How does one output bold text in Bash

Question

I m writing a Bash script that prints some text to the screen   echo  Some Text    Can I format the text  I would like to make it bold

User · Answer

This is an old post but regardless  you can also get boldface and italic characters by leveraging utf-32  There are even greek and math symbols that can be used as well as the roman alphabet

User · Answer

The most compatible way of doing this is using tput to discover the right sequences to send to the terminal   bold   tput bold  normal   tput sgr0    then you can use the variables  bold and  normal to format things   echo  this is   bold bold  normal  but this isn t    gives     this is bold but this isn t

User · Answer

In order to apply a style on your string  you can use a command like   echo -e   033 1mYOUR STRING 033 0m    Explanation     echo -e - The -e option means that escaped  backslashed  strings will be interpreted  033 - escaped sequence represents beginning ending of the style lowercase m - indicates the end of the sequence 1 - Bold attribute  see below for more   0m - resets all attributes  colors  formatting  etc    The possible integers are    0 - Normal Style   1 - Bold   2 - Dim   3 - Italic   4 - Underlined   5 - Blinking   7 - Reverse   8 - Invisible

User · Answer

I assume bash is running on a vt100-compatible terminal in which the user did not explicitly turn off the support for formatting   First  turn on support for special characters in echo  using -e option  Later  use ansi escape sequence ESC 1m  like   echo -e   033 1mSome Text    More on ansi escape sequences for example here  ascii-table com ansi-escape-sequences-vt-100 php

User · Answer

In theory like so     BOLD   echo -e   033 1mThis is a BOLD line 033 0m  This is a BOLD line    Using tput tput bold  echo  This   BOLD tput sgr0  Reset text attributes to normal without clear  echo  This   NORMAL    UNDERLINE   echo -e   033 4mThis is a underlined line  033 0m  This is a underlined line     But in practice it may be interpreted as  high intensity  color instead    source  http   unstableme blogspot com 2008 01 ansi-escape-sequences-for-writing-text html

[bash] How does one output bold text in Bash?

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