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Full Discussion: Strip leading and trailing spaces only in a shell variable with embedded spaces
Top Forums Shell Programming and Scripting Strip leading and trailing spaces only in a shell variable with embedded spaces Post 65600 by Perderabo on Monday 7th of March 2005 12:20:52 PM
Old 03-07-2005
We can extend vgersh99's code to handle this by adding a few double quotes...

Code:
#!/bin/ksh

a=' abc            de f    '

b=$(echo "${a}" | sed -e 's/^ *//g;s/ *$//g')

echo "a->[${a}] b->[${b}]"

 

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LEARN ABOUT PHP

ncurses_color_content

NCURSES_COLOR_CONTENT(3)						 1						  NCURSES_COLOR_CONTENT(3)

ncurses_color_content - Retrieves RGB components of a color

SYNOPSIS

       int ncurses_color_content (int  $color, int  &$r, int  &$g, int	&$b)

DESCRIPTION

	Retrieves  the	red,  green,  and  blue  components  for  the given color definition. Terminal color capabilities must be initialized with
       ncurses_start_color(3) prior to calling this function.

PARAMETERS

	      o $color
		- The number of the color to retrieve information for. May be one of the pre-defined color constants.

	      o $r
		- A reference to which to return the red component of the color. The value returned to the reference will be between 0 and 1000.

	      o $g
		- A reference to which to return the green component of the color. The value returned to the reference will be between 0 and 1000.

	      o $b
		- A reference to which to return the blue component of the color. The value returned to the reference will be between 0 and 1000.

RETURN VALUES

	Returns -1 if the function was successful, and 0 if ncurses or terminal color capabilities have not been initialized.

SEE ALSO

       ncurses_init_color(3), ncurses_start_color(3).

PHP Documentation Group 												  NCURSES_COLOR_CONTENT(3)
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