linux command line arguments

"Copyright Notice: respect for the original, reproduced please retain the source: blog.csdn.net/shallnet, the article only for learning Exchange, do not use for commercial purposes"In a high-level language, a program often takes one or more

Sometimes we need to write some scripts to handle some tasks, it is often necessary to provide some command line parameters, according to different parameters for different processing, in Python, command line parameters and C language very similar

(i) Main function callThe main function acts as the entry function when the program is run, how is it called? The first thing to be clear is that the main function is also a function that can only be executed if it is called. In fact, when executing

mysql command-line arguments ---These parameters differ from those parameters after mysqldump : 2 Types of parameters have different meaningsOne, MySQL command line parameters usage:mysql [OPTIONS] [Database]//Command mode-?,--Help//Display Help

Reprint: http://blog.csdn.net/hcx25909/article/details/7388750Every day you are using a lot of command-line programs, is not it feel that the command line parameters used more convenient, they are using getopt to achieve.Using getopt to write

One, MySQL command line argumentsUsage:mysql [OPTIONS] [Database]//Command mode-?,--help//Display assistance information and exit-I,--HELP//Display Help information and exit--auto-rehash//Auto-complete function, like Linux inside, press the TAB key

One, MySQL command line argumentsUsage:mysql [OPTIONS][Database]Command mode-?,--help//Display assistance information and exit-I,--HELP//Display Help information and exit--auto-rehash//Auto-complete function, like Linux inside, press the TAB key out

1. Source of demandSometimes we need to write some scripts to deal with some tasks, may enter different commands according to different conditions, to accomplish different tasks. Can you do the same thing as the Linux operating system, looking a

command-line editing:Cursor Jump:CTRL + A: Skip to the beginning of the commandCtrl+e: Jump to the end of the command lineCtrl+u: Delete the cursor to the beginning of the command lineCTRL+K: Delete the cursor to the end of the command lineCtrl+l:

MySQL command line argumentsUsage:mysql [OPTIONS] [Database] //Command modeFor example:Mysql-h${hostname}-p${port}-u${username}-p${password}-D ${dbname}- e "${create_table_sql}"-?,--help//Display assistance information and exit-I,--HELP//Display