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Full Discussion: awk three conditions
Top Forums Shell Programming and Scripting awk three conditions Post 302720575 by Corona688 on Wednesday 24th of October 2012 11:56:03 AM
Old 10-24-2012
Quote:
Originally Posted by MaindotC
And godforbid I didn't put the corresponding EOL in the right location otherwise it was treated as a comment. I'm sure there's a reason for these things but wow...
It's supposed to treat the text inside it completely literally, to the point people have used it to archive files; it has to be very picky about where it ends.

You can make it less picky with <<-EOF ... EOF instead of <<EOF ... EOF, which will cause it to strip tabs off the front of everything inside. Only tabs, not spaces.
 

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LEARN ABOUT LINUX

user-keyring

USER-KEYRING(7) 					     Linux Programmer's Manual						   USER-KEYRING(7)

NAME

       user-keyring - per-user keyring

DESCRIPTION

       The  user  keyring  is  a keyring used to anchor keys on behalf of a user.  Each UID the kernel deals with has its own user keyring that is
       shared by all processes with that UID.  The user keyring has a name (description) of the form _uid.<UID> where <UID> is the user ID of  the
       corresponding user.

       The  user  keyring  is associated with the record that the kernel maintains for the UID.  It comes into existence upon the first attempt to
       access either the user keyring, the user-session-keyring(7), or the session-keyring(7).	The keyring remains pinned in existence so long as
       there  are  processes  running  with that real UID or files opened by those processes remain open.  (The keyring can also be pinned indefi-
       nitely by linking it into another keyring.)

       Typically, the user keyring is created by pam_keyinit(8) when a user logs in.

       The user keyring is not searched by default by request_key(2).  When pam_keyinit(8) creates a session keyring, it adds to it a link to  the
       user keyring so that the user keyring will be searched when the session keyring is.

       A  special  serial  number  value,  KEY_SPEC_USER_KEYRING,  is  defined that can be used in lieu of the actual serial number of the calling
       process's user keyring.

       From the keyctl(1) utility, '@u' can be used instead of a numeric key ID in much the same way.

       User keyrings are independent of clone(2), fork(2), vfork(2), execve(2), and _exit(2) excepting that the keyring is destroyed when the  UID
       record is destroyed when the last process pinning it exits.

       If  it  is  necessary  for  a  key associated with a user to exist beyond the UID record being garbage collected--for example, for use by a
       cron(8) script--then the persistent-keyring(7) should be used instead.

       If a user keyring does not exist when it is accessed, it will be created.

SEE ALSO

       keyctl(1), keyctl(3), keyrings(7), persistent-keyring(7), process-keyring(7), session-keyring(7), thread-keyring(7),
       user-session-keyring(7), pam_keyinit(8)

Linux								    2017-03-13							   USER-KEYRING(7)
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