i.ri	446 B	-rw-r--r--	2026-04-07 16:51
cursor_up-i.ri	435 B	-rw-r--r--	2026-04-07 16:51
each-i.ri	2.97 KB	-rw-r--r--	2026-04-07 16:51
each_byte-i.ri	777 B	-rw-r--r--	2026-04-07 16:51
each_char-i.ri	765 B	-rw-r--r--	2026-04-07 16:51
each_codepoint-i.ri	728 B	-rw-r--r--	2026-04-07 16:51
each_line-i.ri	2.75 KB	-rw-r--r--	2026-04-07 16:51
echo%3d-i.ri	508 B	-rw-r--r--	2026-04-07 16:51
echo%3f-i.ri	433 B	-rw-r--r--	2026-04-07 16:51
eof%3f-i.ri	1.34 KB	-rw-r--r--	2026-04-07 16:51
eof-i.ri	1.36 KB	-rw-r--r--	2026-04-07 16:51
erase_line-i.ri	563 B	-rw-r--r--	2026-04-07 16:51
erase_screen-i.ri	571 B	-rw-r--r--	2026-04-07 16:51
expect-i.ri	1.74 KB	-rw-r--r--	2026-04-07 16:51
external_encoding-i.ri	543 B	-rw-r--r--	2026-04-07 16:51
fcntl-i.ri	834 B	-rw-r--r--	2026-04-07 16:51
fdatasync-i.ri	497 B	-rw-r--r--	2026-04-07 16:51
fileno-i.ri	579 B	-rw-r--r--	2026-04-07 16:51
flush-i.ri	571 B	-rw-r--r--	2026-04-07 16:51
for_fd-c.ri	318 B	-rw-r--r--	2026-04-07 16:51
foreach-c.ri	2.93 KB	-rw-r--r--	2026-04-07 16:51
fsync-i.ri	933 B	-rw-r--r--	2026-04-07 16:51
getbyte-i.ri	705 B	-rw-r--r--	2026-04-07 16:51
getc-i.ri	709 B	-rw-r--r--	2026-04-07 16:51
getch-i.ri	516 B	-rw-r--r--	2026-04-07 16:51
getpass-i.ri	797 B	-rw-r--r--	2026-04-07 16:51
gets-i.ri	2.66 KB	-rw-r--r--	2026-04-07 16:51
goto-i.ri	446 B	-rw-r--r--	2026-04-07 16:51
goto_column-i.ri	493 B	-rw-r--r--	2026-04-07 16:51
iflush-i.ri	405 B	-rw-r--r--	2026-04-07 16:51
inspect-i.ri	464 B	-rw-r--r--	2026-04-07 16:51
internal_encoding-i.ri	537 B	-rw-r--r--	2026-04-07 16:51
ioctl-i.ri	837 B	-rw-r--r--	2026-04-07 16:51
ioflush-i.ri	420 B	-rw-r--r--	2026-04-07 16:51
isatty-i.ri	583 B	-rw-r--r--	2026-04-07 16:51
lineno%3d-i.ri	384 B	-rw-r--r--	2026-04-07 16:51
lineno-i.ri	369 B	-rw-r--r--	2026-04-07 16:51
new-c.ri	1.73 KB	-rw-r--r--	2026-04-07 16:51
noecho-i.ri	552 B	-rw-r--r--	2026-04-07 16:51
nonblock%3d-i.ri	2.06 KB	-rw-r--r--	2026-04-07 16:51
nonblock%3f-i.ri	360 B	-rw-r--r--	2026-04-07 16:51
nonblock-i.ri	571 B	-rw-r--r--	2026-04-07 16:51
nread-i.ri	476 B	-rw-r--r--	2026-04-07 16:51
oflush-i.ri	406 B	-rw-r--r--	2026-04-07 16:51
open-c.ri	617 B	-rw-r--r--	2026-04-07 16:51
path-i.ri	623 B	-rw-r--r--	2026-04-07 16:51
pathconf-i.ri	768 B	-rw-r--r--	2026-04-07 16:51
pid-i.ri	783 B	-rw-r--r--	2026-04-07 16:51
pipe-c.ri	3.17 KB	-rw-r--r--	2026-04-07 16:51
popen-c.ri	5.73 KB	-rw-r--r--	2026-04-07 16:51
pos%3d-i.ri	606 B	-rw-r--r--	2026-04-07 16:51
pos-i.ri	582 B	-rw-r--r--	2026-04-07 16:51
pread-i.ri	1.34 KB	-rw-r--r--	2026-04-07 16:51
pressed%3f-i.ri	571 B	-rw-r--r--	2026-04-07 16:51
print-i.ri	1.8 KB	-rw-r--r--	2026-04-07 16:51
printf-i.ri	486 B	-rw-r--r--	2026-04-07 16:51
putc-i.ri	734 B	-rw-r--r--	2026-04-07 16:51
puts-i.ri	1.87 KB	-rw-r--r--	2026-04-07 16:51
pwrite-i.ri	1.17 KB	-rw-r--r--	2026-04-07 16:51
raw%21-i.ri	592 B	-rw-r--r--	2026-04-07 16:51
raw-i.ri	1.08 KB	-rw-r--r--	2026-04-07 16:51
read-c.ri	2.02 KB	-rw-r--r--	2026-04-07 16:51
read-i.ri	3.07 KB	-rw-r--r--	2026-04-07 16:51
read_nonblock-i.ri	2.78 KB	-rw-r--r--	2026-04-07 16:51
readbyte-i.ri	709 B	-rw-r--r--	2026-04-07 16:51
readchar-i.ri	722 B	-rw-r--r--	2026-04-07 16:51
readline-i.ri	642 B	-rw-r--r--	2026-04-07 16:51
readlines-c.ri	2.6 KB	-rw-r--r--	2026-04-07 16:51
readlines-i.ri	2.4 KB	-rw-r--r--	2026-04-07 16:51
readpartial-i.ri	4.4 KB	-rw-r--r--	2026-04-07 16:51
ready%3f-i.ri	468 B	-rw-r--r--	2026-04-07 16:51
reopen-i.ri	1.33 KB	-rw-r--r--	2026-04-07 16:51
rewind-i.ri	886 B	-rw-r--r--	2026-04-07 16:51
scroll_backward-i.ri	463 B	-rw-r--r--	2026-04-07 16:51
scroll_forward-i.ri	460 B	-rw-r--r--	2026-04-07 16:51
seek-i.ri	1.69 KB	-rw-r--r--	2026-04-07 16:51
select-c.ri	6.07 KB	-rw-r--r--	2026-04-07 16:51
set_encoding-i.ri	1.37 KB	-rw-r--r--	2026-04-07 16:51
set_encoding_by_bom-i.ri	1016 B	-rw-r--r--	2026-04-07 16:51
stat-i.ri	594 B	-rw-r--r--	2026-04-07 16:51
sync%3d-i.ri	942 B	-rw-r--r--	2026-04-07 16:51
sync-i.ri	665 B	-rw-r--r--	2026-04-07 16:51
sysopen-c.ri	793 B	-rw-r--r--	2026-04-07 16:51
sysread-i.ri	524 B	-rw-r--r--	2026-04-07 16:51
sysseek-i.ri	564 B	-rw-r--r--	2026-04-07 16:51
syswrite-i.ri	765 B	-rw-r--r--	2026-04-07 16:51
tell-i.ri	605 B	-rw-r--r--	2026-04-07 16:51
timeout%3d-i.ri	1.18 KB	-rw-r--r--	2026-04-07 16:51
timeout-i.ri	341 B	-rw-r--r--	2026-04-07 16:51
to_i-i.ri	553 B	-rw-r--r--	2026-04-07 16:51
to_io-i.ri	280 B	-rw-r--r--	2026-04-07 16:51
to_path-i.ri	598 B	-rw-r--r--	2026-04-07 16:51
try_convert-c.ri	652 B	-rw-r--r--	2026-04-07 16:51
tty%3f-i.ri	551 B	-rw-r--r--	2026-04-07 16:51
ttyname-i.ri	404 B	-rw-r--r--	2026-04-07 16:51
ungetbyte-i.ri	1.46 KB	-rw-r--r--	2026-04-07 16:51
ungetc-i.ri	1.56 KB	-rw-r--r--	2026-04-07 16:51
wait-i.ri	1.16 KB	-rw-r--r--	2026-04-07 16:51
wait_priority-i.ri	691 B	-rw-r--r--	2026-04-07 16:51
wait_readable-i.ri	658 B	-rw-r--r--	2026-04-07 16:51
wait_writable-i.ri	581 B	-rw-r--r--	2026-04-07 16:51
winsize%3d-i.ri	497 B	-rw-r--r--	2026-04-07 16:51
winsize-i.ri	421 B	-rw-r--r--	2026-04-07 16:51
write-c.ri	1.97 KB	-rw-r--r--	2026-04-07 16:51
write-i.ri	839 B	-rw-r--r--	2026-04-07 16:51
write_nonblock-i.ri	2.55 KB	-rw-r--r--	2026-04-07 16:51

Rename

U:RDoc::AnyMethod[iI"
popen:ETI"IO::popen;TT:publico: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