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Re^2: Opening multiple files

by Anonymous Monk
on Jan 30, 2012 at 01:09 UTC ( #950679=note: print w/replies, xml ) Need Help??

in reply to Re: Opening multiple files
in thread Opening multiple files

#!/usr/bin/perl -- use strict; use warnings; use Text::CSV; use autodie qw/ open close /; Main( @ARGV ); exit( 0 ); sub Main { return Usage() unless @_ > 2; my( $outfile, @infiles ) = @_; my $csv_out = Text::CSV->new( { always_quote => 1, binary => 1, eol => $/, } ) or die Text::CSV->error_diag(); open $outfile, '>:raw', $outfile; # autodie $csv_out->print( $outfile, \@infiles ) or die $csv_out->error_diag + ; @infiles = map { open my $fh, '<:raw', $_; $fh } @infiles; while( not( grep eof, @infiles ) ){ my @lines = map { scalar readline( $_ ) } @infiles; #~ chomp( @lines ); #~ no warnings 'uninitialized'; #~ s/[\r\n]+$// for @lines; s/[\r\n]+$// for grep defined, @lines; $csv_out->print( $outfile, \@lines ) or die $csv_out->error_di +ag ; } undef $csv_out; close $outfile; # autodie } ## end sub Main sub Usage { print <<"__USAGE__"; $0 $0 outFile.csv inOne.csv inTwo.csv inThree.csv ... EXAMPLE SESSION \$ perl out.csv ta.csv tb.csv tc.csv td.csv \$ cat out.csv "ta.csv","tb.csv","tc.csv","td.csv" "a1","b1","c1","d1""st(i)n,ker""" "a2","b2","c2","d2'st(i)n,ker'" "a3","b3","c3","d3""'st(i)n,ker'""" ,,,"d4 stinker unquoted " __USAGE__ } ## end sub Usage

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Re^3: Opening multiple files
by Anonymous Monk on Nov 21, 2012 at 11:01 UTC


    -  while( not( grep eof, @infiles ) ){

    +  while( not( grep \&eof, @infiles ) ){

      Probably want  while( not grep { eof $_ } @infiles ){

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[james28909]: what if one day we are able to grab the curtain that is "spacetime" and pull it back to reveal <insert imagination here> pulling at levers and ropes xD
[holli]: like dorothy?
[james28909]: see ya later holli
[james28909]: yeah like wizard of oz lol. its just a joke though
[james28909]: i cannot understand how someone cant see that a cloud of gas that evolves into a solar system or galaxies. it just makes sense to me. everythign that has happened, had to have happened for anything on this planet to be.
[james28909]: /gas/gas and debris/
[james28909]: another thing, i used to be atheist. life experiences, personal evidence. and my own perception is the reason why i believe the things i do.
[erix]: and now you are agnostic?
[james28909]: arunbear, your picking bits of history to fit your own narrative. right now, humans are smarter than in any of those times.

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