l1

lab1/1.bash

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+find "$1" -type f

lab1/2.bash

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+grep -Roh '\w*' "$1" | sort | uniq -c | sort -nr

lab1/3.bash

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+for word in $(grep -Roh '\w*' "$1" | sort | uniq)
+do
+    echo "$(grep -lRw "$word" "$1" | wc -l) $word"
+done | sort -r

lab1/4.bash

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+  
+for word in $(grep -Roh '\w*' "$1" | sort | uniq)
+do
+    echo "current word: $word"
+    grep -Rw "$word" "$1"
+done

lab1/5.bash

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+find "$1" -type f -print0 | xargs -0 sed -i "s/a/A/g"

lab1/6.bash

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+for word in $(grep -Roh '\w*' "$1" | sort | uniq)
+do
+    echo "current word: $word"
+    grep -RE "($word.*){2}" "$1"
+done