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

[BK-2020-03.git] / unitproc / bktemp-checkMakeTar

diff --git a/unitproc/bktemp-checkMakeTar b/unitproc/bktemp-checkMakeTar
index bde07d81b0509a43add5aadda346b9d471829017..07cec787b146360fefc30b004f2abdc5fcfa95b8 100644 (file)
--- a/unitproc/bktemp-checkMakeTar
+++ b/unitproc/bktemp-checkMakeTar
@@ -1,43 +1,40 @@
 #!/bin/bash
-
 # Desc: Checks that a valid tar archive exists, creates one otherwise
 
-
+#===BEGIN Declare local script functions===
 yell() { echo "$0: $*" >&2; }      #o Yell, Die, Try Three-Fingered Claw technique
 die() { yell "$*"; exit 111; }     #o Ref/Attrib: https://stackoverflow.com/a/25515370
 try() { "$@" || die "cannot $*"; } #o
-
-#===BEGIN Declare local script functions===
 checkMakeTar() {
     # Desc: Checks that a valid tar archive exists, creates one otherwise
     # Usage: checkMakeTar [ path ]
-    # Version: 1.0.0
+    # Version: 1.0.2
     # Input: arg1: path of tar archive
     # Output: exit code 0 : tar readable
     #         exit code 1 : tar missing; created
     #         exit code 2 : tar not readable; moved; replaced
-    # Depends: try, tar, date
-    local PATH_TAR returnFlag0 returnFlag1 returnFlag2
-    PATH_TAR="$1"
+    # Depends: bash 5, date 8, tar 1, try()
+    local pathTar returnFlag0 returnFlag1 returnFlag2
+    pathTar="$1";
 
     # Check if file is a valid tar archive
-    if tar --list --file="$PATH_TAR" 1>/dev/null 2>&1; then
+    if tar --list --file="$pathTar" 1>/dev/null 2>&1; then
        ## T1: return success
        returnFlag0="tar valid";
     else
        ## F1: Check if file exists
-       if [[ -f "$PATH_TAR" ]]; then
+       if [[ -f "$pathTar" ]]; then
            ### T: Rename file
-           try mv "$PATH_TAR" "$PATH_TAR""--broken--""$(date +%Y%m%dT%H%M%S)" && \
+           try mv "$pathTar" "$pathTar""--broken--""$(date +%Y%m%dT%H%M%S)" && \
                returnFlag1="tar moved";
        else
            ### F: -
            :
-       fi
+       fi;
        ## F2: Create tar archive, return 0
-       try tar --create --file="$PATH_TAR" --files-from=/dev/null && \
+       try tar --create --file="$pathTar" --files-from=/dev/null && \
            returnFlag2="tar created";
-    fi
+    fi;
     
     # Determine function return code
     if [[ "$returnFlag0" = "tar valid" ]]; then
@@ -46,7 +43,7 @@ checkMakeTar() {
        return 1; # tar missing so created
     elif [[ "$returnFlag2" = "tar created" ]] && [[ "$returnFlag1" = "tar moved" ]]; then
        return 2; # tar not readable so moved; replaced
-    fi
+    fi;
 } # checks if arg1 is tar; creates one otherwise
 #===END Declare local script functions===
 
@@ -68,3 +65,6 @@ else
     ls -l "$myFile";
 fi
 #====END sample code====
+
+# Author: Steven Baltakatei Sandoval
+# License: GPLv3+