count number of times a string appears in a text file using script

Question

I need to write a .bat or .cmd script that will find all instances of file type .log in the directory it is run from, and for each of those search it for "searchstring", counting how many times it appears. Then I need to rename the file (original name: "[name].log") to "name.log". This is to enable me to get a very quick visual count of the number of errors in a file (which is part of what the log contains).

I've already got the for loop that locates all *.log files, but how do I count instances of a particular string?

Your rename requirement doesn't make any sense. Did you mean something like "[name].log" becomes "[name]_[count].log" ? — dbenham
– dbenham, Commented Aug 2, 2013 at 20:28

Endoro · Accepted Answer · 2013-08-02 09:57:29Z

1

try this:

for /f "tokens=2delims=:" %a in ('find /c "string" *.log') do @set /a count+=%a
echo %count%

Code is for shell prompt. For shell file replace %a with %%a.

answered Aug 2, 2013 at 9:57

Endoro

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