Sha256: 35f1a64e0bbc44c01b41655b95175756c93bea2f2efd0b1ba1cd2dbbea38af20
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Size: 921 Bytes
Versions: 65
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Stored size: 921 Bytes
Contents
module GitStyleBinary
module Helpers
module Pager
# by Nathan Weizenbaum - http://nex-3.com/posts/73-git-style-automatic-paging-in-ruby
def run_pager
return if PLATFORM =~ /win32/
return unless STDOUT.tty?
STDOUT.use_color = true
read, write = IO.pipe
unless Kernel.fork # Child process
STDOUT.reopen(write)
STDERR.reopen(write) if STDERR.tty?
read.close
write.close
return
end
# Parent process, become pager
STDIN.reopen(read)
read.close
write.close
ENV['LESS'] = 'FSRX' # Don't page if the input is short enough
Kernel.select [STDIN] # Wait until we have input before we start the pager
pager = ENV['PAGER'] || 'less -erXF'
exec pager rescue exec "/bin/sh", "-c", pager
end
module_function :run_pager
end
end
end
Version data entries
65 entries across 65 versions & 5 rubygems