blob: c00d1bf8a586fcf4604fa8224ea5820d2fd8ffdf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
#!/bin/sh
# ce -- center text
usage() { echo usage: $0 [cols] 1>&2; exit 1; }
[ $# -gt 1 ] && usage
if [ $# -eq 1 ]; then
cols=${1#-}
[ "$cols" -gt 0 ] || usage
shift
else
cols=`tput cols`
[ "$cols" -le 80 ] || cols=80
fi
while read line; do
line=${line## }
line=${line%% }
len=`echo "$line" | wc -c`
max=$(((cols - len) / 2))
i=0
while [ $((i++)) -lt $max ]; do
printf ' '
done
echo "$line"
done
|