icontools: align code blocks

docs/tools/icontools.md

@@ -54,28 +54,28 @@ This manual refers to the workflow MeteoSwiss currently uses to run LAM simulati
 
 * Add fields `FI` and `z` from IFS analysis to LBC prior to the interpolation using `cdo` (GRIB only). To use the `cdo` command, make sure the module is loaded: `module load daint-gpu CDO`.
 
-```bash
-cdo -selname,FI analysis_file fi_file
-cdo -selname,z analysis_file z_file
-cdo settime,'03:00:00' fi_file fi_file_time
-cdo settime,'03:00:00' z_file z_file_time
-cdo setreftime,2019-09-30,03:00:00  z_file_time z_file_reftime
-cat lbc_file zfile_reftime fi_file_time > complete_file
-```
+    ```bash
+    cdo -selname,FI analysis_file fi_file
+    cdo -selname,z analysis_file z_file
+    cdo settime,'03:00:00' fi_file fi_file_time
+    cdo settime,'03:00:00' z_file z_file_time
+    cdo setreftime,2019-09-30,03:00:00  z_file_time z_file_reftime
+    cat lbc_file zfile_reftime fi_file_time > complete_file
+    ```
 
 * Adapt scripts `icontools/C2SM/remap_ini` and `icontools/C2SM/remap_lbc` to your needs
 
 * Remap IFS data for BC:
 
-```bash
-sbatch -A <account> icontools/C2SM/remap_lbc
-``` 
+    ```bash
+    sbatch -A <account> icontools/C2SM/remap_lbc
+    ``` 
 
 * Remap IFS data for analysis:
 
- ```bash
-sbatch -A <account> icontools/C2SM/remap_ini
-```
+    ```bash
+    sbatch -A <account> icontools/C2SM/remap_ini
+    ```
 
 ## Documentation