diff options
Diffstat (limited to 'lib/puppet/parser/functions')
| -rw-r--r-- | lib/puppet/parser/functions/regsubst.rb | 21 | ||||
| -rw-r--r-- | lib/puppet/parser/functions/split.rb | 14 |
2 files changed, 14 insertions, 21 deletions
diff --git a/lib/puppet/parser/functions/regsubst.rb b/lib/puppet/parser/functions/regsubst.rb index f655db7b3..b6bb5afcf 100644 --- a/lib/puppet/parser/functions/regsubst.rb +++ b/lib/puppet/parser/functions/regsubst.rb @@ -4,25 +4,18 @@ module Puppet::Parser::Functions :regsubst, :type => :rvalue, :doc => " - Perform regexp replacement on a string or array of strings. +Perform regexp replacement on a string or array of strings. * *Parameters* (in order): - - _target_ The string or array of strings to operate on. If an array, the replacement will be performed on each of the elements in the array, and the return value will be an array. - - _regexp_ The regular expression matching the target string. If you want it anchored at the start and or end of the string, you must do that with ^ and $ yourself. - - _replacement_ Replacement string. Can contain back references to what was matched using \\0, \\1, and so on. - - _flags_ Optional. String of single letter flags for how the regexp is interpreted: - + * _target_ The string or array of strings to operate on. If an array, the replacement will be performed on each of the elements in the array, and the return value will be an array. + * _regexp_ The regular expression matching the target string. If you want it anchored at the start and or end of the string, you must do that with ^ and $ yourself. + * _replacement_ Replacement string. Can contain backreferences to what was matched using \\0 (whole match), \\1 (first set of parentheses), and so on. + * _flags_ Optional. String of single letter flags for how the regexp is interpreted: - *E* Extended regexps - *I* Ignore case in regexps - *M* Multiline regexps - *G* Global replacement; all occurrences of the regexp in each target string will be replaced. Without this, only the first occurrence will be replaced. - - _lang_ Optional. How to handle multibyte characters. A single-character string with the following values: - + * _encoding_ Optional. How to handle multibyte characters. A single-character string with the following values: - *N* None - *E* EUC - *S* SJIS @@ -32,7 +25,7 @@ module Puppet::Parser::Functions Get the third octet from the node's IP address: - $i3 = regsubst($ipaddress,'^([0-9]+)[.]([0-9]+)[.]([0-9]+)[.]([0-9]+)$','\\3') + $i3 = regsubst($ipaddress,'^(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)$','\\3') Put angle brackets around each octet in the node's IP address: diff --git a/lib/puppet/parser/functions/split.rb b/lib/puppet/parser/functions/split.rb index 52394095a..ad027865b 100644 --- a/lib/puppet/parser/functions/split.rb +++ b/lib/puppet/parser/functions/split.rb @@ -6,21 +6,21 @@ module Puppet::Parser::Functions :doc => "\ Split a string variable into an array using the specified split regexp. - Usage: +*Example:* $string = 'v1.v2:v3.v4' $array_var1 = split($string, ':') $array_var2 = split($string, '[.]') $array_var3 = split($string, '[.:]') -$array_var1 now holds the result ['v1.v2', 'v3.v4'], -while $array_var2 holds ['v1', 'v2:v3', 'v4'], and -$array_var3 holds ['v1', 'v2', 'v3', 'v4']. +`$array_var1` now holds the result `['v1.v2', 'v3.v4']`, +while `$array_var2` holds `['v1', 'v2:v3', 'v4']`, and +`$array_var3` holds `['v1', 'v2', 'v3', 'v4']`. -Note that in the second example, we split on a string that contains -a regexp meta-character (.), and that needs protection. A simple +Note that in the second example, we split on a literal string that contains +a regexp meta-character (.), which must be escaped. A simple way to do that for a single character is to enclose it in square -brackets.") do |args| +brackets; a backslash will also escape a single character.") do |args| raise Puppet::ParseError, ("split(): wrong number of arguments (#{args.length}; must be 2)") if args.length != 2 |