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|
#! @im_path_perl@
################################################################
###
### imgrep :: Internet Message g/RE/p
###
### Copyright (C) 1997 Internet Message Group
###
### This Perl5 library conforms
### GNU GENERAL PUBLIC LICENSE Version 2.
###
###
### Author: Internet Message Group <img@mew.org>
### Created: Apr 23, 1997
### Revised: @im_revised@
###
my $VERSION = "imgrep @im_version@";
$Prog = 'imgrep';
##
## Require packages
##
use IM::Config;
use IM::Folder;
use IM::Grep;
use IM::Util;
use integer;
use strict;
use vars qw($Prog $EXPLANATION @OptConfig
$opt_format @opt_src $opt_casefold $opt_expression
$opt_delimiter $opt_verbose $opt_debug
$opt_quiet $opt_help);
##
## Environments
##
$opt_format = 'number'; # use number, folder, or path
$opt_casefold = 'yes'; # default case-insensitive
my @default_ranges = ();
my @opt_folders = ();
my $eval_string = ''; # store search engine
# regexp for range syntax (sequence not supported)
my $range_element = '(\\d+|cur|first|last|next|prev|new)';
my $range_regexp = "($range_element(-$range_element|:[+-]?\\d+)?|all)";
$EXPLANATION = "
$Prog :: Internet Message GREP
$VERSION
Usage :: $Prog [options] [+folder] [range]
";
@OptConfig = (
'src;F@;;' => 'msg source: "+folder:[range[,range..]]"',
'format;s;;' => 'Output format: "number", "folder", or "path"'.
"\n\t\t(default: \"number\" for single target folder".
"\n\t\t \"path\" for multiple target folders)",
'casefold;b;on;' => 'Case sensitivity'.
"\n\t\t(This option affects both fieldname and pattern.)",
'expression;s;;' => 'Search expression:'.
"\n\n\t\tUsable keyword".
"\n\t\t\t& && logical AND".
"\n\t\t\t| || logical OR".
"\n\t\t\t! logical NOT".
"\n\t\t\t( ) parens".
"\n\t\t\tfieldname=pattern search pattern for the field".
"\n\n\t\tSpecial fieldname:".
"\n\t\t\thead Entire header".
"\n\t\t\tbody Entire body".
"\n\t\t\tall Entire message",
'delimiter;s;\n\n|\n----\n;' => 'Mail header delimiter',
'quiet;b;;' => 'Suppress informational messages.',
'verbose;b;;' => 'With diagnostic messages.',
'debug;d;;' => 'With debug messages.',
'help;b;;' => 'Show this messages.',
);
##
## Profile and option processing
##
init_opt(\@OptConfig);
read_cfg();
read_opt(\@ARGV); # help?
help($EXPLANATION) && exit $EXIT_SUCCESS if $opt_help;
debug_option($opt_debug) if $opt_debug;
##
## Main
##
my $default_folder = cur_folder(); # must set here
#
# Fix some valuables
#
@opt_src = sortuniq(@opt_src);
@opt_src or @opt_src = ( $default_folder );
@default_ranges = ( @ARGV ? @ARGV : 'all' );
if ( $opt_format eq 'number' and @opt_src > 1 ) {
$opt_format = 'path';
}
#
# Compile expression
#
$eval_string = parse_expression($opt_expression, $opt_casefold);
#
# Iterate each folder
#
my $matched = 0;
FOLDER:
foreach (@opt_src) {
my ($folder, $ranges) = (/([^:]+)(?::)?(.*)?/);
my $folder_dir;
my @ranges = split(',', $ranges);
my @messages = ();
if ( $folder =~ /^\-/ ) {
im_warn("Newsspool $folder search not supported (ignored)\n");
next FOLDER;
}
@ranges = ( $ranges ? @ranges : @default_ranges );
$folder_dir = expand_path($folder);
@messages = grep_folder($folder_dir, $eval_string, @ranges);
if ( @messages ) {
$matched += @messages;
foreach ( @messages ) {
print "$folder:" if ($opt_format eq 'folder');
print "$folder_dir/" if ($opt_format eq 'path');
print "$_\n";
# flush('STDOUT');
}
}
}
$matched
or do {
if ($opt_quiet) {
exit $EXIT_ERROR;
} else {
im_die2("no message matches specifications\n");
}
};
exit $EXIT_SUCCESS;
##
## End of Main
##
##################################################
### Local Variables:
### mode: perl
### End:
|
