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Top Forums Shell Programming and Scripting UNIX Shell Scripting (Solaris) for File Checking Post 302974484 by RudiC on Tuesday 31st of May 2016 05:42:59 AM
Old 05-31-2016
So, where do we start? Being an electronics engineer, is the assumption correct that you know what a specification is? Loosely phrased, the description of a target (contents, shape, structure, timing) and the collection of basic data (setup, sample input, ...) to start from, constraints and/or exceptions and/or boundary conditions, tools available (or forbidden), sometimes accompanied by ideas or even rules/instructions on how to get there.
Still online? Let's start with

The target: Paraphrased from your post#1: A list of directories with the information "contains valid/invalid files". Please refine to taste.

The basics: A number of subdirectories in your home directory (definition varies in above posts) with files to be searched for keywords. Please be very aware that we don't know anything about your computer/(file-) system/directory structure/anything. So some samples might help!
Additional info needed:
- What flexibiltiy is required?
- Do the subdirs change a lot?
- Are there more subdirs?
- - How to define the interesting ones?
- - How to exclude the others?
- - Use a "white list" (= config file)?
- Do the keywords change?
- - How to provide?
- - Are there more than one keyword per subdir?

- config files to be used?
- - one? many?
- - structure of the config file(s)
- - up to the service provider?

Constraints/exceptions/boundary conditions:
- not (yet) known

The tools: available *nix commands/versions (your Solaris have may some restrictions that other OS don't have)
- pure shell (which do you use?)
- text processing commands (sed, awk, perl, ...)
- up to the service provider?



I'll stop here with this non-exhaustive list. Feel free to complete and answer.


You now may say: "What an immense effort for a minor task like a mere 'file list for 7 directories' ". I'd request you to ponder the overall time it took for the two of us to type posts #1 to #10 compared to you making up your mind and put together a small set of basic data, stringent rules, and a precise, distinct result, with which a satisfactory solution would have been proposed within hours if not minutes.

I'd propose you take a step back and try to rephrase your request considering at least part of above...

Last edited by RudiC; 05-31-2016 at 06:52 AM..
This User Gave Thanks to RudiC For This Post:
 

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break(1)							   User Commands							  break(1)

NAME
break, continue - shell built-in functions to escape from or advance within a controlling while, for, foreach, or until loop SYNOPSIS
sh break [n] continue [n] csh break continue ksh *break [n] *continue [n] DESCRIPTION
sh The break utility exits from the enclosing for or while loop, if any. If n is specified, break n levels. The continue utility resumes the next iteration of the enclosing for or while loop. If n is specified, resume at the n-th enclosing loop. csh The break utility resumes execution after the end of the nearest enclosing foreach or while loop. The remaining commands on the current line are executed. This allows multilevel breaks to be written as a list of break commands, all on one line. The continue utility continues execution of the next iteration of the nearest enclosing while or foreach loop. ksh The break utility exits from the enclosed for, while, until, or select loop, if any. If n is specified, then break n levels. If n is greater than the number of enclosing loops, the outermost enclosing loop shall be exited. The continue utility resumes the next iteration of the enclosed for, while, until, or select loop. If n is specified then resume at the n- th enclosed loop. If n is greater than the number of enclosing loops, the outermost enclosing loop shall be used. On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways: 1. Variable assignment lists preceding the command remain in effect when the command completes. 2. I/O redirections are processed after variable assignments. 3. Errors cause a script that contains them to abort. 4. Words that follow a command preceded by ** that are in the format of a variable assignment are expanded with the same rules as a vari- able assignment. This means that tilde substitution is performed after the = sign, and also that word splitting and file name genera- tion are not performed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), exit(1), ksh(1), sh( 1), attributes(5) SunOS 5.10 17 Jul 2002 break(1)
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