templating

Anyone knows how to concatenate strings in twig? I want to do something like: {{ concat('http://', app.request.host) }} Alessandro Desantis This should work fine: {{ 'http://' ~ app.request.host }} To add a filter - like 'trans' - in the same tag use {{ ('http://' ~ app.request.host) | trans }} As Adam Elsodaney points out , you can also use string interpolation , this does require double quoted strings: {{ "http://#{app.request.host}" }} Also a little known feature in Twig is string interpolation : {{ "http://#{app.request.host}" }} The operator you are looking for is Tilde (~), like

I want to pipe the output of a "template" file into MySQL, the file having variables like ${dbName} interspersed. What is the command line utility to replace these instances and dump the output to standard output? user Sed ! Given template.txt: The number is ${i} The word is ${word} we just have to say: sed -e "s/\${i}/1/" -e "s/\${word}/dog/" template.txt Thanks to Jonathan Leffler for the tip to pass multiple -e arguments to the same sed invocation. plockc Update Here is a solution from yottatsa on a similar question that only does replacement for variables like $VAR or ${VAR}, and is a

I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig. I have some templates of Apache and PHP configuration files. Bash script needs to read templates, make variable substitution and output parsed templates into some folder. What is the best way to do that? I can think of several ways. Which one is the best or may be there are some better ways to do that? I want to do that in pure Bash (it's easy in PHP for example) 1) How to replace ${} placeholders in a text file? template.txt: the number

If I look at the Razor View Engine, then I see a very nice and concise syntax that is not particularly tied to generating html. So I wonder, how easy would it be to use the engine outside asp.net in a "normal" .net environment for example to generate text, code,... Any pointer, example, comment or explanation is welcome. marcind There are two issues here: Yes, you can run the Razor View Engine outside of the context of an ASP.NET app domain, as explained in Andrew's blog: http://vibrantcode.com/blog/2010/11/16/hosting-razor-outside-of-aspnet-revised-for-mvc3-rc.html However, Razor is still

I have made a lot of progress in converting my JSF applications to book-markable pages, but I am wondering if I am doing it the right way. One question is that is there a best-practice location for the f:metadata tags? My typical Facelets client page looks like this: <ui:composition template="./pattern.xhtml"> <ui:define name="content"> <f:metadata> <f:viewParam name="userId" value="#{bean.userId}" /> <f:viewParam name="startRecord" value="#{bean.startRecord}" /> <f:viewParam name="pageSize" value="#{bean.pageSize}" /> <f:viewParam name="sort" value="#{bean.sort}" /> </f:metadata> <h1>Data