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crosson_16669's avatar
crosson_16669
Icon for Nimbostratus rankNimbostratus
Jan 08, 2013

Read the contents of a file as a string

Since tcl [open filename] is a disabled command how do I read the contents of a stored file as a string?     I need to store several scripts and run eval against them. It makes more sense to ...
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hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Jan 08, 2013
If you're on 11.x, like Nitass showed, iFiles would be a simple solution for this. Else, you could URI encode the script, add it to a datagroup (external or internal) and then retrieve the content using the class command and decode it using URI::decode.

 

 

That said, if you are eval'ing raw content, make sure you sanitize the input. Else, you'll cause a runtime TCL error and close the client connection or worse, potentially crash TMM.

 

 

iFiles wiki page

 

https://devcentral.f5.com/wiki/iRules.ifile.ashx

 

 

Class command wiki page

 

https://devcentral.f5.com/wiki/iRules.class.ashx

 

 

v10 data group formats

 

https://devcentral.f5.com/Tutorials/TechTips/tabid/63/articleType/ArticleView/articleId/1086448/iRules-Data-Group-Formatting-Rules.aspx

 

 

v11 data group formats

 

https://devcentral.f5.com/Tutorials/TechTips/tabid/63/articleType/ArticleView/articleId/1086510/v11-iRules-Data-Group-Updates.aspx

 

 

Aaron