Bash examples

examples.sh

#!/bin/sh

# Execute for every subdir
for dir in ~/projects/git/*
do
  (cd $dir && git pull)
done

Find text
find / -type f -exec grep -H 'text-to-find-here' {} \;

# recurse delete all .svn
find . -name .svn -print0 | xargs -0 rm -rf

# tar only hidden directories
find -regex './\..*' | tar cvf ./test.tar -T - 

# crontab - lock xfce screen hourly
50 9-22 * * *   root    /usr/bin/xflock4

# tar directory
tar -zcvf prog-1-jan-2005.tar.gz /home/jerry/prog (gz)
tar -jcvf prog-1-jan-2005.tar.gz /home/jerry/prog (bz2)

# untar file
tar -zxvf yourfile.tar.gz

# find text in file
find . -type f -exec grep -H 'text-to-find-here' {} \;

# find several extensions
????

# Every directory size in root
find . -maxdepth 1 -type d \( ! -name . \) -exec bash -c "du -h -d 0 '{}'" \;

# Search files by text
grep -lr 'строка' /путь

# Install deb-package
sudo dpkg -i package.deb

# Create DVD image
dd if=/dev/cdrom of=/tmp/cdimg1.iso

# Burn DVD image: 
growisofs -Z /dev/cdrom=/home/ycherkasov/images/ubuntu.img

# Catalog size
du -ks