kmx.io/kv/README.md

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• Hash : f5e5a6d2
  Author : Thomas de Grivel
  Date : 2021-12-30T10:02:11
  

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     KV : SP* K SP* ':' SP* V SP*

     M1 : KV (',' KV)* ','? SP*

     M2 : SP* '{' M1 '}' SP*

     M3 : SP*

      M : M2 | M1 | M3

K1 = V1 : [^{}:"\s]+

K2 = V2 : '"' [^"]+ '"'

K3 = V3 : """ .*? """

K4 = V4 : "<<" D \s .*? D

     V5 : M2

      K : K1 | K2 | K3 | K4
      
      V : V1 | V2 | V3 | V4 | V5

Usage:
  kv INPUT <<EOF
A
B B1
C C1 C2
EOF

Will output concatenated values of INPUT for keys A, B.B1 and C.C1.C2.

  kv -quote < INPUT

Will quote INPUT according to (K1 | K2 | K3 | K4) whichever is best.

Source

• README.md

• # kv 1.0
  
  
  ## Specification
  
  ```
       KV : SP* K SP* ':' SP* V SP*
  
       M1 : KV (',' KV)* ','? SP*
  
       M2 : SP* '{' M1 '}' SP*
  
       M3 : SP*
  
        M : M2 | M1 | M3
  
  K1 = V1 : [^{}:"\s]+
  
  K2 = V2 : '"' [^"]+ '"'
  
  K3 = V3 : """ .*? """
  
  K4 = V4 : "<<" D \s .*? D
  
       V5 : M2
  
        K : K1 | K2 | K3 | K4
        
        V : V1 | V2 | V3 | V4 | V5
  ```
  
  
  ## Parser
  
  The parser will emit events for KV.
  
  
  ## Command line interface
  
  ```
  Usage:
    kv INPUT <<EOF
  A
  B B1
  C C1 C2
  EOF
  
  Will output concatenated values of INPUT for keys A, B.B1 and C.C1.C2.
  
    kv -quote < INPUT
  
  Will quote INPUT according to (K1 | K2 | K3 | K4) whichever is best.
  ```
  
  
  ## Reference implementation
  
  The reference implementation of kv is implemented in ANSI C.
  
  
  ## Other implementations
  
  ### TODO
  
   - Common Lisp
   - Elixir
   - Go
   - Python
   - Ruby
   - Rust
   - Java
   - Javascript
  

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