arr

4 years ago · 9ae03df6c8
4 changed files with 331 additions and 249 deletions
--- a/index-lab.adoc
+++ b/index-lab.adoc
@ -71,7 +71,7 @@ TIP: Absolute basics

 === http://docs.swarmlab.io/SwarmLab-HowTos/labs/ls/array-1_ls.adoc.html[Bash - Associative array examples^] 

-=== http://docs.swarmlab.io/SwarmLab-HowTos/labs/ls/heredocs_ls.adoc.html[Bash - variable indirect expansion^] 
+=== http://docs.swarmlab.io/SwarmLab-HowTos/labs/ls/heredocs_ls.adoc.html[Bash - Heredocs, Positional Parameters^] 


 :hardbreaks:
--- a/index-lab.adoc.html
+++ b/index-lab.adoc.html
@ -465,7 +465,7 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b
 <li><a href="#_the_proc_filesystem">2.2. The proc filesystem</a></li>
 <li><a href="#_vim_a_simple_workflow_example_with_the_vim_editor">2.3. VIM - A simple workflow example with the vim editor</a></li>
 <li><a href="#_bash_associative_array_examples">2.4. Bash - Associative array examples</a></li>
-<li><a href="#_bash_variable_indirect_expansion">2.5. Bash - variable indirect expansion</a></li>
+<li><a href="#_bash_heredocs_positional_parameters">2.5. Bash - Heredocs, Positional Parameters</a></li>
 </ul>
 </li>
 <li><a href="#_internet_of_things_iot">3. Internet of things (IoT)</a>
@ -587,7 +587,7 @@ Absolute basics

 </div>
 <div class="sect2">
-<h3 id="_bash_variable_indirect_expansion">2.5. <a href="http://docs.swarmlab.io/SwarmLab-HowTos/labs/ls/heredocs_ls.adoc.html" target="_blank" rel="noopener">Bash - variable indirect expansion</a></h3>
+<h3 id="_bash_heredocs_positional_parameters">2.5. <a href="http://docs.swarmlab.io/SwarmLab-HowTos/labs/ls/heredocs_ls.adoc.html" target="_blank" rel="noopener">Bash - Heredocs, Positional Parameters</a></h3>
 <div class="paragraph">
 <p><br>
 <br>
@ -921,7 +921,7 @@ This tutorial demonstrates some common <strong>nmap</strong> port scanning scena
 </div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2020-11-30 22:42:40 UTC
+Last updated 2020-11-30 23:05:42 UTC
 </div>
 </div>
 </body>
--- a/index-lab.adoc.pdf
+++ b/index-lab.adoc.pdf
@ -6,8 +6,8 @@
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 %%EOF
--- a/labs/ls/heredocs_ls.adoc
+++ b/labs/ls/heredocs_ls.adoc
@ -25,7 +25,6 @@ Assuming you're already logged in

 == heredoc

-
 ===  Exercise

 [source,bash]
@ -64,9 +63,25 @@ done
 echo ""
 echo ""

+
+cat << FOE > testfile.sh
+
+declare -A array=(
+  [1,0]="first name"
+  [1,1]="second name"
+  [2,0]="third name"
+  [3,0]="foo bar"
+  [test 1]="test bar"
+  )
+EOF
+)
+
 ----


+
+
+
 === expansion

 [source,bash]
@ -76,3 +91,70 @@ win="real_fc"              # $win is "real_fc"
 echo "${!win}"             # we print the variable linked by $win's content
 ----

+== Bash Positional Parameters
+
+- vim testvar.sh
+- cut-paste
+- chmod +x ./testvar.sh
+- ./testvar.sh a1 a2 a3 a4 a5 a6 a7 a8 a9 10 11 12 13
+
+
+[source,bash]
+----
+
+echo  $#
+echo  $@
+echo  $?
+
+
+cat <<'EOF'
+$# = number of arguments.
+$@ = what parameters were passed. 
+$* = what parameters were passed. 
+$? = was last command successful. Answer is 0 which means 'yes'
+EOF
+
+
+
+cat << FOE > testfile.sh
+#!/bin/bash
+RUSER=$1
+ID=$2
+SERVICE=$3
+SERVICE_STACK=$4
+VNCport=$5
+RREPLICAS=$6
+RREGION=$7
+TTYport=$8
+PASSWORDrw=$9
+PASSWORDview=${10}
+GIT_TUTOR=${11}
+REBOOT=${12}
+USERscope=${13}
+FOE
+chmod +x ./testfile.sh
+
+#./testfile.sh
+#
+cat << 'FOE' > testfile1.sh
+#!/bin/bash
+RUSER=$1
+ID=$2
+SERVICE=$3
+SERVICE_STACK=$4
+VNCport=$5
+RREPLICAS=$6
+RREGION=$7
+TTYport=$8
+PASSWORDrw=$9
+PASSWORDview=${10}
+GIT_TUTOR=${11}
+REBOOT=${12}
+USERscope=${13}
+FOE
+chmod +x ./testfile1.sh
+
+----
+
+== extras
+