Changeset ba71c74 for chapter07

Timestamp:

07/19/2001 01:30:15 PM (23 years ago)

Author:

Mark Hymers <markh@…>

Branches:

10.0, 10.0-rc1, 10.1, 10.1-rc1, 11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, 6.0, 6.1, 6.1.1, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 7.5-systemd, 7.6, 7.6-systemd, 7.7, 7.7-systemd, 7.8, 7.8-systemd, 7.9, 7.9-systemd, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, v3_0, v3_1, v3_2, v3_3, v4_0, v4_1, v5_0, v5_1, v5_1_1, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

67dd94a

Parents:

6604af1

Message:

New smart COL and WCOL settings

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@811 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter07/functions.xml (modified) (1 diff)

chapter07/functions.xml

@@ -15 +15 @@
 #
 # 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
-# defined by the COL variable). NORMAL prints text in normal mode.
+# screen. The SET_COL variable starts the text in the column number 
+# 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
 # colour
 #
 
-COL=70
-WCOL=50
+# If COLUMNS hasn't been set yet (bash sets it but not when called as
+# 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[${COL}G"
 SET_WCOL="echo -en \\033[${WCOL}G"