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Shell Programming and Scripting
Check if file exists or not
Post 302889715 by wisecracker on Sunday 23rd of February 2014 12:06:16 PM
02-23-2014
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#Testing for file existence
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LEARN ABOUT ULTRIX
resize
resize(1X) MIT X11R4 resize(1X) Name resize - utility to set TERMCAP and terminal settings to current window size Syntax resize [-u] [-s [row col]] Description The uitility prints a shell command for setting the TERM and TERMCAP environment variables to indicate the current size of xterm window from which the command is run. For this output to take effect, resize must either be evaluated as part of the command line (usually done with a shell alias or function) or else redirected to a file which can then be read in. From the C shell (usually known as /bin/csh), the following alias could be defined in the user's .cshrc: % alias rs 'set noglob; `eval resize`' After resizing the window, the user would type: % rs Users of versions of the Bourne shell (usually known as /bin/sh) that do not have command functions will need to send the output to a tem- porary file and the read it back in with the ``.'' command: $ resize >/tmp/out $ . /tmp/out Options The following options may be used with resize: -u This option indicates that Bourne shell commands should be generated even if the user's current shell is not /bin/sh. -c This option indicates that C shell commands should be generated even if the user's current shell is not /bin/csh. -s [rows columns] This option indicates that the Sun console escape sequences will be used instead of the special xterm escape code. If rows and col- umns are given, resize will ask the xterm to resize itself. However, the window manager may choose to disallow the change. Restrictions The -u or -c must appear to the left of -s if both are specified. There should be some global notion of display size; termcap and terminfo need to be rethought in the context of window systems. (Fixed in 4.3BSD, and ULTRIX-32 1.2) Files For the base termcap entry to modify. User's alias for the command. See Also csh(1), tset(1), xterm(1X) resize(1X)