Tuesday, October 23, 2012

Simple Scripts for replacing html tags

I recently had to upgrade a tag library we were using. However the latest version had refactored out some of the tags into a separate tag library. I needed to do two things:

1) Add a reference to the new tag library on each page that had previously been using the base library
2) Change the tags using the old library to update to use the new prefix

#Add a new line (using a\ option) to the files containing reference to struts-jquery-tags

find . -type f \( -iname "*.tag" -or -iname "*.jsp" \) -print -exec sed -i '/struts-jquery-tags\"\s%>/ a\
<%@ taglib prefix=\"sjg\" uri=\"\/struts-jquery-grid-tags\" %>' {} \;

#Find and replace references to the old sj:grid to use the new :sjg:grid
find . -type f \( -iname "*.tag" -or -iname "*.jsp" \) -print -exec sed -i 's/sj:grid/sjg:grid/g' {} \;

#Finally strip out some redundant information from header tags
find . -type f \( -iname "*.tag" -or -iname "*.jsp" \) -print -exec sed -i 's/head\suseJqGridPlugin=\"true\"/head/g' {} \;

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