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dc: correct --help text

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before:

    Tiny RPN calculator. Operations:
    +, -, *, /, %, ~, ^, |,
    p - print top of the stack without popping
    f - print entire stack
    k - pop the value and set the precision
    i - pop the value and set input radix
    o - pop the value and set output radix

After:

    Tiny RPN calculator. Operations:
    Arithmetic: + - * / % ^
    ~ - divide with remainder
    | - modular exponentiation
    v - square root
    p - print top of the stack without popping
    f - print entire stack
    k - pop the value and set precision
    i - pop the value and set input radix
    o - pop the value and set output radix

function                                             old     new   delta
packed_usage                                       33519   33565     +46

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2021-02-26 13:26:48 +01:00
parent 1f9ed02caf
commit 3d88cc1d37
1 changed files with 44 additions and 2 deletions
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46
miscutils/bc.c
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@ -138,11 +138,53 @@
//usage:
//usage:#define dc_full_usage "\n"
//usage: "\nTiny RPN calculator. Operations:"
//usage: "\n+, -, *, /, %, ~, ^," IF_FEATURE_DC_BIG(" |,")
//usage: "\nArithmetic: + - * / % ^"
//usage: IF_FEATURE_DC_BIG(
//usage: "\n~ - divide with remainder"
//usage: "\n| - modular exponentiation"
//usage: "\nv - square root"
//////// "\n_NNN - push neagtive number -NNN
//////// "\n[string] - push string
//////// "\nR - DC_LEX_POP pop and discard
//////// "\nc - DC_LEX_CLEAR_STACK clear stack
//////// "\nd - DC_LEX_DUPLICATE pop, push, push
//////// "\nr - DC_LEX_SWAP pop 1, pop 2, push 1, push 2
//////// "\n:r - DC_LEX_COLON pop index, pop value, store to array 'r'
//////// "\n;r - DC_LEX_SCOLON pop index, fetch from array 'r', push
//////// "\nLr - DC_LEX_LOAD_PO, pop register 'r', push
//////// "\nSr - DC_LEX_STORE_PUSH pop, push to register 'r'
//////// "\nlr - DC_LEX_LOAD read register 'r', push
//////// "\nsr - DC_LEX_OP_ASSIGN pop, assign to register 'r'
//////// "\n? - DC_LEX_READ read line and execute
//////// "\nx - DC_LEX_EXECUTE pop string and execute
//////// "\n<r - XC_LEX_OP_REL_GT pop, pop, execute register 'r' if top-of-stack was greater
//////// "\n>r - XC_LEX_OP_REL_LT pop, pop, execute register 'r' if top-of-stack was less
//////// "\n=r - XC_LEX_OP_REL_EQ pop, pop, execute register 'r' if equal
//////// "\n!<r !>r !=r - negated forms
//////// "\ne - DC_LEX_ELSE >tef: "if greater execute 't' else execute 'f'"
//////// "\nQ - DC_LEX_NQUIT pop, "break N" from macro invocations
//////// "\nq - DC_LEX_QUIT "break 2" (if less than 2 levels of macros, exit dc)
//////// "\nX - DC_LEX_SCALE_FACTOR pop, push number of fractional digits
//////// "\nZ - DC_LEX_LENGTH pop, push number of digits it has (or number of characters in string)
//////// "\na - DC_LEX_ASCIIFY pop, push low-order byte as char or 1st string char
//////// "\n( - DC_LEX_LPAREN ?
//////// "\n{ - DC_LEX_LBRACE ?
//////// "\n_ - XC_LEX_NEG (not a command - starts negative number)
//////// "\nG - DC_LEX_EQ_NO_REG (? GNU dc has no such cmd)
//////// "\nN - DC_LEX_OP_BOOL_NOT (? GNU dc has no such cmd)
//////// "\nn - DC_LEX_PRINT_POP pop, print without newline
//////// "\nP - DC_LEX_PRINT_STREAM pop, print string or hex bytes
//usage: )
//usage: "\np - print top of the stack without popping"
//usage: "\nf - print entire stack"
//usage: "\nk - pop the value and set the precision"
//////// "\nz - DC_LEX_STACK_LEVEL push stack depth
//////// "\nK - DC_LEX_SCALE push precision
//////// "\nI - DC_LEX_IBASE push input radix
//////// "\nO - DC_LEX_OBASE push output radix
//usage: IF_FEATURE_DC_BIG(
//usage: "\nk - pop the value and set precision"
//usage: "\ni - pop the value and set input radix"
//usage: )
//usage: "\no - pop the value and set output radix"
//usage: "\nExamples: dc -e'2 2 + p' -> 4, dc -e'8 8 * 2 2 + / p' -> 16"
//usage: