more jsonDB exmples with bash assoc array

doc/6_reference.md

@@ -484,7 +484,7 @@ wWrite content of given ARRAY into file.  ARRAY name must be delared with "decla
 declare -A  WRITEVALUES
 
 WRITEVALUES["value1"]="example"
-WRITEVALUES["value2"]="an other value"
+WRITEVALUES["value2"]="a value"
 WRITEVALUES["whynot","subindex1"]="whynot A"
 WRITEVALUES["whynot","subindex2"]="whynot B"
 WRITEVALUES["whynot","subindex2","text"]="This is an example content for pseudo multidimensional bash array"
@@ -498,7 +498,7 @@ jssh_writeDB "WRITEVALUES" "${DATADIR:-}/myvalues"
 # show whats written
 cat "${DATADIR:-}/myvalues.jssh"
 ["value1"]	"example"
-["value2"]	"an other value"
+["value2"]	"a value"
 ["whynot","subindex2","text"]	"This is an example content for pseudo multidimensional bash array"
 ["whynot","subindex2"]	"whynot B"
 ["whynot","subindex1"]	"whynot A"```
@@ -523,17 +523,42 @@ jssh_readDB "READVALUES" "${DATADIR:-}/myvalues"
 # sinple command to output values ONLY
 printf "${READVALUES[*]}"
 
-# output key and value in a loop
-for x in "${!READVALUES[@]}"; do printf "[%s]=%s\n" "$x" "${READVALUES[$x]}" ; done
 
-[value1]=example
-[value2]=an other value
-[whynot,subindex2,text]=This is an example content for pseudo multidimensional bash array
-[whynot,subindex2]=whynot B
-[whynot,subindex1]=whynot A
-[whynot,subindex]=value3
+# function to output key and value
+printarr() { declare -n __p="$1"; for k in "${!__p[@]}"; do printf "%s=%s\n" "$k" "${__p[$k]}" ; done ;  } 
+
+printarr READVALUES
+value1=example
+value2=a value
+whynot,subindex2,text=This is an example content for pseudo multidimensional bash array
+whynot,subindex2=whynot B
+whynot,subindex1=whynot A
+
+
+# access Arrray
+echo "${READVALUES[vaule2]}"
+a value
+
+# change / add values
+READVALUES["value2"]="this is a changed value"
+
+echo "${READVALUES[vaule2]}"
+this is a changed value
+
+READVALUES["value3"]="new value"
+READVALUES[whynot,subindex3]="new subindex value"
+
+# new output
+printarr READVALUES
+value1=example
+value2=this is a changed value
+whynot,subindex2,text=This is an example content for pseudo multidimensional bash array
+whynot,subindex3=new subindex value
+whynot,subindex2=whynot B
+whynot,subindex1=whynot A
 ```
-
+https://linuxhint.com/associative_array_bash/
+https://linuxconfig.org/how-to-use-arrays-in-bash-script
 
 
 ### Aliases - shortcuts for often used funtions