From 231c5f17f6e606d065eb4e6d7cad2e2624a558a0 Mon Sep 17 00:00:00 2001
From: Scott Stewart <scotts@colorado.edu>
Date: Mon, 4 Nov 2024 10:40:32 -0700
Subject: [PATCH] add script to remove min_concentration field from ancillary
 file(s)

---
 .../ancillary/remove_min_conc_in_ancillary.sh | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100755 scripts/ancillary/remove_min_conc_in_ancillary.sh

diff --git a/scripts/ancillary/remove_min_conc_in_ancillary.sh b/scripts/ancillary/remove_min_conc_in_ancillary.sh
new file mode 100755
index 00000000..c29ace61
--- /dev/null
+++ b/scripts/ancillary/remove_min_conc_in_ancillary.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# ./remove_min_conc_in_ancillary.sh
+
+# if there is a field called "min_concentration" in arg1, drop it
+
+# Note: This command outputs a file with the same basename
+#       in the current directory.
+#       And it does not allow overwriting of the original file
+
+# Sample usage:
+# This script was used to remove the min_concentration field
+#   from the v05r00 ancillary files:
+#   ./remove_min_conc_in_ancillary.sh /share/apps/G02202_V5/v05_ancillary/G02202-ancillary-psn25-v05r00.nc 
+#   ./remove_min_conc_in_ancillary.sh /share/apps/G02202_V5/v05_ancillary/G02202-ancillary-pss25-v05r00.nc 
+
+
+var_to_delete=min_concentration
+
+ifn="$1"
+if [ -z "$ifn" ]; then
+  echo "No input file given.  (Should be a netCDF file)"
+  exit
+fi
+
+ofn=$(basename ${ifn})
+
+if [ "$ifn" == "$ofn" ]; then
+  echo "input and output filename would be the same, exiting"
+  echo "  ${ofn}"
+  exit
+fi
+
+if [ "$ifn" == ./"$ofn" ]; then
+  echo "input and output filename would be the same, exiting"
+  echo "  ${ofn}"
+  exit
+fi
+
+cmd_output=$(ncks -C -O -h -x -v ${var_to_delete} ${ifn} ${ofn})
+if [ ! -z ${cmd_output} ]; then
+  echo "Command output not empty.  Perhaps something went wrong?"
+  echo "${cmd_output}"
+fi