Eskil

##Eskil Plugin : Compare comma separated value (CSV) files
## Option -csvignore : A list of columns to ignore
## Option -csvkey    : A list of columns to sort on before comparison
## Flag   -csvheader : First line is a header line defining names of columns
#
# This plugin compares CSV files with some preprocessing available
# Example usage:
# eskil -plugin csv -csvignore "head3 head5" -csvkey head2 -sep , \
#       examples/dir*/csv1.txt

# Example file for a plugin.
# A plugin's first line must start exactly like this one.
# The text after : is the summary you can get at the command line

# A plugin may declare command line options that should be allowed through
# to ::argv






# A plugin must define this procedure to do the job.
# side: left or right
# chi:  An input channel for reading the original file.
# cho:  An output channel for writing the processed file.
proc PreProcess {side chi cho} {
    # Look for parameters in command line
    set opts(-sep) ","