CmdID

CmdID / Commands

printf

Format and print ARGUMENT(s) according to FORMAT, using C printf syntax (% escapes for cdeEfgGiosuxX, \ escapes for abefnrtv0 or \OCTAL or \xHEX). toybox

On Linux

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Linux

from the toybox, 0BSD
printf FORMAT [ARGUMENT...]

Several platforms

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Format and print text.

Print a text message

printf "%s\n" "Hello world"Identify

Print formatted message multiple times with different strings

printf "%s\n" string1 string2 ...Identify

Print an integer in bold blue

printf "\e[1;34m%.3d\e[0m\n" 42Identify

Print a float number with the Unicode Euro sign

printf "\u20AC %.2f\n" 123.4Identify

Print a text message composed with environment variables

printf "var1: %s\tvar2: %s\n" "$VAR1" "$VAR2"Identify

Store a formatted message in a variable (does not work on Zsh)

printf -v myvar "This is %s = %d\n" "a year" 2016Identify

Print a hexadecimal, octal, and scientific number

printf "hex=%x octal=%o scientific=%e\n" 0xFF 0377 100000Identify

See also

echo