cat, ls and wc tasks compelted

Author: katarzynakaz

.DS_Store

@@ -0,0 +1,44 @@
+import sys
+from pathlib import Path
+
+def cleanInput(listOfFiles):
+    cleanLinesArr = []
+
+    for file in listOfFiles:
+        grabbedText = Path(file).read_text(encoding="utf-8") 
+        splitLines = grabbedText.split("\n")
+        cleanLinesArr.extend(splitLines) 
+    
+    return cleanLinesArr
+
+args = sys.argv[1:]  
+flag = None
+restIsFiles = []
+
+if len(args) > 0 and args[0] and args[0][0] == "-":
+    flag = args[0]
+    restIsFiles = args[1:]
+else:
+    flag = None
+    restIsFiles = args
+
+def takeSpecifiedAction(cleanLinesArr, flag):
+    countingOnlyFullLines = 1
+
+    for file in cleanLinesArr: 
+        if not flag:
+            print(file)
+        elif flag == "-n":
+            print(f"{countingOnlyFullLines} {file}")
+            countingOnlyFullLines += 1
+        elif flag == "-b":
+            if file == "":
+                print("")
+            else:
+                print(f"{countingOnlyFullLines} {file}")
+                countingOnlyFullLines += 1
+        else:
+            print("incorrect flag")
+
+lines = cleanInput(restIsFiles)
+takeSpecifiedAction(lines, flag)

implement-shell-tools/.DS_Store

@@ -0,0 +1,34 @@
+import sys
+import os
+
+#  `ls -1`
+def showAllFilesInDir(directory):
+    listOfFiles = os.listdir(directory)
+
+    for eachFile in listOfFiles:
+        if eachFile[0] != ".":
+            print(eachFile)
+
+# `ls -1 sample-files`
+def showVisibleInSampleFiles():
+    listOfFiles = os.listdir("sample-files")
+
+    for eachFile in listOfFiles:
+        if eachFile[0] != ".":
+            print(eachFile)
+
+# `ls -1 -a sample-files`
+def showAllInSampleFiles():
+    listOfFiles = os.listdir("sample-files")
+
+    for eachFile in listOfFiles:
+        print(eachFile)
+
+argv = sys.argv[1:]
+
+if "-a" in argv:
+    showAllInSampleFiles()
+elif "sample-files" in argv:
+    showVisibleInSampleFiles()
+else:
+    showAllFilesInDir(".")

implement-shell-tools/cat/cat.py

@@ -0,0 +1,53 @@
+import sys
+from pathlib import Path
+
+def calculateCounts(inputFiles):
+    return {
+        "lines": len(inputFiles.split("\n")) - 1,
+        "words": len(inputFiles.split()),
+        "bytes": len(inputFiles),
+    }
+
+# * `wc -l sample-files/3.txt`
+# * `wc -l sample-files/*`
+def countLines(listOfFiles):
+    for file in listOfFiles:
+        content = Path(file).read_text(encoding="utf-8")
+
+        counts = calculateCounts(content)
+        print(f"{counts['lines']} {file}")
+
+# * `wc -w sample-files/3.txt`
+def countWords(listOfFiles):
+    for file in listOfFiles:
+        content = Path(file).read_text(encoding="utf-8")
+
+        # const wordsCounted = content.split(" ").filter(word => word !== "").length;
+        counts = calculateCounts(content)
+        print(f"{counts['words']} {file}")
+
+# * `wc -c sample-files/3.txt`
+def countBytes(listOfFiles):
+    for file in listOfFiles:
+        content = Path(file).read_text(encoding="utf-8")
+        counts = calculateCounts(content)
+        print(f"{counts['bytes']} {file}")
+
+# * `wc sample-files/*`
+def countAll(listOfFiles):
+    for file in listOfFiles:
+        content = Path(file).read_text(encoding="utf-8")
+        counts = calculateCounts(content)
+        print(f"{counts['lines']} {counts['words']} {counts['bytes']} {file}")
+
+argv = sys.argv[1:]
+files = [arg for arg in argv if not arg.startswith("-")]
+
+if "-l" in argv:
+    countLines(files)
+elif "-w" in argv:
+    countWords(files)
+elif "-c" in argv:
+    countBytes(files)
+else:
+    countAll(files)