Bash script (bashmap): a function to complement bash without hashmap __ function

@2013/7/19

-Add the bashmap_clear command to delete the key or empty the entire map. Step 1: Add the function to the bash script (or. bashrc)

# for Bashmap {# echo MD5 code for $ MD5 () {if [x "$ = = X"] then echo "" Else echo "| Md5sum-|
Cut-c 1-32 fi} # Usage # > Bashmap "Key" "Value" # set Map[key] = value.

  # > Bashmap "key" # Print Map[key] Bashmap () {wx_bashmap_prefix= "BASHMAP_" Export Wx_bashmap_prefix
  md5key=$ (eval "MD5") case "$#" in 1) eval "echo \$ $WX _bashmap_prefix$md5key";;
  2) eval "Export $WX _bashmap_prefix$md5key= ' $ '";;
  * echo ' Usage: ' echo ' bashmap ' key ' ' value ' ' echo ' bashmap ' key '; ESAC} # Usage: #    > bashmap_clear      # Clear all map items #    > Bashmap_c Lear key  # clear a map time by Key Bashmap_clear () {  wx_bashmap_prefix= "BASHMAP_"   export WX_BASHMAP_PR Efix   Case "$#" in   0)     to Env in $ (set | grep "^ $WX _bashmap_prefix" | cut-d ' = '-f1)   & nbsp Do       unset $env   &nbsP
Done    ;;
  1)     md5key=$ (eval "MD5 '")     unset $WX _bashmap_prefix$md5key    ;;
   ESAC} # for Bashmap}

Step 2: Use Bashmap to set Key:value

> Bashmap a ' value for A '

> Bashmap b ' value for B '

> Bashmap "a B" "value for a B"

Step 3: The utility Bashmap obtains the key corresponding value, if does not have the default key then returns the empty string ""

> Bashmap a
value for a

> Bashmap b
value for b

> bashmap "A B"
value for a B

Step 4: Delete the specified key

> bashmap_clear "B"

Step 5: Empty the map

> Bashmap_clear

Have fun! :)