User script folder standard location ? Post: 302365059

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Operating Systems AIX User script folder standard location ? Post 302365059 by bakunin on Sunday 25th of October 2009 03:55:16 PM

10-25-2009

Registered User

Sorry, scottn, i would never put a script (or anything else i wrote) to /usr/bin.

/usr/bin is the place for the system binaries and provided by the OS vendor. If you put anything there you run a (small but existing) chance that one of the following updates puts an OS binary there with the same name as your utility, overwriting your script. Better leave the systems directory untouched.

/usr/local/bin is a different case because it is the place to put local extensions to the OS. This is a good place to put your utility.

I think an even better way is to create a script-set with all of your scripts (ideally to be installed via installp) and have a separate directory where you install all your scripts. For instance a directory /usr/local/bin/<something>, where you put all your scripts. If you create new scripts or change existing ones you can simply repackage them to another version of your script-set and update the system with it.

Another recommended technique: You probably have a lot of common tasks to do in your scripts to make them as robust as possible: You probably write some kind of log as the script executes so that if the script crashes you could find out why and where. You probably write some temporary files so you might want to check before if there is enough space left on the filesystem to do so and you might want to clean your temp files afterwards. You probably want to set a common environment at the scripts start to avoid the "cron problem number one": a script works perfectly from commandline but fails when called from cron because it uses the login shells environment implicitly.

Write functions for these common tasks and put them in separate files. Korn shells allows to use external functions and to search for them via the FPATH-variable, a device similar to the PATH-variable for executables. I have all my (~50) functions in a directory /usr/local/lob/ksh and set the FPATH variable to this directory. This way i make sure all the functions are found.

My own script package creates/updates the following directories:

/usr/local/etc - configuration files for some scripts
/usr/local/log - log files my scrpts write
/usr/local/lib/ksh - ksh functions i rely on
/usr/local/bin/ksh - scripts themselves

I hope this helps.

bakunin

bakunin

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git-sh-setup

GIT-SH-SETUP(1) 						    Git Manual							   GIT-SH-SETUP(1)

NAME

       git-sh-setup - Common git shell script setup code

SYNOPSIS

       . "$(git --exec-path)/git-sh-setup"

DESCRIPTION

       This is not a command the end user would want to run. Ever. This documentation is meant for people who are studying the Porcelain-ish
       scripts and/or are writing new ones.

       The git sh-setup scriptlet is designed to be sourced (using .) by other shell scripts to set up some variables pointing at the normal git
       directories and a few helper shell functions.

       Before sourcing it, your script should set up a few variables; USAGE (and LONG_USAGE, if any) is used to define message given by usage()
       shell function. SUBDIRECTORY_OK can be set if the script can run from a subdirectory of the working tree (some commands do not).

       The scriptlet sets GIT_DIR and GIT_OBJECT_DIRECTORY shell variables, but does not export them to the environment.

FUNCTIONS

       die
	   exit after emitting the supplied error message to the standard error stream.

       usage
	   die with the usage message.

       set_reflog_action
	   set the message that will be recorded to describe the end-user action in the reflog, when the script updates a ref.

       git_editor
	   runs an editor of user's choice (GIT_EDITOR, core.editor, VISUAL or EDITOR) on a given file, but error out if no editor is specified
	   and the terminal is dumb.

       is_bare_repository
	   outputs true or false to the standard output stream to indicate if the repository is a bare repository (i.e. without an associated
	   working tree).

       cd_to_toplevel
	   runs chdir to the toplevel of the working tree.

       require_work_tree
	   checks if the repository is a bare repository, and dies if so. Used by scripts that require working tree (e.g.  checkout).

       get_author_ident_from_commit
	   outputs code for use with eval to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL and GIT_AUTHOR_DATE variables for a given commit.

AUTHOR

       Written by Linus Torvalds <torvalds@osdl.org[1]>

DOCUMENTATION

       Documentation by Junio C Hamano and the git-list <git@vger.kernel.org[2]>.

GIT

       Part of the git(1) suite

NOTES

	1. torvalds@osdl.org
	   mailto:torvalds@osdl.org

	2. git@vger.kernel.org
	   mailto:git@vger.kernel.org

Git 1.7.1							    07/05/2010							   GIT-SH-SETUP(1)