Provide date on standard input

For programs `inst_eddies` and `test_get_1_outerm`, following commits
9a59d13 and 9dc139d.

Inst_eddies/Tests/long_tests.json

@@ -24,6 +24,7 @@
 	    ["$src_dir/Inst_eddies/Tests/Input/uv_region_3.nc", "uv.nc"]
 	],
 	"create_file": ["main_nml.txt", "&main_nml min_amp = 0./\n"],
+	"input": "20454\n",
 	"description": "Larger region, 120 x 120. Includes degenerate extrema."
     },
     {
@@ -39,6 +40,7 @@
 	    ["$src_dir/Inst_eddies/Tests/Input/uv_region_3.nc", "uv.nc"]
 	],
 	"create_file": ["main_nml.txt", "&main_nml /\n"],
+	"input": "20454\n",
 	"description":
 	"Same as Extraction_eddies_region_3 except with 1 mm minimum amplitude."
     },
@@ -55,6 +57,7 @@
 	    ["$src_dir/Inst_eddies/Tests/Input/uv_region_5.nc", "uv.nc"]
 	],
 	"create_file": ["main_nml.txt", "&main_nml /\n"],
+	"input": "20454\n",
 	"description": "Same as Extraction_eddies_region_4 with larger domain."
     },
     {
@@ -67,7 +70,8 @@
 	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc",
 	    "--template=dt_global_allsat_phy_l4_%Y%m%d_20190101.nc", "-l",
 	    "20060115"
-	]
+	],
+	"input": "20454\n"
     },
     {
         "create_file": ["main_nml.txt", "&main_nml /\n"],
@@ -78,7 +82,8 @@
 	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc",
 	    "--template=dt_global_allsat_phy_l4_%Y%m%d_20190101.nc", "-l",
 	    "2006-01-02", "-b", "5.875", "12.125", "-32.125", "-26.875"
-        ]
+        ],
+	"input": "20454\n"
     },
     {
         "create_file": ["main_nml.txt", "&main_nml /\n"],
@@ -90,6 +95,7 @@
 	    "--template=dataset-duacs-global-allsat-phy-%Y-%m-%d.nc", "-l",
 	    "20200202"
         ],
+	"input": "25597\n",
 	"description":
 	"Date 2020-02-01 is missing. Test of the script with a missing date."
     }

Inst_eddies/Tests/short_tests.json

 [
     {
-        "input": "&main_nml /\n",
+        "input": "&main_nml /\n20454\n",
         "title": "Get_1_outerm",
         "required": [
             [
@@ -17,7 +17,7 @@
     },
     {
         "description": "Assume insufficient amplitude for extrema 2 and 8. Even if extremum 8 does not have a particularly small amplitude, we just want to see the target extremum, 6, grow its outermost contour compared to the case without minimum amplitude.",
-        "input": "&main_nml /\n",
+        "input": "&main_nml /\n20454\n",
         "title": "Get_1_outerm_noise_2_8",
         "required": [
             ["$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc", "h.nc"],
@@ -28,7 +28,7 @@
     },
     {
         "description": "Negative value for extremum 2.",
-        "input": "&main_nml /\n",
+        "input": "&main_nml /\n20454\n",
         "title": "Get_1_outerm_noise_2",
         "required": [
             ["$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc", "h.nc"],
@@ -254,6 +254,7 @@
     },
     {
         "create_file": ["main_nml.txt", "&main_nml min_amp = 0./\n"],
+	"input": "20454\n",
         "required": [
             ["$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc", "h.nc"],
             ["$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc", "uv.nc"]
@@ -272,6 +273,7 @@
             ["$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc", "h.nc"],
             ["$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc", "uv.nc"]
         ],
+	"input": "20454\n",
         "title": "Extraction_eddies_region_1_noise",
         "commands": [
             ["mkdir", "SHPC_cyclo", "SHPC_anti"],
@@ -280,6 +282,7 @@
     },
     {
         "create_file": ["main_nml.txt", "&main_nml min_amp = 0./\n"],
+	"input": "20454\n",
         "required": [
             ["$src_dir/Inst_eddies/Tests/Input/h_region_2.nc", "h.nc"],
             ["$src_dir/Inst_eddies/Tests/Input/uv_region_2.nc", "uv.nc"]
@@ -301,7 +304,8 @@
 	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc",
 	    "--template=dt_global_allsat_phy_l4_%Y%m%d_20190101.nc", "-l",
 	    "20060102"
-	]
+	],
+	"input": "20454\n"
     },
     {
       "description":
@@ -313,7 +317,8 @@
 	"$build_dir/Inst_eddies/inst_eddies.py", "-b", "16.125", "20.875",
 	"-38.875", "-34.125",
 	"$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc"
-      ]
+	],
+	"input": "20454\n"
     },
     {
         "create_file": ["main_nml.txt", "&main_nml /\n"],
@@ -323,7 +328,8 @@
             "$build_dir/Inst_eddies/inst_eddies.py",
 	    "$src_dir/Inst_eddies/Tests/Input/Region_1/huv_region_1_2006_01_01.nc",
 	    "--template=huv_region_1_%Y_%m_%d.nc", "-l", "2006-01-04"
-        ]
+        ],
+	"input": "20454\n"
     },
     {
         "title": "Nearby_extr",
@@ -357,6 +363,7 @@
 	    "main_nml.txt",
 	    "&main_nml min_amp = 0., MAX_RADIUS_deg = 80., 72./\n"
 	],
+	"input": "20454\n",
         "required": [
             [
                 "$src_dir/Inst_eddies/Tests/Input/h_2006_01_01_coarse.nc",