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Ack(3pm) User Contributed Perl Documentation Ack(3pm)
NAME
App::Ack - A container for functions for the ack program
VERSION
Version 1.80
SYNOPSIS
If you want to know about the ack program, see the ack file itself.
No user-serviceable parts inside. ack is all that should use this.
FUNCTIONS
read_ackrc
Reads the contents of the .ackrc file and returns the arguments.
get_command_line_options()
Gets command-line arguments and does the Ack-specific tweaking.
def_types_from_ARGV
Go through the command line arguments and look for --type-set foo=.foo,.bar and --type-add
xml=.rdf. Remove them from @ARGV and add them to the supported filetypes, i.e. into %map-
pings, etc.
delete_type
Removes a type from the internal structures containing type information: %mappings, %types
and %type_wanted.
ignoredir_filter
Standard filter to pass as a File::Next descend_filter. It returns true if the directory
is any of the ones we know we want to ignore.
remove_dir_sep( $path )
This functions removes a trailing path separator, if there is one, from its argument
filetypes( $filename )
Returns a list of types that $filename could be. For example, a file foo.pod could be
"perl" or "parrot".
The filetype will be "undef" if we can't determine it. This could be if the file doesn't
exist, or it can't be read.
It will be 'skipped' if it's something that ack should avoid searching, even under -a.
is_searchable( $filename )
Returns true if the filename is one that we can search, and false if it's one that we
should skip like a coredump or a backup file.
Recognized files:
/~$/ - Unix backup files
/#.+#$/ - Emacs swap files
/[._].*\.swp$/ - Vi(m) swap files
/core\.\d+$/ - core dumps
build_regex( $str, \%opts )
Returns a regex object based on a string and command-line options.
check_regex( $regex_str )
Checks that the $regex_str can be compiled into a perl regular expression. Dies with the
error message if this is not the case.
No return value.
warn( @_ )
Put out an ack-specific warning.
die( @_ )
Die in an ack-specific way.
filetypes_supported()
Returns a list of all the types that we can detect.
show_help()
Dumps the help page to the user.
show_help_types()
Display the filetypes help subpage.
get_version_statement( $copyright )
Returns the version information for ack.
print_version_statement( $copyright )
Prints the version information for ack.
get_copyright
Return the copyright for ack.
load_colors
Set default colors, load Term::ANSIColor on non Windows platforms
is_interesting
File type filter, filtering based on the wanted file types
open_file( $filename )
Opens the file specified by $filename and returns a filehandle and a flag that says
whether it could be binary.
If there's a failure, it throws a warning and returns an empty list.
close_file( $fh, $filename )
Close $fh opened from $filename.
needs_line_scan( $fh, $regex, \%opts )
Slurp up an entire file up to 100K, see if there are any matches in it, and if so, let us
know so we can iterate over it directly. If it's bigger than 100K or the match is
inverted, we have to do the line-by-line, too.
search( $fh, $could_be_binary, $filename, \%opt )
Main search method
print_match_or_context( $opt, $is_match, $starting_line_no, @lines )
Prints out a matching line or a line of context around a match.
search_and_list( $fh, $filename, \%opt )
Optimized version of searching for -l and --count, which do not show lines.
filetypes_supported_set
True/False - are the filetypes set?
print_files( $iter, $one [, $regex, [, $ors ]] )
Prints all the files returned by the iterator matching $regex.
If $one is set, stop after the first. The output record separator $ors defaults to "\n"
and defines, what to print after each filename.
print_files_with_matches( $iter, $opt )
Prints the name of the files where a match was found.
print_matches( $iter, $opt )
Print matching lines.
filetype_setup()
Minor housekeeping before we go matching files.
expand_filenames( \@ARGV )
Returns reference to list of expanded filename globs (Win32 only).
get_starting_points( \@ARGV, \%opt )
Returns reference to list of starting directories and files.
get_iterator
Return the File::Next file iterator
set_up_pager( $command )
COPYRIGHT & LICENSE
Copyright 2005-2008 Andy Lester, all rights reserved.
This program is free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
perl v5.8.8 2008-03-26 Ack(3pm)
Generated by $Id: phpMan.php,v 4.49 2006/02/26 13:18:18 chedong Exp $ Author: Che Dong
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Under GNU General Public License
2012-05-19 16:08 @38.107.179.236 Crawled by CCBot/1.0 (+http://www.commoncrawl.org/bot.html)