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pty/shl.rb: update [ci skip]

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* sample/pty/shl.rb: do not manage array length separately.
  [ruby-dev:49974] [Bug #13191]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57533 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-02-04 10:48:15 +00:00
parent 69b6471104
commit b163b3ff64
1 changed files with 6 additions and 8 deletions
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14
sample/pty/shl.rb
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@ -14,7 +14,6 @@ require 'pty'
require 'io/console'
$shells = []
$n_shells = 0
$r_pty = nil
$w_pty = nil
@ -64,17 +63,15 @@ while true
STDOUT.flush
case gets
when /^c/i
$shells[$n_shells] = PTY.spawn("/bin/csh")
$r_pty,$w_pty = $shells[$n_shells]
$n_shells += 1
$shells << PTY.spawn("/bin/csh")
$r_pty,$w_pty = $shells[-1]
$reader.run
if writer == 'Exit'
$n_shells -= 1
$shells[$n_shells] = nil
$shells.pop
end
when /^p/i
for i in 0..$n_shells
unless $shells[i].nil?
$shells.each_with_index do |s, i|
if s
print i,"\n"
end
end
@ -87,6 +84,7 @@ while true
$reader.run
if writer == 'Exit' then
$shells[n] = nil
$shells.pop until $shells.empty? or $shells[-1]
end
end
when /^q/i