Replace all instances of 'column path' in help messages with 'cell path' (#7063)

* Rewrite all 'column path' instances to 'cell path'

* Minor tweak

crates/nu-command/src/conversions/into/binary.rs

@@ -30,7 +30,7 @@ impl Command for SubCommand {
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "column paths to convert to binary (for table input)",
+                "for a data structure input, convert data at the given cell paths",
             )
             .category(Category::Conversions)
     }

crates/nu-command/src/conversions/into/bool.rs

@@ -26,7 +26,7 @@ impl Command for SubCommand {
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "column paths to convert to boolean (for table input)",
+                "for a data structure input, convert data at the given cell paths",
             )
             .category(Category::Conversions)
     }

crates/nu-command/src/conversions/into/datetime.rs

@@ -94,7 +94,7 @@ impl Command for SubCommand {
             .rest(
             "rest",
                 SyntaxShape::CellPath,
-                "optionally convert text into datetime by column paths",
+                "for a data structure input, convert data at the given cell paths",
             )
             .category(Category::Conversions)
     }

crates/nu-command/src/conversions/into/decimal.rs

@@ -23,7 +23,7 @@ impl Command for SubCommand {
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "optionally convert text into decimal by column paths",
+                "for a data structure input, convert data at the given cell paths",
             )
     }
 

crates/nu-command/src/conversions/into/duration.rs

@@ -33,7 +33,7 @@ impl Command for SubCommand {
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "column paths to convert to duration (for table input)",
+                "for a data structure input, convert data at the given cell paths",
             )
             .category(Category::Conversions)
     }

crates/nu-command/src/conversions/into/filesize.rs

@@ -25,7 +25,7 @@ impl Command for SubCommand {
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "column paths to convert to filesize (for table input)",
+                "for a data structure input, convert data at the given cell paths",
             )
             .category(Category::Conversions)
     }

crates/nu-command/src/conversions/into/int.rs

@@ -43,7 +43,7 @@ impl Command for SubCommand {
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "column paths to convert to int (for table input)",
+                "for a data structure input, convert data at the given cell paths",
             )
             .category(Category::Conversions)
     }

crates/nu-command/src/conversions/into/string.rs

@@ -42,11 +42,10 @@ impl Command for SubCommand {
                 (Type::Date, Type::String),
             ])
             .allow_variants_without_examples(true) // https://github.com/nushell/nushell/issues/7032
-            // FIXME - need to support column paths
             .rest(
                 "rest",
                 SyntaxShape::CellPath,
-                "column paths to convert to string (for table input)",
+                "for a data structure input, convert data at the given cell paths",
             )
             .named(
                 "decimals",