oopsie

help.h

@@ -1,6 +1,7 @@
 const char *VHELP =\
 ":  monadic const         create a function that always yields x" "\n"\
 ":  dyadic  bind          bind y to symbol x" "\n"\
+":: monadic unbind        unbind symbol x" "\n"\
 ":: dyadic  obverse       insert inverse for x" "\n"\
 "+  monadic flip          transpose matrix" "\n"\
 "+  dyadic  plus          add numbers" "\n"\
@@ -57,7 +58,8 @@ const char *VHELP =\
 ">: dyadic  nudgeright    shift elts of y to the right filling gap with x" "\n"\
 ",  monadic enlist        put x into 1-elt array" "\n"\
 ",  dyadic  join          concat x and y" "\n"\
-",. monadic enfile        ame as , enlist but with infinite rank, ,.1 2 3 is (,1),:(,2),:(,3)" "\n"\
+",. monadic enfile        same as , enlist but with infinite rank, ,.1 2 3 is (,1),:(,2),:(,3)" "\n"\
+",. dyadic  enpair        put x and y into 2-elt array" "\n"\
 "#  monadic count         yield count of elts of x" "\n"\
 "#  dyadic  take          take x first elts of y (or last if x < 0)" "\n"\
 "#. monadic where         #.0 0 1 0 1 0 is 2 4" "\n"\
@@ -83,10 +85,13 @@ const char *VHELP =\
 "@  monadic abs           |x|" "\n"\
 "@  dyadic  at            pick elts from x by indices from y" "\n"\
 "@. monadic shuffle       shuffle elts of x" "\n"\
-"@. dyadicn member        check whether x is in y" "\n"\
+"@. dyadic  member        check whether x is in y" "\n"\
+"@: monadic infix         shortcut for }{:" "\n"\
+"@: dyadic  indexof       yield index of x in y or #y if x not in y" "\n"\
 "{  monadic head          first two elts of x, same as 2#" "\n"\
 "{  dyadic  bin           bin search, e.g. 1 3 5 7 9{8 9 0 yields 3 4 -1" "\n"\
 "{. monadic tail          last elt of x" "\n"\
+"{. dyadic  cut           1 3{.!.5 yields 2 3,:4 5" "\n"\
 "{: monadic prefixes      prefixes of x, same as |}.\\." "\n"\
 "{: dyadic  shl           x << y" "\n"\
 "}  monadic behead        all elts of x except first, same as 1_" "\n"\
@@ -119,10 +124,12 @@ const char *VHELP =\
 "";
 
 const char *V2HELP =\
+"d. dyadic  delete        delete elt from y by index x" "\n"\
 "p. monadic print         print x" "\n"\
 "P. monadic println       print x and a \\n" "\n"\
-"f. monadic selfref1      monadic reference to current function or rhs of bind" "\n"\
+"c. monadic putch         print char x" "\n"\
-"f. dyadic  selfref2      dyadic reference to current function or rhs of bind" "\n"\
+"s. monadic selfref1      monadic reference to current function or rhs of bind" "\n"\
+"s. dyadic  selfref2      dyadic reference to current function or rhs of bind" "\n"\
 "F. monadic read          read file (x=0 to read stdin)" "\n"\
 "F. dyadic  write         write file (y=0 to write to stderr)" "\n"\
 "t. monadic type          type of x, array=0, verb=1, symbol=2, number=3, char=4, nil=5, udf=6" "\n"\
@@ -130,40 +137,48 @@ const char *V2HELP =\
 "r. dyadic  roll          roll xdy (note: y is 0-based, so >xr.y for 1-based)" "\n"\
 "e. monadic eval          eval expression, yields udf on parse error" "\n"\
 "i. monadic import        load and eval source file" "\n"\
+"i. dyadic  foreign       call external function (lhs is array of arguments), e.g. .5i.'libm.so:dd:sin'" "\n"\
 "y. monadic system        exec system command (yields output)" "\n"\
 "y. dyadic  system2       exec system command with input" "\n"\
 "E. monadic exit          exit with exit code" "\n"\
+"L. monadic lines         shortcut for (4t.10)]:" "\n"\
+"L. dyadic  tackleft      prepend x to y" "\n"\
+"R. dyadic  tackright     append x to y" "\n"\
+"v. monadic value         get value of var x (udf if not defined)" "\n"\
+"x. monadic show          identity for strings, same as $ repr for other" "\n"\
+"x. dyadic  rematch       match str y with regex (PCRE) x" "\n"\
+"X. dyadic  extract       extract all matches of regex x from y" "\n"\
 "";
 
 const char *AHELP =\
-"f\"       each          >\"1 2 3 yields 2 3 4" "\n"\
+"f\"         each          >\"1 2 3 yields 2 3 4" "\n"\
-"xf\"      merge         1 2 3,\"a b c yields (1,.a),:(2,.b),:(3,.c)" "\n"\
+"xf\"        merge         1 2 3,\"a b c yields (1,.a),:(2,.b),:(3,.c)" "\n"\
-"f\".      eachprior     -\".1 2 2 3 5 6 yields 1 0 1 2 1" "\n"\
+"f\".        eachprior     -\".1 2 2 3 5 6 yields 1 0 1 2 1" "\n"\
-"xf\".     eachpriorwith 0-\".1 2 2 3 5 6 yields 1 1 0 1 2 1" "\n"\
+"xf\".       eachpriorwith 0-\".1 2 2 3 5 6 yields 1 1 0 1 2 1" "\n"\
-"f/       fold          +/1 2 3 yields 6" "\n"\
+"f/         fold          +/1 2 3 yields 6" "\n"\
-"xf/      foldwith      1+/1 2 3 yields 7" "\n"\
+"xf/        foldwith      1+/1 2 3 yields 7" "\n"\
-"f\\       scan          +\\1 2 3 yields 1 3 6" "\n"\
+"f\\         scan          +\\1 2 3 yields 1 3 6" "\n"\
-"xf\\      scanwith      1+\\1 2 3 yields 1 2 4 7" "\n"\
+"xf\\        scanwith      1+\\1 2 3 yields 1 2 4 7" "\n"\
-"f/.      converge      1;_/.1 2 3 yields ()" "\n"\
+"f/.        converge      1;_/.1 2 3 yields ()" "\n"\
-"f\\.      converges     1;_\\.1 2 3 yields 1 2 3,:2 3,:(,3),:()" "\n"\
+"f\\.        converges     1;_\\.1 2 3 yields 1 2 3,:2 3,:(,3),:()" "\n"\
-"xf/.     eachright     1-/.1 2 3 yields 0 1 2" "\n"\
+"xf/.       eachright     1-/.1 2 3 yields 0 1 2" "\n"\
-"xf\\.     eachleft      1-\\.1 2 3 yields 0 -1 -2" "\n"\
+"xf\\.       eachleft      1-\\.1 2 3 yields 0 -1 -2" "\n"\
-"f\":      rank          #\":1 2 3$1 yields 3 3, #\":inf 2 3$1 yields 1 1 1,:1 1 1" "\n"\
+"f\":        rank          #\":1 2 3$1 yields 3 3, #\":inf 2 3$1 yields 1 1 1,:1 1 1" "\n"\
-"xf\":     rank          1 2 3 *:\":1 1 2 3 yields (,1),:2 2,:3 3 3" "\n"\
+"xf\":       rank2         1 2 3 *:\":1 1 2 3 yields (,1),:2 2,:3 3 3" "\n"\
-"n`       amend         'gw'0 3`'cross' yields 'grows'" "\n"\
+"n`         amend         'gw'0 3`'cross' yields 'grows'" "\n"\
-"f&.      filter        >;0&.-2!.2 yields 1 2, basically shortcut for ]#.f" "\n"\
+"f&.        filter        >;0&.-2!.2 yields 1 2, basically shortcut for ]#.f" "\n"\
-"f/:      span          =;' '/:'x y z' yields (,'x'),:(,'y'),:(,'z')" "\n"\
+"f/:        span          =;' '/:'x y z' yields (,'x'),:(,'y'),:(,'z')" "\n"\
-"xf/:     stencil       3+//:!10 yields 3 6 9 12 15 18 21 24, shortcut for f\"x|:" "\n"\
+"xf/:       stencil       3+//:!10 yields 3 6 9 12 15 18 21 24, shortcut for f\"x|:" "\n"\
-"f;.      reflex        *;.5 yields 25, 5%;.2 yields 0.4" "\n"\
+"f;.        reflex        *;.5 yields 25, 5%;.2 yields 0.4" "\n"\
 "";
-
 const char *CHELP =\
-"f;g      bond      */;!.5 yields 120, +;1 5 yields 6, 5;- 1 yields 4" "\n"\
+"f;g        bond          */;!.5 yields 120, +;1 5 yields 6, 5;- 1 yields 4" "\n"\
-"f?.x     pick      >;5?.((2*),:<)\"3 6 yields 6 5" "\n"\
+"f?.x       pick          >;5?.((2*),:<)\"3 6 yields 6 5" "\n"\
-"f?:F     while     <;5?:>0 yields 5" "\n"\
+"f?:F       while         <;5?:>0 yields 5" "\n"\
-"n?:f     repeat    5?:*;2 1 yields 32" "\n"\
+"n?:f       repeat        5?:*;2 1 yields 32" "\n"\
-"f&:F     if        1+&:+2 yields 2" "\n"\
+"a\\:f       collect       same as while/repeat, but yields array of intermediate iterations" "\n"\
-"f;:F     monaddyad -;:+5 yields -5, 1-;:+5 yields 6" "\n"\
+"f&:F       if            1+&:+2 yields 2" "\n"\
+"f;:F       monaddyad     -;:+5 yields -5, 1-;:+5 yields 6" "\n"\
 "";
 
 const char *IHELP =\
@@ -171,10 +186,10 @@ const char *IHELP =\
 "\n"\
 "f::~f  obverse  define inverse ~f for f" "\n"\
 "\n"\
-"f-:x   inverse  ~fx" "\n"\
+"f-:x       inverse       ~fx" "\n"\
-"xf-:y  inverse  (~fx)~f~fx" "\n"\
+"xf-:y      inverse2      (~fx)~f~fx" "\n"\
-"f^:Fx  under    ~FfFx" "\n"\
+"f^:Fx      under         ~FfFx" "\n"\
-"xf^:Fx under    ~F(Fx)f(Fx)" "\n"\
+"xf^:Fx     under2        ~F(Fx)f(Fx)" "\n"\
 "";
 
 const char *SHELP =\
@@ -185,6 +200,9 @@ const char *SHELP =\
 "'a'%2                     / = nan, nan used to denote illegal numeric operation" "\n"\
 "+1 2 3                    / = udf, attempt to transpose flat vector, udf/undefined used to denote illegal operation" "\n"\
 "5 5.5 -5 42               / number (double-precision floats)" "\n"\
+"1`000 1`000`000           /" "\n"\
+".5 .429                   /" "\n"\
+"0xff 0o4 0b0101           /" "\n"\
 "nan inf                   /" "\n"\
 "'a' 'b' 'g'               / chars (bytes)" "\n"\
 "4t.0                      / 0 NUL byte" "\n"\