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Full Discussion: Remove the last 15 characters of a filename with respect to leave file extension
Top Forums Shell Programming and Scripting Remove the last 15 characters of a filename with respect to leave file extension Post 302881505 by kurumi on Monday 30th of December 2013 02:49:57 AM
Old 12-30-2013
Code:
# echo $mp4
VFX_Official_Trailer_(HD)__Shhh__-_by_Freddy_Chavez_Olmos_&_Shervin_Shoghian-[YT-f22][Ht2aZLf8q_8].mp4

# echo "$mp4"| ruby -e 's=gets; puts s.gsub(/[&-]+/,"_").gsub(/_+/,"-").split("-")[0..-4].join("-") + ".mp4" '
VFX-Official-Trailer-(HD)-Shhh-by-Freddy-Chavez-Olmos-Shervin-Shoghian.mp4

 

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LEARN ABOUT LINUX

pam-auth-update

PAM-AUTH-UPDATE(8)					      System Manager's Manual						PAM-AUTH-UPDATE(8)

NAME

       pam-auth-update - manage PAM configuration using packaged profiles

SYNOPSIS

       pam-auth-update [--package [--remove profile [profile...]]]  [--force]

DESCRIPTION

       pam-auth-update	is  a utility that permits configuring the central authentication policy for the system using pre-defined profiles as sup-
       plied by PAM module packages.  Profiles shipped in the /usr/share/pam-configs/ directory specify the modules, with options, to enable;  the
       preferred ordering with respect to other profiles; and whether a profile should be enabled by default.  Packages providing PAM modules reg-
       ister their profiles at install time by calling pam-auth-update --package.  Selection of profiles is done using the standard debconf inter-
       face.   The  profile  selection	question  will be asked at `medium' priority when packages are added or removed, so no user interaction is
       required by default.  Users may invoke pam-auth-update directly to change their authentication configuration.

       The script makes every effort to respect local changes to /etc/pam.d/common-*.  Local modifications to the list of module options  will	be
       preserved, and additions of modules within the managed portion of the stack will cause pam-auth-update to treat the config files as locally
       modified and not make further changes to the config files unless given the --force option.

       If the user specifies that pam-auth-update should override local configuration  changes,  the  locally-modified	files  will  be  saved	in
       /etc/pam.d/ with a suffix of .pam-old.

OPTIONS

       --package
	      Indicate	that  the  caller is a package maintainer script; lowers the priority of debconf questions to `medium' so that the user is
	      not prompted by default.

       --remove profile [profile...]
	      Remove the specified profiles from the system configuration.  pam-auth-update --remove should be used to remove  profiles  from  the
	      configuration before the modules they reference are removed from disk, to ensure that PAM is in a consistent and usable state at all
	      times during package upgrades or removals.

       --force
	      Overwrite the current PAM configuration, without prompting.  This option must not be used  by  package  maintainer  scripts;  it	is
	      intended for use by administrators only.

FILES

       /etc/pam.d/common-*
	   Global configuration of PAM, affecting all installed services.

       /usr/share/pam-configs/
	   Package-supplied authentication profiles.

AUTHOR

       Steve Langasek <steve.langasek@canonical.com>

COPYRIGHT

       Copyright (C) 2008 Canonical Ltd.

SEE ALSO

       PAM(7), pam.d(5), debconf(7)

Debian								    08/23/2008							PAM-AUTH-UPDATE(8)
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