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POSplit strings at the first colon
 

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    <p>I am reading data files in text format using <code>readLines</code>. The first 'column' is complicated text that I do not need. The next columns contain data that I do need. The first 'column' and the data are separated by a colon (:). I wish to split each row at the first colon and delete the resulting text string, keeping only the data. </p> <p>Below is an example data file. One potential complication is that one line of data contains multiple colons. That line may at some point become my header. So, I probably should not split at every colon, just at the first colon.</p> <pre><code>my.data &lt;- "first string of text..: aa : bb : cc next string ........ : 2 0 2 third string......1990: 7 6 5 last string : 4 2 3" my.data2 &lt;- readLines(textConnection(my.data)) my.data2 </code></pre> <p>I have tried code presented here:</p> <p><a href="https://stackoverflow.com/questions/10309122/split-on-first-comma-in-string">Split on first comma in string</a></p> <p>and here:</p> <p><a href="https://stackoverflow.com/questions/11127010/r-removing-the-last-three-dots-from-a-string">R: removing the last three dots from a string</a></p> <p>Code at the first link above seems to split only at the first colon of the first row. Code at the second link will probably do what I want, but is too complex for me to modify it successfully so far.</p> <p>Here are the data I hope to obtain, at which point I can simply replace the remaining colons in the first row with empty spaces using a very simple <code>gsub</code> statement:</p> <pre><code> aa : bb : cc 2 0 2 7 6 5 4 2 3 </code></pre> <p>Sorry if this is a duplicate of a post I have not located and thank you for any advice or assistance.</p>
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