msankhala · February 24, 2025 05:44 · Feb 24, 2025
diff --git a/script1-loop.sh b/script1-loop.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+for i in {2..100}; do
+  # Your code to be executed in each iteration goes here
+  echo "Script 1 Iteration: $i"
+  sleep 1
+done
diff --git a/script2-loop.sh b/script2-loop.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+for i in {2..100}; do
+  # Your code to be executed in each iteration goes here
+  echo "Script 2 Iteration: $i"
+  sleep 1
+done
diff --git a/terminal-1-flock-command b/terminal-1-flock-command
@@ -0,0 +1,2 @@
+# Run the script1-loop.sh script in terminal 1 to run script1-loop.sh with a lock using flock.
+flock -n /tmp/mylock.lock bash script1-loop.sh
diff --git a/terminal-2-watch-command b/terminal-2-watch-command
@@ -0,0 +1,3 @@
+# Run the following command in another terminal to watch the output of ps command to print the any script that is using 
+# script.*.sh files.
+watch 'ps -ef | grep -v grep | grep script.*.sh'
diff --git a/terminal-3-flock-command b/terminal-3-flock-command
@@ -0,0 +1,2 @@
+# Run the script2-loop.sh script in terminal 3 to run script1-loop.sh with a lock using flock.
+flock -n /tmp/mylock.lock bash script2-loop.sh
diff --git a/terminal-3-without-flock b/terminal-3-without-flock
@@ -0,0 +1,2 @@
+# Now in terminal 3 run the script2-loop.sh without flock.
+bash script2-loop.sh
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# Run the script1-loop.sh script in terminal 1 to run script1-loop.sh with a lock using flock.
		flock -n /tmp/mylock.lock bash script1-loop.sh
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# Run the script2-loop.sh script in terminal 3 to run script1-loop.sh with a lock using flock.
		flock -n /tmp/mylock.lock bash script2-loop.sh
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# Now in terminal 3 run the script2-loop.sh without flock.
		bash script2-loop.sh