bits_shl.md

title	categories	version	bits	usage
bits shl	bits	0.86.0	Bitwise shift left for ints.	Bitwise shift left for ints.

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Signature

> bits shl {flags} (bits)

Flags

• --signed, -s: always treat input number as a signed number
• --number-bytes, -n {string}: the word size in number of bytes, it can be 1, 2, 4, 8, auto, default value 8

Parameters

• bits: number of bits to shift left

Input/output types:

input	output
int	int
list<int>	list<int>

Examples

Shift left a number by 7 bits

> 2 | bits shl 7
256

Shift left a number with 1 byte by 7 bits

> 2 | bits shl 7 --number-bytes '1'
0

Shift left a signed number by 1 bit

> 0x7F | bits shl 1 --signed
254

Shift left a list of numbers

> [5 3 2] | bits shl 2
╭───┬────╮
│ 0 │ 20 │
│ 1 │ 12 │
│ 2 │  8 │
╰───┴────╯

Tips: Command bits shl was not included in the official binaries by default, you have to build it with --features=extra flag