Add visidata plugin and json-function

config/visidataplugins/hidecol.py

@@ -0,0 +1,37 @@
+__version__ = "0.1.0"
+__author__ = "Your Name <your.email@example.com>"
+
+from visidata import Sheet, BaseSheet, vd
+
+
+@Sheet.api
+def hide_empty_and_superfluous_cols(sheet):
+    """
+    Given a sheet, hides columns that are empty or superfluous (contain the same
+    value in every row).
+    """
+    # Create a dictionary to keep track of which columns to hide
+    cols_to_hide = {}
+
+    # Check each column for being empty or superfluous
+    for col in sheet.visibleCols:
+        # Check if the column is empty (all cells are empty or None)
+        if all([col.getValue(row) in (None, "") for row in sheet.rows]):
+            cols_to_hide[col] = True
+            continue
+
+        # Check if the column is superfluous (contains the same value in every row)
+        values = set([col.getValue(row) for row in sheet.rows if col.getValue(row) not in (None, "", "null")])
+        if len(values) == 1:
+            cols_to_hide[col] = True
+
+    # Hide the columns that were flagged
+    if cols_to_hide:
+        for col in cols_to_hide:
+            col.width=0
+        vd.status(f"Hid {len(cols_to_hide)} empty/superfluous columns.")
+    else:
+        vd.status("No empty/superfluous columns to hide.")
+
+Sheet.addCommand(None, "tke-hidecol", "sheet.hide_empty_and_superfluous_cols()")
+