This version handles up to 32-bit long integers. Same, for all visually selected text (v, V, or ^V).ĭisplays 496 (decimal equivalent of hex 1f0).Ĭonverts all "0x" hex numbers to decimal in current line. Example commands:ĭisplays 1f0 (hex equivalent of decimal 496).Ĭonverts all decimal numbers to hex in current line. When using a visual block (selection starts with Ctrl-V, or Ctrl-Q if Ctrl-V is used for paste), only numbers inside the block are converted. A visual selection (character, line, or block) can also specify a range. If no argument is entered with these commands, a range may be specified. A decimal number is a word consisting only of decimal digits, while a hex number consists of "0x" followed by one or more hex digits. The above defines user commands :Dec2hex and :Hex2dec that will either display the result of converting a number that you enter, or will convert all numbers in selected text. You can convert a number entered on the command line, or all numbers in selected text.Ĭommand! -nargs=? -range Dec2hex call s:Dec2hex(,, '')įunction! s:Dec2hex(line1, line2, arg) range Put the following in your vimrc to define user commands to convert between hex and decimal. Nnoremap \p :if exists('Value')normal i=Value:endif With these mappings, \h will yank a hex value, and \p will paste the decimal string:
Nnoremap \h :let you can use a global variable to avoid using a register. You can then move the cursor elsewhere and press p to paste the decimal value. With the following mapping, you can put the cursor on a hex number and press \h (assuming the default backslash leader) to yank the value of the hex number (using :let means the equivalent decimal string is copied). The following convert decimal numbers to hex strings.ĭecimal word under cursor (press Ctrl-R Ctrl-W) Hex word under cursor (press Ctrl-R Ctrl-W) The first shows that adding zero to a string converts the string to a number. The following commands illustrate other simple techniques to convert strings to numbers which are displayed in decimal (the :echo is just for illustration these techniques would be used in a script). In normal mode, type ga to display the decimal and hex values for the character under the cursor, or type g8 to display the hex bytes for a UTF-8 character. The value of the expression is inserted, and you will remain in insert mode.
In insert mode, press Ctrl-R then = then the expression wanted, then press Enter. In addition, the expression register can be used to enter converted numbers while typing. That will execute :echo 0x12345 which displays 74565 (decimal equivalent of hex 12345).Īn example of converting decimal to hex would be to enter :echo printf('%x',74565) which displays 12345 (hex equivalent of decimal 74565).
In Vim, put the cursor on 0x12345 and type :echo then Space Ctrl-R Ctrl-W Enter. Occasional conversions can be performed by entering commands.
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