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UNIX for Dummies Questions & Answers
'Crop' date from filename into a variable
Post 302291870 by luna_soleil on Thursday 26th of February 2009 01:10:33 PM
02-26-2009
'Crop' date from filename into a variable
Hi all,
I have a scenario as below. I created a file -
$touch myfile.onlytesting.20090227.txt
I want to assign the date only - 20090227 into a variable x.
How do I do this in unix command?
Please help. Thanks
I have a scenario as below. I created a file -
$touch myfile.onlytesting.20090227.txt
I want to assign the date only - 20090227 into a variable x.
How do I do this in unix command?
Please help. Thanks
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LEARN ABOUT OPENSOLARIS
touch
touch(1B) SunOS/BSD Compatibility Package Commands touch(1B) NAME
touch - change file access and modification times SYNOPSIS
/usr/ucb/touch [-acfm] file... DESCRIPTION
touch sets the access and modification times of each file to the current time. file is created if it does not already exist. OPTIONS
-a Change the access time of file. Do not change the modification time unless -m is also specified. -c Do not create file if it does not exist. -f Attempt to force the touch in spite of read and write permissions on file. -m Change the modification time of file. Do not change the access time unless -a is also specified. USAGE
See largefile(5) for the description of the behavior of touch when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes). EXIT STATUS
The following exit values are returned: 0 touch executed successfully and all requested changes were made. >0 An error occurred. touch returns the number of files for which the times could not be successfully modified. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
touch(1), attributes(5), largefile(5) SunOS 5.11 26 Oct 1995 touch(1B)