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Re^2: Regex to check for very large negative numbers

by cspctec (Sexton)
on Feb 26, 2013 at 12:55 UTC ( #1020683=note: print w/replies, xml ) Need Help??


in reply to Re: Regex to check for very large negative numbers
in thread Regex to check for very large negative numbers

Thanks for the help everyone. I think I have enough information to find a solution.
  • Comment on Re^2: Regex to check for very large negative numbers

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[jdporter]: ok, I need a recipe for piping lines "through" an external program which is itself a filter
[jdporter]: without using a tmp file
[1nickt]: tobyink perl -MTypes::Standard= is_Int -Mstrict -wE 'say 1 if is_Int 1.0'
[jdporter]: so that I can use the existing expand unix util. Otherwise, I'll probably use Text::Tabs.
[1nickt]: pryrt I guess I don;t really care if user 42 logs on as 42.0 ... more of an academic question at this point.
[LanX]: jdporter: open PIPE,'-|' ?
[LanX]: oh you want the result line by line?
[jdporter]: ok, LanX, then what?
[jdporter]: It doesn't have to be line by line. Just "my program" "writes" to the external prog and also/then "reads" from it.
LanX open (You are not allowed to open to a command that pipes both in and out, but see IPC::Open2, IPC::Open3, and Bidirectional Communication with Another Process in perlipc for alternatives.)

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