setup.sh: Minor documentation update.

[config/dotfiles.git] / setup.sh

diff --git a/setup.sh b/setup.sh
index 305c0931124929e42416dec7ef0574f97b12c205..7f5ab282cf9865d8f70543e36810e43b8c31e353 100755 (executable)
--- a/setup.sh
+++ b/setup.sh
@@ -83,13 +83,14 @@ if test -z "$use_256colors"; then
 fi
 # Some options are only necessary when running as root. They are marked as
 # "(ROOT)".
-if [ x`id -u` != x0 ]; then
+if test "`id -u`" -ne 0; then
     echo screenrc: removing root options
     grep -v '(ROOT)' screenrc > screenrc.tmp
     mv screenrc.tmp screenrc
 fi
-# I use some features of screen which are only in Git. Drop them on machines
-# which have older versions. They are marked as "(GIT)".
+# I use some features of GNU screen which are only in Git or very recent GNU
+# screen versions. Drop them on machines which have older versions. They are
+# marked as "(GIT)".
 if test -d "$HOME/development/shell/screen"; then
     echo screenrc: removing Git features
     grep -v '(GIT)' screenrc > screenrc.tmp
@@ -104,7 +105,7 @@ if installed rxvt; then
 fi
 # Display current battery charge on computers with a battery. Necessary lines
 # are marked as "(BATTERY)".
-if [ ! -d /sys/class/power_supply/BAT0 ]; then
+if test ! -d /sys/class/power_supply/BAT0; then
     echo screenrc: removing battery display
     grep -v '(BATTERY)' screenrc > screenrc.tmp
     mv screenrc.tmp screenrc