three-argument open with more/unix commands

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

what are the 3 arg equivalents to :

open FH, "| more";
open FH, "zcat |";
[download]

i've tried every permutation i could think of! thanks

Comment on three-argument open with more/unix commands Download Code

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Re: three-argument open with more/unix commands by BrowserUk (Patriarch) on Oct 11, 2007 at 03:11 UTC
Note: both can take arguments for the command as a list. `open FH, '\|-', 'more' or die ... print FH ...; open FH, '-\|', 'cmd', 'arg1, 'arg2' or die ... while( <FH> ) { ... }` [download] Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error. "Science is about questioning the status quo. Questioning authority". In the absence of evidence, opinion is indistinguishable from prejudice. "Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."	[reply] [d/l]

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Note: both can take arguments for the command as a list.

open FH, '|-', 'more' or die ...
print FH ...;

open FH, '-|', 'cmd', 'arg1, 'arg2' or die ...
while( <FH> ) {
    ...
}
[download]

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.