unix script to check if file exists

Learn CGI scripts (scripts)CGI meaning is Common Gateway Interface, a browser-based input, a program method that runs on a Web server. CGI scripts enable your browser to interact with the user, to find a noun in a database, to provide comments you

UNIX awk User Manual (version 2) Chi zhonglong Author's words: The UNIX awk User Manual was my work a few months ago. Looking back, this article is really rough, because I was too busy writing and uploading this work, without a good check on the

Remember: the operations on the affected system may change the existing evidence or lead to the loss of sensitive information! {Initial response }} Objective: To obtain the loss-prone data in the system before judicial authentication and replication,

Deploy IBM_DB2 on dozens, hundreds, or thousands of clients and servers based on UNIX and Linux platforms, including IBMDB2UniversalDatabase ( Deploy IBM _ DB2 products on dozens, hundreds, or thousands of clients and servers based on UNIX and Linux

Shell script programming and file system RepairGuideThe Linux Foundation has initiated the LFCS certification (Linux Foundation Certification System Administrator) Linux Foundation Certified Sysadmin, which is a brand new certification system, the

Deploy the IBMDB2 product-Linux Enterprise Application-Linux server application on UNIX and Linux platforms. For details, refer to the following section. Deploy IBM _ DB2 products on dozens, hundreds, or thousands of clients and servers based on

Level: Intermediate By Michael Stutz From: IBM developerworks China Link: http://www.ibm.com/developerworks/cn/aix/library/au-badunixhabits.html When you often use a system, it is often in a fixed usage mode. Sometimes, you do not get into the

Oracle|unix|window Ian Adam, SAIC Ltd David Stien,saic LTD Translation: Fenng Partii Database Startup and shutdown The database can be opened on Windows 2000 by starting the associated service. Through the service options of the Control Panel

Turn from: The world of the Intelligence ReporterThis article combines a number of examples to illustrate how to write a shell script.Why Shell ProgrammingIn Linux systems, although there are a variety of graphical interface tools, sell is still a

There are many different shell scripts in Linux, but we usually use bash (bourneagainshell) for shell programming, because bash is free and easy to use. Therefore, in this article, all the scripts provided by the author use bash (but in most cases,