file_line match with spaces

[Helen Paterson]

Hi,

I cannot get the regex to work in puppet for "file_line" it work in a regex tool

 file_line { "applicationHost.config":

            ensure  =>  'present',

            path    =>  'c:/windows/sysnative/inetsrv/config/applicationHost.config',

            match   =>  '\s{1,12}<add name="Public" .*',

            line    =>  '<add name="Public" autoStart="true" startMode="AlwaysRunning" managedRuntimeVersion="v4.0">',

            

however below works if i remove spaces from the file for testing

 file_line { "applicationHost.config":

            ensure  =>  'present',

            path    =>  'c:/windows/sysnative/inetsrv/config/applicationHost.config',

            match   =>  '<add name="Public" .*',

            line    =>  '<add name="Public" autoStart="true" startMode="AlwaysRunning" managedRuntimeVersion="v4.0">',

            

the file has 12 spaces in front of the text.

[Christopher Wood]

On Tue, Aug 19, 2014 at 08:01:40AM -0700, Helen Paterson wrote:
> Hi,
> I cannot get the regex to work in puppet for "file_line" it work in a
> regex tool
>  file_line { "applicationHost.config":
>             ensure  =>  'present',
>             path    =>
>  'c:/windows/sysnative/inetsrv/config/applicationHost.config',
>             match   =>  '\s{1,12}<add name="Public" .*',
>             line    =>  '<add name="Public" autoStart="true"
> startMode="AlwaysRunning" managedRuntimeVersion="v4.0">',

Your line here doesn't include spaces at the start of the line. Your regex wants minimum 1 and maximum 12 spaces to match. The regex will never find the line after replacing it once, if I read this correctly.

> however below works if i remove spaces from the file for testing
>  file_line { "applicationHost.config":
>             ensure  =>  'present',
>             path    =>
>  'c:/windows/sysnative/inetsrv/config/applicationHost.config',
>             match   =>  '<add name="Public" .*',
>             line    =>  '<add name="Public" autoStart="true"
> startMode="AlwaysRunning" managedRuntimeVersion="v4.0">',
>             
> the file has 12 spaces in front of the text.

If you're able to manage a single line with this string in a file with no other lines, that may help show what's going on?

This may assist with regexes in puppet:

https://docs.puppetlabs.com/puppet/latest/reference/lang_datatypes.html#regular-expressions

And this manifest:

if ' ' =~ /\s/ {
notice('matches #1!')
}

if ' ' =~ /\s{1,12}/ {
notice('matches #2!')
}

if '<' =~ /\s{1,12}/ {
notice('matches #3!')
}

For me it only prints about the match for 1 and 2, not 3.

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