lynx --width=200 --dump 'http://quake.usgs.gov/recenteqs/Maps/San_Francisco_eqs.htm' | sed -ne '/MAG.*/,/^References/{;s/\[[0-9][0-9]*\]//;1,/h:m:s/d;/Back to map/,$d;/^$/d;/^[ \t][ \t]*[3-9]\.[0-9][0-9]*[ \t][ \t]*/p; }' | sort -k1nr To see only earthquakes for today, add another pipe to egrep "`date '+%Y/%m/%d'`" ..
You can list all the authors of a particular git project using any one of the below two command's. # git log --format='%aN' | sort -u This should work even if the output format changes. You can also use the below command # git shortlog -s | cut -c8- List everyone who committed ..
WARNING!! This command can produce to crash the unix system where you execute it. What this command do is to generate a lot of threads (so in practice => process) until the system is overloaded, and to recover it, it is needed a reboot of the machine. # echo && ..
Linux command to convert hexadecimal to decimal numbers. # printf "%d\n" \0x64 Linux command to convert hexadecimal to decimal numbers. ..
To change directory in a shell script use "cd" command. echo "Enter the directory name:" read dirname cd $dirname Enter the absolute path to change the directory. ..
To read the user input you have to use the keyword "read" without quotes. echo "What is your name:" read name echo "Welcome $name" Copy the above shell script and place it in a file called myshell.sh [w3cal@localhost]# sh myshell.sh Enter file name: Jack welcome Jack The ..
The below bash script will help you to kill all the mysql locked connection of a specific user. for i in `mysqladmin -h x.x.x.x --user=root -pXXXX processlist | grep <username>| grep <Locked>| awk {'print $2'}` do mysqladmin -h x.x.x.x --user=root -pXXX kill $i; done; substitute the username and process accordingly. ..
The unix command used to change a directory is "cd" command. This is a simple bash script to change the directory. echo "Enter the directory name:" read fname cd $fname Above command will change the current working directory to the given directory name. ..
Shell script can be commented by using #. Adding the # symbol at the beginning of the line will comment the entire line. # this will comment a single line To comment multiple lines use #!/bin/bash echo "Say From your heart" #Never Lie <<COMMENT1 ..