Add 'ce' utility

1 files changed, 23 insertions, 0 deletions

diff --git a/ce b/ce
new file mode 100755
index 0000000..08550aa
--- /dev/null
+++ b/ce
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# ce -- center text
+
+usage() { echo usage: $0 [-cols] text ... 1>&2; exit 1; }
+
+case "$1" in
+-*)	cols=${1#-}
+	[ "$cols" -gt 0 ] || usage
+	shift ;;
+*)	cols=`tput cols`
+	[ "$cols" -le 80 ] || cols=80
+	;;
+esac
+
+[ $# -gt 0 ] || usage
+len=`echo "$@" | wc -c`
+max=$(((cols - len) / 2))
+i=0
+while [ $((i++)) -lt $max ]; do
+	printf ' '
+done
+echo "$@"