Table of Contents
lastnode
Table of Contents
Prototype: lastnode(string, separator)
Return type: string
Description: Returns the part of string
after the last separator
.
This function returns the final node in a chain, given a regular expression to split on. This is mainly useful for finding leaf-names of files, from a fully qualified path name.
Arguments:
Example:
body common control
{
bundlesequence => { "yes" };
}
bundle agent yes
{
vars:
"path1" string => "/one/two/last1";
"path2" string => "one:two:last2";
"path4" string => "/one/two/";
"last1" string => lastnode("$(path1)","/");
"last2" string => lastnode("$(path2)",":");
"last3" string => lastnode("$(path2)","/");
"last4" string => lastnode("$(path4)","/");
reports:
"Last / node in / path '$(path1)' = '$(last1)'";
"Last : node in : path '$(path2)' = '$(last2)'";
"Last / node in : path '$(path2)' = '$(last3)'";
"Last / node in /-terminated path '$(path4)' = '$(last4)'";
}
Output:
R: Last / node in / path '/one/two/last1' = 'last1'
R: Last : node in : path 'one:two:last2' = 'last2'
R: Last / node in : path 'one:two:last2' = 'one:two:last2'
R: Last / node in /-terminated path '/one/two/' = ''
See also: filestat()
, dirname()
,
splitstring()
.