* List symbols from a dynamic library (.so file)
  >> nm --dynamic <libfile.so>
 
  * Switch to the previous branch used in git(1)
  >> git checkout -
 
  * Use Linux coding style in C program
  >> indent -linux helloworld.c
 
  * Show log message including which files changed for a given commit
  >> git --no-pager whatchanged -1 --pretty=medium <commit_hash>
 
  * c_rehash replacement
  >> for file in *.pem; do ln -s $file `openssl x509 -hash -noout -in $file`.0; done
 
  * SVN Status log to CSV
  >> svn log | tr -d '\n' | sed -r 's/-{2,}/\n/g' | sed -r 's/
 
  * Find chronological errors or bad timestamps in a Subversion
  >> URL=http://svn.example.org/project; diff -u <(TZ=UTC svn -q log -r1:HEAD $URL | grep \|) <(TZ=UTC svn log -q $URL | grep \| | sort -k3 -t \|)
 
  * Find which jars contain a class
  >> find . -name "*.jar" | while read file; do echo "Processing ${file}"; jar -tvf $file | grep "Foo.class"; done
 
  * Redirect a filehandle from a currently running process.
  >> yes 'Y'|gdb -ex 'p close(1)' -ex 'p creat("/tmp/output.txt",0600)' -ex 'q' -p pid
 
  * Display GCC Predefined Macros
  >> gcc -dM -E - < /dev/null
 
  * archive all files containing local changes (svn)
  >> svn st | cut -c 8- | sed 's/^/\"/;s/$/\"/' | xargs tar -czvf ../backup.tgz

  * Remove all subversion files from a project recursively
  >> rm -rf `find . -type d -name .svn`


  * add all files not under version control to repository
  >> svn status |grep '\?' |awk '{print $2}'| xargs svn add


  * Watch a the local directory for changes and auto-commit every
  >> while TRUE; do git add *; git commit -a -m 'auto commit'; sleep 60; done


  * Make sure your compiler is using ccache
  >> watch ccache -s


  * Commit all the changes in your java code
  >> svn st | grep /main/java | awk '{print $2}' | xargs echo | xargs svn ci -m "my comment here"


  * revert one or more changesets in svn
  >> svn merge -r 1337:1336 PATH PATH


  * search user defined function in c language
  >> cflow file.c | grep ':$' | sed 's/ <.*//'


  * Add SVN keywords property to all PHP and Javascript files
  >> find . \( -name "*.php" -o -name "*.js" \) -exec svn propset svn:keywords Id {} \;