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New smart COL and WCOL settings

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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@811 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Mark Hymers 2001-07-19 13:30:15 +00:00
parent 6604af1e19
commit ba71c742ec
1 changed files with 20 additions and 4 deletions
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24
chapter07/functions.xml
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@ -14,14 +14,30 @@ the following command:
# #
# Set a few variables that influence the text that's printed on the # Set a few variables that influence the text that's printed on the
# screen. The SET_COL variable starts the text in column number 70 (as # screen. The SET_COL variable starts the text in the column number
# defined by the COL variable). NORMAL prints text in normal mode. # decided by the COL and WCOL section (as defined by the COL
# variable). NORMAL prints text in normal mode.
# SUCCESS prints text in a green colour and FAILURE prints text in a red # SUCCESS prints text in a green colour and FAILURE prints text in a red
# colour # colour
# #
COL=70 # If COLUMNS hasn't been set yet (bash sets it but not when called as
WCOL=50 # sh), do it ourself
if [ -z "$COLUMNS" ]
then
# Get the console device if we don't have it already
test -z "$CONSOLE" && CONSOLE=/dev/console
# Get the console size (rows columns)
SIZE=$(stty size < $CONSOLE)
# Strip off the rows leaving the columns
COLUMNS=${SIZE#*\ }
fi
COL=$[$COLUMNS - 10]
WCOL=$[$COLUMNS - 30]
SET_COL="echo -en \\033[${COL}G" SET_COL="echo -en \\033[${COL}G"
SET_WCOL="echo -en \\033[${WCOL}G" SET_WCOL="echo -en \\033[${WCOL}G"
NORMAL="echo -en \\033[0;39m" NORMAL="echo -en \\033[0;39m"