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I hate it when requirements are eked out on "a need to know" basis! So no commentary will be provided for the following:

#!/usr/bin/env perl use Data::Dumper; use English('-no_match_vars'); use Getopt::Long::Descriptive; use Params::Validate(':all'); use Readonly; use Text::Diff; use Try::Tiny; use 5.01800; use warnings; Readonly my $VALUE_OF=>qr{\| *VALUE *= *}; Readonly my $HASHREF=>{ type=>HASHREF }; use Getopt::Long::Descriptive; my ($opts,$usage)=describe_options( "$0 %o <some-arg>", ['input|i=s','path to input file'], [], ['verbose|v','print extra stuff'], ['help',"print usage message and exit", { shortcircuit => 1 } ], ); print($usage->text), exit if ($opts->help || !$opts->input); warn Data::Dumper->Dump([\$opts],[qw(opts)]),' ' if ($opts->verbose); my @failed; open my $INPUT,'<',$opts->input or die qq{Could NOT open '$opts->input' for reading! $OS_ERROR}; local $INPUT_RECORD_SEPARATOR=qq{\n\n}; while (<$INPUT>) { chomp; warn Data::Dumper->Dump([\$ARG],[qw(*_)]),' ' if ($opts->verbose); my $_href; =strike: Example of input NAME|VALUE = a TASK|VALUE = copy CAPS|VALUE = 0 PKG_TYPE|VALUE = premium =cut ()=m{^(?<name>.+?)$VALUE_OF(?<value>\S*) *$(?{$_href->{uc $+{name} +}=$+{value}})}gsm; push @failed,treat($_href); warn "\n\n"; }; close $INPUT or die qq{Could NOT close '$opts->input' after reading! $OS_ERROR} +; # Dump warn Data::Dumper->Dump([\@failed],[qw(*failed)]),' '; exit; sub treat { my ($_HREF)=Params::Validate::validate_pos(@_,$HASHREF ); warn Data::Dumper->Dump([\$_HREF],[qw(*_HREF)]),' ' if ($opts->verbose); my @return; # If NAME and TASK are NOT to be replaced use #my $file="@{[delete $_HREF->{NAME}]}_@{[delete $_HREF->{TASK} +]}.txt"; # otherwise use my $file="$_HREF->{NAME}_$_HREF->{TASK}.txt"; # my $keys=join q{|},keys %{$_HREF}; my $_re=qr{(?<name>$keys)$VALUE_OF(?<value>\S*)}i; warn Data::Dumper->Dump([\$_re],[qw(*_re)]),' ' if ($opts->verbose); try { my $before; open my $INPUT,'<',"input/$file" or die qq{Could NOT open 'input/$file' for reading! $O +S_ERROR}; local $INPUT_RECORD_SEPARATOR; $before=<$INPUT>; close $INPUT or die qq{Could NOT close 'input/$file' after reading! + $OS_ERROR}; my $after=$before=~ s{$_re(?{ warn Data::Dumper->Dump([\%+ +],[qw(*+)]),' 'if $opts->verbose; })}{$+{name}|VALUE = $_HREF->{uc $+ +{name}}}gimrs; #my $after=$before=~ s{$_re}{$+{name}|VALUE = $_HREF->{uc +$+{name}}}gimrs; warn Data::Dumper->Dump([\diff(\$before,\$after)],[qw(*dif +ference)]),' ' if ($opts->verbose); open my $OUTPUT,'>',"output/$file" or die qq{Could NOT open 'output/$file' for writing! $ +OS_ERROR}; print {$OUTPUT} $after; close $OUTPUT or die qq{Could NOT close 'output/$file' after writing +! $OS_ERROR}; # success @return=(); } catch { # Record failure @return=("input/$file\t$OS_ERROR"); Carp::cluck $ARG if ($opts->verbose); }; return @return; }; # treat
...>perl 11116842_02.t --input 11116842.dat --verbose $opts = \bless( { 'verbose' => 1, 'input' => '11116842.dat' }, 'Getopt::Long::Descriptive::Opts::__OPT__::1' ); at 11116842_02.t line 27. $_ = \'NAME|VALUE = a TASK|VALUE = copy CAPS|VALUE = 0 PKG_TYPE|VALUE = premium'; at 11116842_02.t line 36, <$INPUT> chunk 1. $_HREF = \{ 'TASK' => 'copy', 'CAPS' => '0', 'PKG_TYPE' => 'premium', 'NAME' => 'a' }; at 11116842_02.t line 58, <$INPUT> chunk 1. $_re = \qr/(?<name>TASK|CAPS|PKG_TYPE|NAME)(?^u:\| *VALUE *= *)(?<valu +e>\S*)/ui; at 11116842_02.t line 69, <$INPUT> chunk 1. %+ = ( 'name' => 'NAME', 'value' => 'a' ); at 11116842_02.t line 80. %+ = ( 'name' => 'TASK', 'value' => 'copy' ); at 11116842_02.t line 80. %+ = ( 'name' => 'CAPS', 'value' => '34' ); at 11116842_02.t line 80. %+ = ( 'name' => 'PKG_TYPE', 'value' => 'minimal' ); at 11116842_02.t line 80. $difference = \'@@ -31,12 +31,12 @@ dskmdsldsdsda -CAPS|VALUE = 34 +CAPS|VALUE = 0 dksdmlsajdsajdsa .............................. dsdksld;sads -PKG_TYPE|VALUE = minimal +PKG_TYPE|VALUE = premium dsmds.dsa.d lsdksadjsldjsdjpos ........................... '; at 11116842_02.t line 83. $_ = \'NAME|VALUE = z TASK|VALUE = cut CAPS|VALUE = 0 PKG_TYPE|VALUE = premium'; at 11116842_02.t line 36, <$INPUT> chunk 2. $_HREF = \{ 'PKG_TYPE' => 'premium', 'CAPS' => '0', 'NAME' => 'z', 'TASK' => 'cut' }; at 11116842_02.t line 58, <$INPUT> chunk 2. $_re = \qr/(?<name>PKG_TYPE|CAPS|NAME|TASK)(?^u:\| *VALUE *= *)(?<valu +e>\S*)/ui; at 11116842_02.t line 69, <$INPUT> chunk 2. Could NOT open 'input/z_cut.txt' for reading! No such file or director +y at 11116842_02.t line 73, <$INPUT> chunk 2. at 11116842_02.t line 97. main::catch {...} ("Could NOT open 'input/z_cut.txt' for readi +ng! No such file or"...) called at C:/berrybrew/5.18.4_32/perl/site/l +ib/Try/Tiny.pm line 123 Try::Tiny::try(CODE(0x2e8f57c), Try::Tiny::Catch=REF(0x2d57034 +)) called at 11116842_02.t line 99 main::treat(HASH(0x2e8c8fc)) called at 11116842_02.t line 47 $_ = \'NAME|VALUE = c TASK|VALUE = paste STACK|VALUE = 2 SHIP|VALUE = lowtier'; at 11116842_02.t line 36, <$INPUT> chunk 3. $_HREF = \{ 'NAME' => 'c', 'STACK' => '2', 'TASK' => 'paste', 'SHIP' => 'lowtier' }; at 11116842_02.t line 58, <$INPUT> chunk 3. $_re = \qr/(?<name>NAME|STACK|TASK|SHIP)(?^u:\| *VALUE *= *)(?<value>\ +S*)/ui; at 11116842_02.t line 69, <$INPUT> chunk 3. Could NOT open 'input/c_paste.txt' for reading! No such file or direct +ory at 11116842_02.t line 73, <$INPUT> chunk 3. at 11116842_02.t line 97. main::catch {...} ("Could NOT open 'input/c_paste.txt' for rea +ding! No such file "...) called at C:/berrybrew/5.18.4_32/perl/site/l +ib/Try/Tiny.pm line 123 Try::Tiny::try(CODE(0x2e8cbec), Try::Tiny::Catch=REF(0x2e8cbdc +)) called at 11116842_02.t line 99 main::treat(HASH(0x2e8f57c)) called at 11116842_02.t line 47 @failed = ( 'input/z_cut.txt No such file or directory', 'input/c_paste.txt No such file or directory' ); at 11116842_02.t line 53.

In reply to Re: Need your help in a pattern based text manipulation algorithm by clueless newbie
in thread Need your help in a pattern based text manipulation algorithm by kaushik9918

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