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Full Discussion: Removal of file extension question
Top Forums Shell Programming and Scripting Removal of file extension question Post 302506952 by markdjones82 on Tuesday 22nd of March 2011 10:49:27 AM
Old 03-22-2011
Removal of file extension question
All,
I know that this will remove a file extension from a file name, but reading on the documentation on how it works confuses me.
Code:
${filename%.*}

Can anyone explain what exactly is going on here? Filename is the pattern and % says to cut anything that starts with .?

Also, can I run this command and then insert a timestamp in between the filename and the extension? I am hoping to do something like mv $filename ${filename%.*}`date`.txt. Can this be done without a for loop for each file with the exec command?
Code:
find $DESTLOC -maxdepth 1 -type f -exec mv -f {} $ARCHLOC/

Last edited by markdjones82; 03-22-2011 at 12:22 PM..
 

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LEARN ABOUT DEBIAN

chicken-install

CHICKEN-INSTALL(1)					      General Commands Manual						CHICKEN-INSTALL(1)

NAME

       chicken-install - download and install extension libraries for Chicken Scheme

SYNOPSIS

       chicken-install [OPTION | EXTENSION[:VERSION]] ...

DESCRIPTION

       chicken-install	is  a  program that downloads, compiles and installs a prepackaged extension library from sources. If no extension name is
       given on the command-line, then any existing setup scripts in the current directory will be executed in some unspecified order.

OPTIONS

       Enter chicken-install -help for a list of supported command-line options.

ENVIRONMENT VARIABLES

       CHICKEN_PREFIX
	      The installation prefix where CHICKEN Scheme and its support files and libraries are located. Defaults to the installation time pre-
	      fix given when configuring the system.

       CHICKEN_INSTALL_PREFIX
	      An alternative installation prefix that will be prepended to extension installation paths if specified.

       CHICKEN_REPOSITORY
	      The  path  where	extension  libraries  are  installed.  Defaults to the package-library path selected during configuration (usually
	      /var/lib/chicken/<binary-version> )

DOCUMENTATION

       More information can be found in the Chicken User's Manual

BUGS

       Submit bug reports by e-mail to chicken-janitors@nongnu.org , preferrably using the chicken-bug tool.

AUTHORS

       The CHICKEN Team

SEE ALSO

       chicken-uninstall(1) chicken-status(1) chicken(1) csc(1) chicken-bug(1)

								    13 Aug 2008 						CHICKEN-INSTALL(1)
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