direwolf/telemetry-toolkit/telem-seq.sh

#!/bin/sh
# Generate sequence number as described here:
# https://github.com/wb2osz/direwolf/issues/9
#
if [ ! -f /tmp/seq ]; then
echo 0 > /tmp/seq
fi

SEQ=`cat /tmp/seq 2>/dev/null`
SEQ=$(expr \( $SEQ + 1 \) % 1000)
echo $SEQ | tee /tmp/seq
Add script to generate telemetry sequence numbers. 2015-12-31 02:49:13 +00:00			`#!/bin/sh`
			`# Generate sequence number as described here:`
			`# https://github.com/wb2osz/direwolf/issues/9`
			`#`
telem-seq.sh: Make compatible to busybox sh busybox's sh-implementation is differnt from the normal sh: In busybox-expr an empty string does not evaluate to int(0). Calling `expr ($SEQ +1)` with `SEQ=""` fails. This patch works around this behavior by making sure the file exists. I left the pipe for stderr around the `cat` in place to make sure I do not break any other error cases. Signed-off-by: Chris Fiege <chris@tinyhost.de> 2018-11-20 21:06:51 +00:00			`if [ ! -f /tmp/seq ]; then`
			`echo 0 > /tmp/seq`
			`fi`

Add script to generate telemetry sequence numbers. 2015-12-31 02:49:13 +00:00			SEQ=`cat /tmp/seq 2>/dev/null`
			`SEQ=$(expr \( $SEQ + 1 \) % 1000)`
telem-seq.sh: Make compatible to busybox sh busybox's sh-implementation is differnt from the normal sh: In busybox-expr an empty string does not evaluate to int(0). Calling `expr ($SEQ +1)` with `SEQ=""` fails. This patch works around this behavior by making sure the file exists. I left the pipe for stderr around the `cat` in place to make sure I do not break any other error cases. Signed-off-by: Chris Fiege <chris@tinyhost.de> 2018-11-20 21:06:51 +00:00			`echo $SEQ \| tee /tmp/seq`