added charcount parameter

cat_win/cat.py

@@ -29,6 +29,7 @@
 from cat_win.const.argconstants import ARGS_EVAL, ARGS_SORT, ARGS_GREP_ONLY, ARGS_PLAIN_ONLY
 from cat_win.const.argconstants import ARGS_FFILE_PREFIX, ARGS_DOTFILES, ARGS_OCT, ARGS_URI
 from cat_win.const.argconstants import ARGS_DIRECTORIES, ARGS_DDIRECTORIES, ARGS_SPECIFIC_FORMATS
+from cat_win.const.argconstants import ARGS_CHARCOUNT, ARGS_CCHARCOUNT
 from cat_win.const.colorconstants import CKW
 from cat_win.const.defaultconstants import DKW
 from cat_win.persistence.cconfig import CConfig
@@ -236,7 +237,7 @@ def _show_wordcount() -> None:
     print('The word count includes the following files:', end='')
     print(color_dic[CKW.RESET_ALL], end='\n\t')
     print('\n\t'.join(map(
-        lambda f: f"{color_dic[CKW.SUMMARY]}{f}{color_dic[CKW.RESET_ALL]}",used_files
+        lambda f: f"{color_dic[CKW.SUMMARY]}{f}{color_dic[CKW.RESET_ALL]}", used_files
         )))
     sorted_word_count = sorted(word_count.items(), key=lambda token: token[1], reverse=True)
     format_delimeter = f"{color_dic[CKW.RESET_ALL]}:{color_dic[CKW.SUMMARY]} "
@@ -251,6 +252,38 @@ def _show_wordcount() -> None:
     print(color_dic[CKW.RESET_ALL])
 
 
+def _show_charcount() -> None:
+    char_count = {}
+    used_files = []
+
+    for hfile in holder.files:
+        try:
+            with open(hfile.path, 'r', encoding=arg_parser.file_encoding) as file:
+                for char in list(file.read()):
+                    char_count[char] = char_count.get(char, 0)+1
+            used_files.append(hfile.displayname)
+        except (OSError, UnicodeError):
+            pass
+
+    print(color_dic[CKW.SUMMARY], end='')
+    print('The char count includes the following files:', end='')
+    print(color_dic[CKW.RESET_ALL], end='\n\t')
+    print('\n\t'.join(map(
+        lambda f: f"{color_dic[CKW.SUMMARY]}{f}{color_dic[CKW.RESET_ALL]}", used_files
+        )))
+    sorted_char_count = sorted(char_count.items(), key=lambda token: token[1], reverse=True)
+    format_delimeter = f"{color_dic[CKW.RESET_ALL]}:{color_dic[CKW.SUMMARY]} "
+    for _, group in groupby(sorted_char_count, lambda token: token[1]):
+        sorted_group = sorted(group, key=lambda token: token[0])
+        formatted_char_count = map(
+            lambda x: f"{color_dic[CKW.SUMMARY]}{repr(x[0]) if x[0].isspace() else x[0]}"
+            f"{format_delimeter}{x[1]}{color_dic[CKW.RESET_ALL]}",
+            sorted_group
+            )
+        print('\n' + '\n'.join(formatted_char_count), end='')
+    print(color_dic[CKW.RESET_ALL])
+
+
 def _show_sum() -> None:
     """
     display the line sum of each file individually if
@@ -973,6 +1006,9 @@ def edit_files() -> None:
     if holder.args_id[ARGS_WORDCOUNT]:
         print('')
         _show_wordcount()
+    if holder.args_id[ARGS_CHARCOUNT]:
+        print('')
+        _show_charcount()
     if holder.args_id[ARGS_SUM]:
         print('')
         _show_sum()
@@ -1191,6 +1227,9 @@ def main():
     if holder.args_id[ARGS_WWORDCOUNT]:
         _show_wordcount()
         return
+    if holder.args_id[ARGS_CCHARCOUNT]:
+        _show_charcount()
+        return
 
     edit_files()  # print the cat-output
 

cat_win/const/argconstants.py

@@ -30,7 +30,8 @@ def __init__(self, short_form: str, long_form: str, arg_help: str, arg_id: int,
 ARGS_EVAL, ARGS_SORT, ARGS_GREP_ONLY, ARGS_PLAIN_ONLY, ARGS_FILE_PREFIX = range(40, 45)
 ARGS_FFILE_PREFIX, ARGS_DOTFILES, ARGS_OCT, ARGS_URI, ARGS_WORDCOUNT = range(45, 50)
 ARGS_WWORDCOUNT, ARGS_DIRECTORIES, ARGS_DDIRECTORIES = range(50, 53)
-ARGS_SPECIFIC_FORMATS, ARGS_CONFIG = range(53, 55)
+ARGS_SPECIFIC_FORMATS, ARGS_CONFIG, ARGS_CHARCOUNT = range(53, 56)
+ARGS_CCHARCOUNT, = range(56, 57)
 
 DIFFERENTIABLE_ARGS = [ARGS_CUT, ARGS_REPLACE]
 
@@ -99,6 +100,10 @@ def __init__(self, short_form: str, long_form: str, arg_help: str, arg_id: int,
                 ARGS_WORDCOUNT, show_arg_on_shell=False, section=5),
     ArgConstant('-W', '--WORDCOUNT', 'ONLY display the wordcount',
                 ARGS_WWORDCOUNT, show_arg=False, section=5),
+    ArgConstant('--cc', '--charcount', 'display the charcount',
+                ARGS_CHARCOUNT, show_arg_on_shell=False, section=5),
+    ArgConstant('--CC', '--CHARCOUNT', 'ONLY display the charcount',
+                ARGS_CCHARCOUNT, show_arg=False, section=5),
 
     # search and match
     ArgConstant('-g', '--grep', 'only show lines containing queried keywords or patterns',