1 files changed, 0 insertions, 138 deletions
diff --git a/tools/csvi b/tools/csvi
deleted file mode 100755
index 6b9af78..0000000
--- a/tools/csvi
+++ /dev/null
@@ -1,138 +0,0 @@
-#!/usr/bin/awk -f
-#
-# Performs interpolation for columns in a CSV and outputs the result
-#
-#   Copyright (C) 2016 LoVullo Associates, Inc.
-#
-#   This program is free software: you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
-#   the Free Software Foundation, either version 3 of the License, or
-#   (at your option) any later version.
-#
-#   This program is distributed in the hope that it will be useful,
-#   but WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#   GNU General Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License
-#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# Configurable values (use -vname=value from command line):
-#   step  - use predeterminated step instead of calculating from first two rows
-##
-
-function storeline()
-{
-  for ( i = 1; i <= hlen; i++ ) {
-    prev[i] = $i
-  }
-}
-
-function clearline()
-{
-  for ( i = 1; i <= hlen; i++ ) {
-    prev[i] = 0
-  }
-}
-
-function getprev()
-{
-  for ( i = 1; i <= hlen; i++ ) {
-    $i = prev[i]
-  }
-}
-
-
-function interpolate()
-{
-  lastval = prev[1]
-
-  curval = $1
-  diff = curval - lastval
-
-  # does this value fall in line with the requested step?
-  if ( diff == step )
-  {
-    storeline()
-
-    # we're good; continue
-    print
-    next
-  }
-
-  # if we do not yet have a value large enough to reach our step, then continue
-  # until we do (do not store this line)
-  n = int( diff / step )
-  if ( n <= 0 ) {
-    next
-  }
-
-  # determine interpolation values
-  for ( i = 2; i <= hlen; i++ ) {
-    ival[i] = ( ( $i - prev[i] ) / n )
-  }
-
-  getprev()
-
-  # let us interpolate values that are divisible by the step
-  do
-  {
-    # increase the last value by our step
-    $1 += step
-
-    # interpolate each column value (notice that we skip the first column, which
-    # was handled directly above)
-    for ( i = 2; i <= hlen; i++ ) {
-      $i += ival[i]
-    }
-
-    # print the new line
-    print
-  } while ( ( diff -= step ) > 0 )
-
-  # anything remaining does not fit into our step and will be ignored; we'll
-  # continue with our next step at the next line
-
-  # consider this to be our last line
-  storeline()
-}
-
-
-BEGIN {
-  # the first row of the CSV is the header representing the column identifiers
-  getline
-  hlen = split( $0, header, /,/ )
-
-  # output the header
-  print $0
-
-  # delimit fields by commas (the field separator for CSVs); note that this
-  # won't work properly if strings contain commas
-  FS = OFS = ","
-
-  clearline()
-  getline
-
-  # if no step was provided, then calculate one based on the first two rows
-  if ( step == 0 ) {
-    # output the first row, which does not need to be interpolated
-    print
-
-    # compute the step
-    vala = $1
-    getline
-    valb = $1
-    step = valb - vala
-
-    # since the second line is used to determine the step, then it must match the
-    # step and therefore is good to output
-    print
-
-    # begin.
-    storeline()
-  }
-}
-
-
-# for each row
-{ interpolate() }