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Full Discussion: Finding the part of a filename
Top Forums Shell Programming and Scripting Finding the part of a filename Post 303002259 by csanyipal on Monday 21st of August 2017 07:48:05 AM
Old 08-21-2017
Finding the part of a filename
Hi,

I am writing an ebuild for Gentoo Linux operating system.

Writing an ebuild is about Bash scripting where I am a newbie.

So, my ebuild must find a part of a specific filename.
Such a filaname my look like this:
Code:
libvclient_release_x64.so.740

and I must to find the number at the and of filename, which is in this case 740.

This number will change with time ( eg. it was a few days ago 734 ) so my ebuild must find it to works properly.

If I can to find this part of filename, then I can to store it into a variable which can then use further in the ebuild script.

The file path is known for my ebuild script but the filename can change, but only that number at the end of filename.

How can I find that part of the filename?

Best, Pál
Last edited by csanyipal; 08-21-2017 at 09:06 AM..
 

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LEARN ABOUT OPENSOLARIS

script

script(1)							   User Commands							 script(1)

NAME

       script - make record of a terminal session

SYNOPSIS

       script [-a] [filename]

DESCRIPTION

       The  script  utility  makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
       record is saved in the file typescript. See WARNINGS.

       The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
       when the forked shell exits or when Control-d is typed.

OPTIONS

       The following option is supported:

       -a    Appends the session record to filename, rather than overwriting it.

NOTES

       script places everything that appears on the screen in filename, including prompts.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

WARNINGS

       script  can  pose  a  security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
       privileged user, that is, root. Be sure that typescript is not a link before running script.

SunOS 5.11							    30 Jan 2004 							 script(1)
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