From df4d976277795d06796b70043847d020c8d724aa Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mike.gerwitz@rtspecialty.com>
Date: Wed, 22 Nov 2017 10:23:23 -0500
Subject: [PATCH] csvm2csv: Add support for date->ts conversion

* src/current/tools/csvm2csv: Modify example to include date.
  (rangeout, parseLine): Renamed from `rangeout'.  Add date->timestamp
    parsing.
---
 src/current/tools/csvm2csv | 38 ++++++++++++++++++++++----------------
 1 file changed, 22 insertions(+), 16 deletions(-)

diff --git a/src/current/tools/csvm2csv b/src/current/tools/csvm2csv
index 3bcbc7b4..1b89b5b4 100755
--- a/src/current/tools/csvm2csv
+++ b/src/current/tools/csvm2csv
@@ -28,24 +28,24 @@
 #
 # For example:
 #   :foo=1--3
-#   $foo;7;9--10:$foo, 5--10
+#   $foo;7;9--10:$foo, 5--10,1/1/2017
 #
 # Would generate:
-#   1, 5
-#   1, 6
+#   1, 5, 1483246800
+#   1, 6, 1483246800
 #   ...
-#   5, 10
-#   2, 5
+#   5, 10, 1483246800
+#   2, 5, 1483246800
 #   ...
-#   9, 5
+#   9, 5, 14832468005
 #   ...
-#   1, 5
-#   1, 6
+#   1, 5, 1483246800
+#   1, 6, 1483246800
 #   ...
 ##
 
 
-function rangeout( i, m, j, me, orig )
+function parseline( i, m, j, me, orig )
 {
   if ( i > NF )
   {
@@ -55,16 +55,23 @@ function rangeout( i, m, j, me, orig )
 
   orig = $i
 
+  if ( match( $i, /^([0-9]+\/){2}[0-9]+$/, m ) )
+  {
+    cmd = "date --date=" $i " +%s"
+    cmd |& getline $i
+    close(cmd)
+  }
+
   # check first for delimiters
   if ( match( $i, /^([^;]+);(.*)$/, m ) )
   {
     # give it a shot with the first value
     $i = m[1]
-    rangeout( i )
+    parseline( i )
 
     # strip off the first value and process with following value(s)
     $i = m[2]
-    rangeout( i )
+    parseline( i )
 
     # we've delegated; we're done
     $i = orig
@@ -85,12 +92,12 @@ function rangeout( i, m, j, me, orig )
     do
     {
       $i = j
-      rangeout( i + 1 )
+      parseline( i + 1 )
     } while ( j++ < me )
   }
   else
   {
-    rangeout( i + 1 );
+    parseline( i + 1 );
   }
 
   # restore to original value
@@ -115,9 +122,8 @@ BEGIN {
   next
 }
 
-# lines containing ranges (denoted by `--', the en dash, which is a typesetting
-# convetion for ranges), sub-delimiters, or variables must be expanded
-/--|;|\$[a-zA-Z_-]/ { rangeout( 1 ); next; }
+# lines that need any sort of processing (ranges, dates, etc)
+/--|;|\$[a-zA-Z_-]|\// { parseline( 1 ); next; }
 
 # all other lines are normal; simply output them verbatim
 {