{"id":165,"date":"2013-02-24T20:01:00","date_gmt":"2013-02-24T19:01:00","guid":{"rendered":"https:\/\/nikostotz.de\/blog\/?p=165"},"modified":"2013-02-24T20:01:00","modified_gmt":"2013-02-24T19:01:00","slug":"merge-text-files-with-ant","status":"publish","type":"post","link":"https:\/\/www.nikostotz.de\/blog\/merge-text-files-with-ant\/","title":{"rendered":"Merge Text Files with Ant"},"content":{"rendered":"

\nApache Ant<\/a> has lots of useful built-in tasks<\/a>. However, a task for merging text files is not among them. Fortunately, we can combine some built-in tasks to achieve this goal.\n<\/p>\n

\nBelow, you’ll find the macro along a simple demo:<\/p>\n

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<\/div><\/td>
<project<\/span> default<\/span>="merge-demo"<\/span>><\/span><\/span>
\n
\n<target<\/span> name<\/span>="merge-demo"<\/span>><\/span><\/span>
\n    <merge<\/span> tofile<\/span>="merged.txt"<\/span>><\/span><\/span>
\n        <sourcefiles><\/span><\/span><\/span>
\n            <fileset<\/span> dir<\/span>="inputfiles"<\/span>><\/span><\/fileset><\/span><\/span><\/span>
\n        <\/sourcefiles><\/span><\/span><\/span>
\n    <\/merge><\/span><\/span><\/span>
\n<\/target><\/span><\/span><\/span>
\n
\n    <!-- = = = = = = = = = = = = = = = = =<\/span>
\n      macrodef: merge          <\/span>
\n     = = = = = = = = = = = = = = = = = --><\/span>
\n    <macrodef<\/span> name<\/span>="merge"<\/span>><\/span><\/span>
\n        <attribute<\/span> name<\/span>="tofile"<\/span>><\/span><\/attribute><\/span><\/span><\/span>
\n        <element<\/span> name<\/span>="sourcefiles"<\/span>><\/span><\/element><\/span><\/span><\/span>
\n       
\n        <sequential><\/span><\/span><\/span>
\n            <tempfile<\/span> property<\/span>="temp.file"<\/span> prefix<\/span>="ant.merge."<\/span> deleteonexit<\/span>="true"<\/span>><\/span><\/tempfile><\/span><\/span><\/span>
\n           
\n            <concat<\/span> destfile<\/span>="${temp.file}"<\/span> fixlastline<\/span>="true"<\/span>><\/span><\/span>
\n                <sourcefiles><\/span><\/span><\/sourcefiles><\/span><\/span><\/span>
\n            <\/concat><\/span><\/span><\/span>
\n           
\n            <copy<\/span> file<\/span>="${temp.file}"<\/span> tofile<\/span>="@{tofile}"<\/span>><\/span><\/span>
\n                <filterchain><\/span><\/span><\/span>
\n                    <tokenfilter><\/span><\/span><\/span>
\n                        <linetokenizer><\/span><\/span><\/linetokenizer><\/span><\/span><\/span>
\n                    <\/tokenfilter><\/span><\/span><\/span>
\n                    <sortfilter><\/span><\/span><\/sortfilter><\/span><\/span><\/span>
\n                    <uniqfilter><\/span><\/span><\/uniqfilter><\/span><\/span><\/span>
\n                <\/filterchain><\/span><\/span><\/span>
\n            <\/copy><\/span><\/span><\/span>
\n        <\/sequential><\/span><\/span><\/span>
\n    <\/macrodef><\/span><\/span><\/span>
\n<\/project><\/span><\/span><\/span><\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<\/p>\n

Remarks and Caveats<\/h2>\n