mnalis

#!/bin/sh
# first step takes about 1h 45m on my 4core VM and produces about 300MB output file. The second step is about 2.5m 
# it counts housenumbers ending in a number and a single letter (e.g. '42b') and outputs frequency of those letters a-f
# for testing https://github.com/streetcomplete/StreetComplete/issues/5479#issuecomment-1937812748

time pv -ptebar planet-240205.osm.bz2 | pbzip2 -dc | ag -F 'addr:housenumber' | zstd > housenumbers.xml.zstd
time pv housenumbers.xml.zstd | zstdmt -dc | perl -nE 'if (/^\s*<tag k="addr:housenumber"\sv="(.*?)\s*".*$/) { $n=$1; $a++ if $n=~/\da$/i; $b++ if $n=~/\db$/i; $c++ if $n=~/\dc$/i;  $d++ if $n=~/\dd$/i;  $e++ if $n=~/\de$/i;  $f++ if $n=~/\df$/i;} END { say "a=$a\nb=$b\nc=$c\nd=$d\ne=$e\nf=$f\n" }'

# result:
#a=4593803

mnalis

### Detecting StreetComplete AddShoulder corruption from SC/Zazolc 45.0-alpha1
### or: using hacky shell commands for (rapid, but noncompliant XML) fun and profit
### See https://github.com/streetcomplete/StreetComplete/issues/4170

% time pbzip2 -dc changesets-220815.osm.bz2 | env -i LC_ALL=C grep -B1 -A2 'StreetComplete:quest_type.*AddShoulder' > shoulder_quest.txt
pbzip2 -dc changesets-220815.osm.bz2  1579.50s user 14.95s system 379% cpu 7:00.41 total
env -i LC_ALL=C grep -B1 -A2 'StreetComplete:quest_type.*AddShoulder' >   47.80s user 10.19s system 13% cpu 7:00.40 total

% fgrep -c changeset shoulder_quest.txt
23333

mnalis

#!/bin/sh
# by Matija Nalis <[email protected]> GPLv3+ 20211112
# automatically kludge cdc_acm.ko for IrToy /dev/ttyACM0 usage "old-way"
#

#echo script: $0
#echo params: "$@"
#echo env:
#env

mnalis

cd /lib/modules/`uname -r`/kernel/drivers && \
  mv -n media/rc/ir_toy.ko media/rc/ir_toy.ko.DISABLED && \
  mv -n usb/class/cdc-acm.ko usb/class/cdc-acm.ko.DISABLED && \
  env -i sed -e 's/\xd8\x04\x08\xfd/\xff\x04\x08\xfd/' < usb/class/cdc-acm.ko.DISABLED > usb/class/cdc-acm.ko && \
  depmod -a

# reboot after doing the change.
#
# This changes blacklisting of USB ID `04d8:fd08` in cdc-acm, so IrToy gets recognized
# as it was in previous kernel versions, and `/dev/ttyACM0` gets created for it instead of `/dev/lirc0`

mnalis

perl -nE '$c.=$_; if (/^-----END/) { say "* file: $ARGV"; say `echo "$c" | openssl x509 -noout -subject -issuer -dates`; $c=""}' domain.crt zimbra_chain.crt

mnalis

#!/bin/sh
# Matija Nalis 2021-02-25, MIT license
# Compares StreetComplete building descriptions to iD tag presets
# see https://github.com/streetcomplete/StreetComplete/issues/2588


wget -q -N https://github.com/streetcomplete/StreetComplete/raw/master/app/src/main/java/de/westnordost/streetcomplete/quests/building_type/BuildingType.kt
fgrep '"building' BuildingType.kt  | cut -f4 -d\" | sort -u  > sc.tags
curl -s https://raw.githubusercontent.com/openstreetmap/id-tagging-schema/main/dist/presets.json | grep '"building": "[a-z]' | cut -f4 -d\"| sort -u > id.tags

mnalis

#!/bin/sh

matches=$(git diff --cached | grep -E '\+.*?FIXME')

if [ "$matches" != "" ]
then
        echo "'FIXME' tag is detected."
        echo "Please fix it before committing."
        echo "  ${matches}"
        exit 1