From 8ef80b7f3456e0ddf130d7213d62844570b7a54e Mon Sep 17 00:00:00 2001
From: Bradley Allen <allen.bradley@ymail.com>
Date: Sun, 4 Oct 2020 12:57:51 -0500
Subject: [PATCH] investing cluster-command.sh - completion for a script #50

---
 cluster-command/bash_completion/UseGetOpt-2   | 27 ++++++
 cluster-command/bash_completion/UseGetOpt.sh  | 94 +++++++++++++++++++
 cluster-command/bash_completion/file1.txt     |  0
 cluster-command/bash_completion/file2.doc     |  0
 cluster-command/bash_completion/file2.txt     |  0
 cluster-command/bash_completion/file30.txt    |  0
 cluster-command/bash_completion/file4.zzz     |  0
 cluster-command/bash_completion/projectctl    |  4 +
 .../bash_completion/sample_command            |  0
 9 files changed, 125 insertions(+)
 create mode 100644 cluster-command/bash_completion/UseGetOpt-2
 create mode 100755 cluster-command/bash_completion/UseGetOpt.sh
 create mode 100644 cluster-command/bash_completion/file1.txt
 create mode 100644 cluster-command/bash_completion/file2.doc
 create mode 100644 cluster-command/bash_completion/file2.txt
 create mode 100644 cluster-command/bash_completion/file30.txt
 create mode 100644 cluster-command/bash_completion/file4.zzz
 create mode 100755 cluster-command/bash_completion/projectctl
 create mode 100755 cluster-command/bash_completion/sample_command

diff --git a/cluster-command/bash_completion/UseGetOpt-2 b/cluster-command/bash_completion/UseGetOpt-2
new file mode 100644
index 0000000..333af4b
--- /dev/null
+++ b/cluster-command/bash_completion/UseGetOpt-2
@@ -0,0 +1,27 @@
+# file: UseGetOpt-2
+# UseGetOpt-2.sh parameter-completion
+
+_UseGetOpt-2 ()   #  By convention, the function name
+{                 #+ starts with an underscore.
+  local cur
+  # Pointer to current completion word.
+  # By convention, it's named "cur" but this isn't strictly necessary.
+
+  COMPREPLY=()   # Array variable storing the possible completions.
+  cur=${COMP_WORDS[COMP_CWORD]}
+
+  case "$cur" in
+    -*)
+    COMPREPLY=( $( compgen -W '-a -d -f -l -t -h --aoption --debug \
+                               --file --log --test --help --' -- $cur ) );;
+#   Generate the completion matches and load them into $COMPREPLY array.
+#   xx) May add more cases here.
+#   yy)
+#   zz)
+  esac
+
+  return 0
+}
+
+complete -F _UseGetOpt-2 -o filenames ./UseGetOpt-2.sh
+#        ^^ ^^^^^^^^^^^^  Invokes the function _UseGetOpt-2.
diff --git a/cluster-command/bash_completion/UseGetOpt.sh b/cluster-command/bash_completion/UseGetOpt.sh
new file mode 100755
index 0000000..4a5c39e
--- /dev/null
+++ b/cluster-command/bash_completion/UseGetOpt.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+
+#  UseGetOpt-2.sh
+#  Modified version of the script for illustrating tab-expansion
+#+ of command-line options.
+#  See the "Introduction to Tab Expansion" appendix.
+
+#  Possible options: -a -d -f -l -t -h
+#+                   --aoption, --debug --file --log --test -- help --
+
+#  Author of original script: Peggy Russell <prusselltechgroup@gmail.com>
+
+
+# UseGetOpt () {
+  declare inputOptions
+  declare -r E_OPTERR=85
+  declare -r ScriptName=${0##*/}
+  declare -r ShortOpts="adf:hlt"
+  declare -r LongOpts="aoption,debug,file:,help,log,test"
+
+DoSomething () {
+    echo "The function name is '${FUNCNAME}'"
+  }
+
+  inputOptions=$(getopt -o "${ShortOpts}" --long \
+              "${LongOpts}" --name "${ScriptName}" -- "${@}")
+
+  if [[ ($? -ne 0) || ($# -eq 0) ]]; then
+    echo "Usage: ${ScriptName} [-dhlt] {OPTION...}"
+    exit $E_OPTERR
+  fi
+
+  eval set -- "${inputOptions}"
+
+
+  while true; do
+    case "${1}" in
+      --aoption | -a)  # Argument found.
+        echo "Option [$1]"
+        ;;
+
+      --debug | -d)    # Enable informational messages.
+        echo "Option [$1] Debugging enabled"
+        ;;
+
+      --file | -f)     #  Check for optional argument.
+        case "$2" in   #+ Double colon is optional argument.
+          "")          #  Not there.
+              echo "Option [$1] Use default"
+              shift
+              ;;
+
+          *) # Got it
+             echo "Option [$1] Using input [$2]"
+             shift
+             ;;
+
+        esac
+        DoSomething
+        ;;
+
+      --log | -l) # Enable Logging.
+        echo "Option [$1] Logging enabled"
+        ;;
+
+      --test | -t) # Enable testing.
+        echo "Option [$1] Testing enabled"
+        ;;
+
+      --help | -h)
+        echo "Option [$1] Display help"
+        break
+        ;;
+
+      --)   # Done! $# is argument number for "--", $@ is "--"
+        echo "Option [$1] Dash Dash"
+        break
+        ;;
+
+       *)
+        echo "Major internal error!"
+        exit 8
+        ;;
+
+    esac
+    echo "Number of arguments: [$#]"
+    shift
+  done
+
+  shift
+  
+#  }
+
+exit
diff --git a/cluster-command/bash_completion/file1.txt b/cluster-command/bash_completion/file1.txt
new file mode 100644
index 0000000..e69de29
diff --git a/cluster-command/bash_completion/file2.doc b/cluster-command/bash_completion/file2.doc
new file mode 100644
index 0000000..e69de29
diff --git a/cluster-command/bash_completion/file2.txt b/cluster-command/bash_completion/file2.txt
new file mode 100644
index 0000000..e69de29
diff --git a/cluster-command/bash_completion/file30.txt b/cluster-command/bash_completion/file30.txt
new file mode 100644
index 0000000..e69de29
diff --git a/cluster-command/bash_completion/file4.zzz b/cluster-command/bash_completion/file4.zzz
new file mode 100644
index 0000000..e69de29
diff --git a/cluster-command/bash_completion/projectctl b/cluster-command/bash_completion/projectctl
new file mode 100755
index 0000000..fbca4c5
--- /dev/null
+++ b/cluster-command/bash_completion/projectctl
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo "command : $0"
+echo "arguments : $@"
diff --git a/cluster-command/bash_completion/sample_command b/cluster-command/bash_completion/sample_command
new file mode 100755
index 0000000..e69de29