feat(user/bkots):Optimize with GNU Parallel for executing commands

[BK-2020-03.git] / unitproc / bktemplate

diff --git a/unitproc/bktemplate b/unitproc/bktemplate
index 82caf028a01483376b040c3b3186d921225b8361..111cf7df6d77aaab96fcd5df59ffa658b7e7b0ac 100755 (executable)
--- a/unitproc/bktemplate
+++ b/unitproc/bktemplate
@@ -4,9 +4,9 @@
 # Description: Template for bash scripts.
 # Note: Use hide-show-block function to aid readability. (ex: https://www.emacswiki.org/emacs/HideShow ).
 
 # Description: Template for bash scripts.
 # Note: Use hide-show-block function to aid readability. (ex: https://www.emacswiki.org/emacs/HideShow ).
 

-#== Variable Initialization ==
+#==BEGIN Variable Initialization==

 
 

-#== Global constants ==
+#===BEGIN Global constants===

 SCRIPT_TTL=10                   # Limit script life to this in seconds.
 PATH="/usr/local/bin/:$PATH"    # Add user binary executable directory to PATH.
 PATH="/opt/bktei:$PATH"         # Add 'optional' executable directory to PATH.
 SCRIPT_TTL=10                   # Limit script life to this in seconds.
 PATH="/usr/local/bin/:$PATH"    # Add user binary executable directory to PATH.
 PATH="/opt/bktei:$PATH"         # Add 'optional' executable directory to PATH.


@@ -14,15 +14,15 @@ SCRIPT_HOSTNAME=$(hostname)     # Save hostname of system running this script.
 SCRIPT_VERSION="bktemplate.sh 0.0.0" # Define version of script. Used by function 'showVersion'.
 SCRIPT_TIME_SHORT="$(date +%Y%m%dT%H%M%S%z)" # Save current date & time in ISO-8601 format (YYYYmmddTHHMMSS+zzzz).
 SCRIPT_DATE_SHORT="$(date +%Y%m%d)"          # Save current date in ISO-8601 format.
 SCRIPT_VERSION="bktemplate.sh 0.0.0" # Define version of script. Used by function 'showVersion'.
 SCRIPT_TIME_SHORT="$(date +%Y%m%dT%H%M%S%z)" # Save current date & time in ISO-8601 format (YYYYmmddTHHMMSS+zzzz).
 SCRIPT_DATE_SHORT="$(date +%Y%m%d)"          # Save current date in ISO-8601 format.

+#===END Global constants===

 
 

-#==BEGIN Define script parameters
+#===BEGIN Define script parameters

 declare -Ag appRollCall # Associative array for storing app status (function checkapp())
 declare -Ag fileRollCall # Associative array for storing file status (function checkfile())
 declare -Ag appRollCall # Associative array for storing app status (function checkapp())
 declare -Ag fileRollCall # Associative array for storing file status (function checkfile())

-#==END Define script parameters
-
-#== Function Definitions ==
-
+#===END Define script parameters
+#==END Variable Initialization==

 
 

+#==BEGIN Function Definitions==

 yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # Ref/Attrib: https://stackoverflow.com/a/25515370
 die() { yell "$*"; exit 111; }
 try() { "$@" || die "cannot $*"; }
 yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # Ref/Attrib: https://stackoverflow.com/a/25515370
 die() { yell "$*"; exit 111; }
 try() { "$@" || die "cannot $*"; }


@@ -355,7 +355,7 @@ checkapp() {
     #===Process Args===
     for arg in "$@"; do
        #echo "DEBUG:processing arg:$arg"
     #===Process Args===
     for arg in "$@"; do
        #echo "DEBUG:processing arg:$arg"

-       if command -v $arg 1>/dev/null 2>&1; then # Check if arg is a valid command
+       if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command

            appRollCall[$arg]="true";
            #echo "DEBUG:appRollCall[$arg]:"${appRollCall[$arg]}
            if ! [ "$returnState" = "false" ]; then returnState="true"; fi
            appRollCall[$arg]="true";
            #echo "DEBUG:appRollCall[$arg]:"${appRollCall[$arg]}
            if ! [ "$returnState" = "false" ]; then returnState="true"; fi


@@ -408,9 +408,6 @@ checkfile() {
        return 1;
     fi
 } # Check that file exists
        return 1;
     fi
 } # Check that file exists

-
-
-#== Main Program Definition ==

 main() {
     # Usage: main "$@"    # See [1].
     # Input: unspecified (note: all Global Constants declared at beginning of script assumed to be available)
 main() {
     # Usage: main "$@"    # See [1].
     # Input: unspecified (note: all Global Constants declared at beginning of script assumed to be available)


@@ -470,8 +467,10 @@ main() {
     # End function
     vbm "DEBUG:main function ended."
     return 0; # Function finished.
     # End function
     vbm "DEBUG:main function ended."
     return 0; # Function finished.

-}
+} # Main function
+#==END Function Definitions==

 
 

-#== Perform work and exit ==
+#==BEGIN Perform work and exit==

 main "$@" # Run main function.
 exit 0;
 main "$@" # Run main function.
 exit 0;

+#==END Perform work and exit==