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Full Discussion: assigning complicated input to a variable
Top Forums Shell Programming and Scripting assigning complicated input to a variable Post 302349009 by cfajohnson on Sunday 30th of August 2009 08:08:10 PM
Old 08-30-2009
Quote:
Originally Posted by sigtor77
However, this worked as desired:
HITS=`cat /csv/LightningProbability30minAlignmentErrorTable_*.csv | sed 's/,/ /g' | awk '{print int(100*$5)}' | grep "^0" | wc -l`

For some reason, I didn't think I still needed the cat in there.

You don't need cat:

Code:
HIST=$( sed 's/,/ /g' /csv/LightningProbability30minAlignmentErrorTable_*.csv | awk '{print int(100*$5)}' | grep "^0" | wc -l )

-- or sed or grep or wc:

Code:
HITS=$( awk -F, '$5 == 0 { ++x } END { print x }' /csv/LightningProbability30minAlignmentErrorTable_*.csv )

 

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DBATBL(1)						      General Commands Manual							 DBATBL(1)

NAME

       dbatbl - Manage on-disk reference tables for DB-ALLe

SYNOPSIS

       dbatbl [command] [options] [args...]

DESCRIPTION

       This tool allows to index and query the tables that are needed for normal functioning of DB-ALLe.

       dbatbl always requires a non-switch argument, that indicates what is the operation that should be performed:

       help
	      Print a help summary.

       help manpage
	      Print this manpage.

       cat tableid [tableid [...]]
	      Output all the contents of a WMO B table..

       grep string
	      Output all the contents of the local B table whose description contains the given string..

       expand table-entry [table-entry [...]]
	      Describe a WMO B table entry or expand a WMO D table entry in its components..

       expandcode varcode [varcode [...]]
	      Expand the value of a packed variable code.

       index [options] filename index-id
	      Index the contents of a table file.

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	      Invoke the formatter to describe the given values.  Supported so far are: "level ltype l1 l2", "trange pind p1 p2".

OPTIONS

       dbatbl follows the usual GNU command line syntax, with long options starting with two dashes (`-').

   Option for command cat
       -?, --help
	      print an help message

       -c, --csv
	      output variables in CSV format

   Option for command grep
       -?, --help
	      print an help message

       -c, --csv
	      output variables in CSV format

   Option for command expand
       -?, --help
	      print an help message

   Option for command expandcode
       -?, --help
	      print an help message

   Option for command index
       -?, --help
	      print an help message

       -t type, --type=type
	      format of the table to index ('b', 'd', 'conv')

   Option for command describe
       -?, --help
	      print an help message

AUTHOR

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								   may 16, 2012 							 DBATBL(1)
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