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Full Discussion: AWK for a beginner
Top Forums Shell Programming and Scripting AWK for a beginner Post 302703375 by DGPickett on Wednesday 19th of September 2012 04:34:41 PM
Old 09-19-2012
The read loop is intrinsic in sed, too, but you can make your own loop reading with 'N', and the = operator is a weak line counter (only prints, so you need a sed after to marry the two line set).

Only the shells need something like "while read ... do ... done <file" and I fear there might not be any eof last line test while processing the last line. Shells can capture lines with 'line' and test that for eof before processing, but you have to read a line ahead to know EOF is waiting, so the loop gets pretty messy.
Last edited by DGPickett; 09-19-2012 at 05:41 PM..
 

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LEARN ABOUT DEBIAN

smd-loop

smd-loop(1)						 Sync Mail Dir (smd) documentation					       smd-loop(1)

NAME

       smd-loop - iterates smd-pull and smd-push

SYNOPSIS

       smd-loop [-vt]

DESCRIPTION

       smd-loop  runs  smd-push and smd-pull at regular intervals as defined by the user in the ~/.smd/loop configuration file. On errors that are
       reported to be transient, it retries a second time before failing.

       The configuration file is line-oriented. Each line is composed of three space separated fields:	pull-frequency,  push-frequency  and  end-
       point-name. Frequencies are expressed in minutes, while endpoint name is a valid name for smd-pull(1) and smd-push(1). Lines beginning with
       # are considered as comments. The following example calls the command smd-pull default every 3 minutes,	and  smd-push  default	every  10.
       Example:

	   # pull-frequency push-frequency endpoint-name
	     3		    10		   default

OPTIONS

       -v     Increase program verbosity (printed on stderr)

       -t     Just create a template configuration file if none

FILES

       ~/.smd/loop

SEE ALSO

       mddiff(1), smd-server(1), smd-client(1), smd-push(1), smd-pull(1)

AUTHOR

       Enrico Tassi <gares@fettunta.org>

								   11 June 2012 						       smd-loop(1)
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