1Term::Table(3) User Contributed Perl Documentation Term::Table(3)
2
6 Term::Table - Format a header and rows into a table
7
9 This is used by some failing tests to provide diagnostics about what
10 has gone wrong. This module is able to generic format rows of data into
11 tables.
12
14 use Term::Table;
15 my $table = Term::Table->new(
17 max_width => 80, # defaults to terminal size
18 pad => 4, # Extra padding between table and max-width (defaults to 4)
19 allow_overflow => 0, # default is 0, when off an exception will be thrown if the table is too big
20 collapse => 1, # do not show empty columns
21 header => ['name', 'age', 'hair color'],
23 rows => [
24 ['Fred Flinstone', 2000000, 'black'],
25 ['Wilma Flinstone', 1999995, 'red'],
26 ...
27 ],
28 );
29 say $_ for $table->render;
31 This prints a table like this:
33 +-----------------+---------+------------+
35 | name | age | hair color |
36 +-----------------+---------+------------+
37 | Fred Flinstone | 2000000 | black |
38 | Wilma Flinstone | 1999995 | red |
39 | ... | ... | ... |
40 +-----------------+---------+------------+
41
43 use Term::Table;
44 my $table = Term::Table->new(...);
45 OPTIONS
47 header => [ ... ]
48 If you want a header specify it here. This takes an arrayref with
49 each columns heading.
50 rows => [ [...], [...], ... ]
52 This should be an arrayref containing an arrayref per row.
53 collapse => $bool
55 Use this if you want to hide empty columns, that is any column that
56 has no data in any row. Having a header for the column will not
57 effect collapse.
58 max_width => $num
60 Set the maximum width of the table, the table may not be this big,
61 but it will be no bigger. If none is specified it will attempt to
62 find the width of your terminal and use that, otherwise it falls
63 back to the terminal width or 80.
64 pad => $num
66 Defaults to 4, extra padding for row width calculations. Default is
67 for legacy support. Set this to 0 to turn padding off.
68 allow_overflow => $bool
70 Defaults to 0. If this is off then an exception will be thrown if
71 the table cannot be made to fit inside the max-width. If this is
72 set to 1 then the table will be rendered anyway, larger than max-
73 width, if it is not possible to stay within the max-width. In other
74 words this turns max-width from a hard-limit to a soft
75 recommendation.
76 sanitize => $bool
78 This will sanitize all the data in the table such that newlines,
79 control characters, and all whitespace except for ASCII 20 ' ' are
80 replaced with escape sequences. This prevents newlines, tabs, and
81 similar whitespace from disrupting the table.
82 Note: newlines are marked as '\n', but a newline is also inserted
84 into the data so that it typically displays in a way that is useful
85 to humans.
86 Example:
88 my $field = "foo\nbar\nbaz\n";
90 print join "\n" => table(
92 sanitize => 1,
93 rows => [
94 [$field, 'col2' ],
95 ['row2 col1', 'row2 col2']
96 ]
97 );
98 Prints:
100 +-----------------+-----------+
102 | foo\n | col2 |
103 | bar\n | |
104 | baz\n | |
105 | | |
106 | row2 col1 | row2 col2 |
107 +-----------------+-----------+
108 So it marks the newlines by inserting the escape sequence, but it
110 also shows the data across as many lines as it would normally
111 display.
112 mark_tail => $bool
114 This will replace the last whitespace character of any trailing
115 whitespace with its escape sequence. This makes it easier to notice
116 trailing whitespace when comparing values.
117 show_header => $bool
119 Set this to false to hide the header. This defaults to true if the
120 header is set, false if no header is provided.
121 auto_columns => $bool
123 Set this to true to automatically add columns that are not named in
124 the header. This defaults to false if a header is provided, and
125 defaults to true when there is no header.
126 no_collapse => [ $col_num_a, $col_num_b, ... ]
128 no_collapse => [ $col_name_a, $col_name_b, ... ]
129 no_collapse => { $col_num_a => 1, $col_num_b => 1, ... }
130 no_collapse => { $col_name_a => 1, $col_name_b => 1, ... }
131 Specify (by number and/or name) columns that should not be removed
132 when empty. The 'name' form only works when a header is specified.
133 There is currently no protection to insure that names you specify
134 are actually in the header, invalid names are ignored, patches to
135 fix this will be happily accepted.
136
138 Some unicode characters, such as "婧" ("U+5A67") are wider than others.
139 These will render just fine if you "use utf8;" as necessary, and
140 Unicode::GCString is installed, however if the module is not installed
141 there will be anomalies in the table:
142 +-----+-----+---+
144 | a | b | c |
145 +-----+-----+---+
146 | 婧 | x | y |
147 | x | y | z |
148 | x | 婧 | z |
149 +-----+-----+---+
150
152 The source code repository for Term-Table can be found at
153 http://github.com/exodist/Term-Table/.
154
156 Chad Granum <exodist@cpan.org>
157
159 Chad Granum <exodist@cpan.org>
160
162 Copyright 2016 Chad Granum <exodist@cpan.org>.
163 This program is free software; you can redistribute it and/or modify it
165 under the same terms as Perl itself.
166 See http://dev.perl.org/licenses/
168perl v5.32.0 2020-07-28 Term::Table(3)