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Full Discussion: Stop Writing Scripts
The Lounge What is on Your Mind? Stop Writing Scripts Post 302867283 by drl on Wednesday 23rd of October 2013 06:46:32 PM
Old 10-23-2013
Hi, mikemazz.
Quote:
Originally Posted by http://en.wikipedia.org/wiki/Workflow
A workflow consists of a sequence of connected steps where each step follows without delay or gap and ends just before the subsequent step may begin. It is a depiction of a sequence of operations, declared as work of a person or group,[1] an organization of staff, or one or more simple or complex mechanisms. Workflow may be seen as any abstraction of real work. For control purposes, workflow may be a view of real work in a chosen aspect,[2] thus serving as a virtual representation of actual work. The flow being described may refer to a document or product that is being transferred from one step to another.

Workflows may be viewed as one primitive building block to be combined with other parts of an organisation's structure such as information silos, teams, projects, policies and hierarchies.
Wikipedia isn't a definitive source, but it seems to me that scripts easily fit the description above.

Researchers, experimenters, students, hobbyists all use scripts effectively.
Quote:
Originally Posted by mikemazz
1) Have little or no security
2) Lack of reuse
3) Not cross-platform
4) Hard to maintain
I find that scripts are one the most reusable solutions to problems precisely because they are portable among platforms.

Long scripts, badly written, without comments are hard to maintain. So might be spaghetti diagrams, text descriptions, and the highest of high abstract languages.

I agree with very little of what you wrote.

Best wishes ... cheers, drl
 

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SERVICE(8)						      System Manager's Manual							SERVICE(8)

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script or systemd unit in as predictable an environment as possible, removing most environment variables and with the current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT, or the name of a systemd unit. The existence of a systemd unit of the same name as a script in /etc/init.d will cause the unit to take precedence over the init.d script. The supported val- ues of COMMAND depend on the invoked script. service passes COMMAND and OPTIONS to the init script unmodified. For systemd units, start, stop, status, and reload are passed through to their systemctl/initctl equivalents. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. The status is [ + ] for running services, [ - ] for stopped services and [ ? ] for services without a status command. This option only calls status for sysvinit jobs. EXIT CODES
service calls the init script and returns the status returned by it. FILES
/etc/init.d The directory containing System V init scripts. /{lib,run,etc}/systemd/system The directories containing systemd units. ENVIRONMENT
LANG, LANGUAGE, LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES, LC_PAPER, LC_NAME, LC_ADDRESS, LC_TELEPHONE, LC_MEA- SUREMENT, LC_IDENTIFICATION, LC_ALL, TERM, PATH The only environment variables passed to the init scripts. SEE ALSO
/etc/init.d/skeleton update-rc.d(8) init(8) invoke-rc.d(8) systemctl(1) AUTHOR
Miloslav Trmac <mitr@redhat.com>, Petter Reinholdtsen <pere@hungry.com> Licence: GNU Public Licence v2 (GPLv2) COPYRIGHT
2006 Red Hat, Inc., Petter Reinholdtsen <pere@hungry.com> Jan 206 SERVICE(8)
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