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Basic Usagesvn status can display much more information about the files and directories in your workingcopy than we've shown here—for an exhaustive description of svn status and its output,see svn status.Examine the details of your local modificationsAnother way to examine your changes is with the svn diff command. You can find out exactlyhow you've modified things by running svn diff with no arguments, which prints outfile changes in unified diff format:$ svn diffIndex: bar.c===================================================================--- bar.c (revision 3)+++ bar.c (working copy)@@ -1,7 +1,12 @@+#include +#include +#include ++#include int main(void) {- printf("Sixty-four slices of American Cheese...\n");+ printf("Sixty-five slices of American Cheese...\n");return 0;}Index: README===================================================================--- README (revision 3)+++ README (working copy)@@ -193,3 +193,4 @@+Note to self: pick up laundry.Index: stuff/fish.c===================================================================--- stuff/fish.c (revision 1)+++ stuff/fish.c (working copy)-Welcome to the file known as 'fish'.-Information on fish will be here soon.Index: stuff/things/bloo.h===================================================================--- stuff/things/bloo.h (revision 8)+++ stuff/things/bloo.h (working copy)+Here is a new file to describe+things about bloo.The svn diff command produces this output by comparing your working files against thecached “pristine” copies within the .svn area. Files scheduled for addition are displayed asall added text, and files scheduled for deletion are displayed as all deleted text.Output is displayed in unified diff format. That is, removed lines are prefaced with -, andadded lines are prefaced with +. svn diff also prints filename and offset information usefulto the patch program, so you can generate “patches” by redirecting the diff output to a file:$ svn diff > patchfileYou could, for example, email the patch file to another developer for review or testing priorto a commit.25