09-11-2015
Thanks Don!
I never meant to refuse to answer your question. Wish I did not offend you when I should have pointed my reply corresponding to your very question.
Originally I was trying to find the format specifier of printf() to pad any alphanumeric string in each row. Googled for a while, no luck. Yoda's first reply DID give the answer of my example, but not in the way I could think of. However, your first reply clarified that there is no such specifier for printf() to pad alphanumeric string.
Then I gave a second example to describe what I was looking for, which is padding numbers of the alphanumeric string with "0". The padding is only for the numeric part of the string.
Your "final attempt" did give more than what I wanted, as my case is not that complicated.
Did I answer your questions now?!
Thanks a lot!
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set_color
set_color(1) fish set_color(1)
NAME
set_color - set_color - set the terminal color
set_color - set the terminal color
Synopsis
set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]
Description
Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
cyan, white and normal.
o -b, --background Set the background color
o -c, --print-colors Prints a list of all valid color names
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o -o, --bold Set bold or extra bright mode
o -u, --underline Set underlined mode
o -v, --version Display version and exit
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Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
font color, while set_color --bold white will result in a white font color.
Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.
set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
ncurses and recompile fish against it in order to fix this issue.
Version 1.23.1 Sun Jan 8 2012 set_color(1)