1.     #!/usr/bin/env  aspl 
2.     #ENVARG= -wsname TRANSIENT -groupingclass POSIX
3.     
4.     ;;***********************************************************************
5.     ;;   monitordir.aspl
6.     ;;   
7.     ;;   Copyright © 2021-2025 Bassem W. Jamaleddine
8.     ;;   All rights reserved.
9.     ;;   
10.    ;;***********************************************************************
11.    
12.    endScriptIfShellArgsLessThan 2
13.    
14.    printblock MONITORING DIRECTORY $1 $2 TIMES WITH DELAY OF $3 SECONDS
15.    mydir = ggdir(dir,$1)
16.    sleep 2
17.    ?$2,$3 mydir
18.    @ mydir
19.    intermittentarc 1
20.    printblock PLAY INTERMITTENT CHANGES IN DIRECTORY $1
21.    playchanges mydir
22.    printblock SHOW SIMILARITY BETWEEN INTERMITTENT CHANGES
23.    playsim sim`fflz mydir
24.    printblock PLAY INTERMITTENTLY THE UNION WHERE CHANGES ARE DETECTED 
25.    playop ,gD,`ks~  mydir
26.    printblock PLAY INTERMITTENTLY THE UNION WHERE CHANGES ARE DETECTED 
27.    playop ,gU`ks~  mydir
28.    printblock SHOW THE UNION OF ALL INSTANCES AT ONCE
29.    ,gU  @mydir
30.    
31.    ;; Show basic changes in elements and subdirectories WITHOUT attributes
32.    playop ,gD mydir
33.    
34.    ;; of course you can select the desirec attributes by using ks 
35.    ;; ks uid gid mtime chksum ppdd ffl aelm
36.    
37.    printblock SHOW CHANGES IN THE DIFFERENTIAL GROUP VARIABLE mydir
38.    ,f@`ks~  mydir
39.    ,d@`ks~  mydir
40.    ,g@`ks~  mydir
41.    
42.    ;;intermittentarc 1
43.    ;;playop ,gU`ks~  mydir
44.    
45.    ;;intermittentcontinuous 1
46.    ;;playop ,gU  mydir
47.    ;;playop ,gU`ks~ mydir
48.    ;;playop ,gU`c~  mydir
49.    
50.    endscript
51.    
52.    __END__
53.    
54.    $00 must be followed by three arguments: directory-to-monitor  iterations 
      seconds 
55.    
56.       Monitor directory /tmp/aaaa1 looping 7 times with 4 seconds delay
57.          $00 "/tmp/aaaa1"  7  4