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
29
30
31
32
33
34
35
36
37
|
#!/bin/sh
# This file is maintained at http://git.mdcc.cx/draai
# % while sleep 2; do cat /tmp/c; ( clear; draai peek ) >/tmp/c; done
# % DR_SLEEP=5 dr_watch draai peek
# % watch --version
# watch from procps-ng 3.3.3
# Unlike watch as shipped with Linux procps << 3.3.3,
# it will deal sane with non-ascii output (like UTF-8). (See also
# http://bugs.debian.org/240989.) ( From: Craig Small
# Fixed in procps 3.2.8-3 Date: Fri, 5 Feb 2010 21:46:09 +1100 )
set -e
command=$@
sleep=${DR_SLEEP:-2}
if test -n "$DR_WATCH"
then
exec $DR_WATCH $command
elif command -v watch >/dev/null
then
exec watch --no-title --interval $sleep $command
else
tmpfile=$(mktemp -t dr_watch.XXXXXXXX)
trap 'rm $tmpfile' EXIT
while sleep $sleep
do
(clear; $command) >$tmpfile
cat $tmpfile
done
fi
|
