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Shell Programming and Scripting
Process file every minute
Post 302586927 by Corona688 on Tuesday 3rd of January 2012 04:28:20 PM
01-03-2012
You have code that looks like it could work if you tried it but refuse to try it.
So you have a .ksh file which is not a ksh script? 
Created how?
So this 29203 is the fifo?
Yes you can. 'cat' is not special, cat just reads files. awk also just reads files. Why not try it, like I've asked for days?
Just awk ... /path/to/pipe ought to read one batch of data from the pipe and write it to standard output. Redirect it wherever you please with >filename (to replace) or >>filename (to append). Put it in a 'while true' loop like you already did. each time you run awk it will get exactly one batch of data.
In other words run the code I already got and suggested fixes to, the way you had it originally, except reading from the fifo. And actually try it to see what it does.
Please try it, or at least something. I can't see your computer from here and ran out of things to suggest days ago, we need actual feedback from you, not 'but I think x'.
Quote:
data.ksh which contains data
Quote:
29203 file which I use to capture the data from data.ksh
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If I cat 29203 > outputfile then from second terminal cat outputfile then I could refer to the data.
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Other than that I can’t refer to the data using fifo file directly
Just awk ... /path/to/pipe ought to read one batch of data from the pipe and write it to standard output. Redirect it wherever you please with >filename (to replace) or >>filename (to append). Put it in a 'while true' loop like you already did. each time you run awk it will get exactly one batch of data.
In other words run the code I already got and suggested fixes to, the way you had it originally, except reading from the fifo. And actually try it to see what it does.
Please try it, or at least something. I can't see your computer from here and ran out of things to suggest days ago, we need actual feedback from you, not 'but I think x'.
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LEARN ABOUT MOJAVE
page_util_quote
page_util_quote(n) Parser generator tools page_util_quote(n) __________________________________________________________________________________________________________________________________________________ NAME
page_util_quote - page character quoting utilities SYNOPSIS
package require page::util::quote ?0.1? package require snit ::page::util::quote::unquote char ::page::util::quote::quote'tcl char ::page::util::quote::quote'tclstr char ::page::util::quote::quote'tclcom char _________________________________________________________________ DESCRIPTION
This package provides a few utility commands to convert characters into various forms. API
::page::util::quote::unquote char A character, as stored in an abstract syntax tree by a PEG processor (See the packages grammar::peg::interpreter, grammar::me, and their relations), i.e. in some quoted form, is converted into the equivalent Tcl character. The character is returned as the result of the command. ::page::util::quote::quote'tcl char This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser, will regenerate the character in question and is 7bit ASCII. The string is returned as the result of this command. ::page::util::quote::quote'tclstr char This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser and will generate a human readable representation of the character in question. The string is returned as the result of this command. The string does not use any unprintable characters. It may use backslash-quoting. High UTF characters are quoted to avoid problems with the still prevalent ascii terminals. It is assumed that the string will be used in a double-quoted environment. ::page::util::quote::quote'tclcom char This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser when used within a Tcl comment. The string is returned as the result of this command. BUGS, IDEAS, FEEDBACK This document, will undoubtedly contain bugs and other problems. Please report such in the category page of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have. KEYWORDS
page, parser generator, quoting, text processing CATEGORY
Page Parser Generator COPYRIGHT
Copyright (c) 2007 Andreas Kupries <andreas_kupries@users.sourceforge.net> page 1.0 page_util_quote(n)