tldr/pages/common/printf.md

# printf

> Format and print text.
> More information: <https://www.gnu.org/software/coreutils/printf>.

- Print a text message:

`printf "{{%s\n}}" "{{Hello world}}"`

- Print an integer in bold blue:

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

- Print a float number with the unicode Euro sign:

`printf "{{\u20AC %.2f\n}}" {{123.4}}`

- Print a text message composed with environment variables:

`printf "{{var1: %s\tvar2: %s\n}}" "{{$VAR1}}" "{{$VAR2}}"`

- Store a formatted message in a variable (does not work on zsh):

`printf -v {{myvar}} {{"This is %s = %d\n" "a year" 2016}}`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00			`# printf`

Formatted all pages according to guidelines. 2016-01-07 17:31:27 +00:00			`> Format and print text.`
coreutils*: use short more info links (#5658) 2021-04-01 16:54:26 +01:00			`> More information: <https://www.gnu.org/software/coreutils/printf>.`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Formatted all pages according to guidelines. 2016-01-07 17:31:27 +00:00			`- Print a text message:`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Bulk change: move double quotes outside tokens (#4431) 2020-10-04 18:33:38 +01:00			`printf "{{%s\n}}" "{{Hello world}}"`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Formatted all pages according to guidelines. 2016-01-07 17:31:27 +00:00			`- Print an integer in bold blue:`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Bulk change: move double quotes outside tokens (#4431) 2020-10-04 18:33:38 +01:00			`printf "{{\e[1;34m%.3d\e[0m\n}}" {{42}}`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Formatted all pages according to guidelines. 2016-01-07 17:31:27 +00:00			`- Print a float number with the unicode Euro sign:`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Bulk change: move double quotes outside tokens (#4431) 2020-10-04 18:33:38 +01:00			`printf "{{\u20AC %.2f\n}}" {{123.4}}`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Formatted all pages according to guidelines. 2016-01-07 17:31:27 +00:00			`- Print a text message composed with environment variables:`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Bulk change: move double quotes outside tokens (#4431) 2020-10-04 18:33:38 +01:00			`printf "{{var1: %s\tvar2: %s\n}}" "{{$VAR1}}" "{{$VAR2}}"`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
Formatted all pages according to guidelines. 2016-01-07 17:31:27 +00:00			`- Store a formatted message in a variable (does not work on zsh):`
Add a new page about the printf command - printf is a bash command that acts like C's printf, supporting format strings and modifiers. Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com> 2015-12-28 13:32:49 +00:00
			`printf -v {{myvar}} {{"This is %s = %d\n" "a year" 2016}}`