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#!/bin/bash
# create new tags from input line, for example:
# field1 field2 field3 field4 field5 field6 field7 field8...
# [element type] [element ID] key1_added "value1" key2_added "value2" key3_removed key4_removed...
# key should not quoted, value must be quoted
# And keys which need to be removed must be placed at the end
while read -r line
do
TYPE=$(echo $line | cut -d ' ' -f1) # field1 is type
ID=$(echo $line | cut -d ' ' -f2) # field2 is ID
# transform key-value pair into tag format:
# <tag k="[key]" v="[value]"/>
# keys without values are omitted
NEW_TAGS=$(echo $line |\
cut -d' ' -f3- |\
sed -r 's/([^ "]+) (\"[^"]+\")/<tag k=\"\1\" v=\2\/>/g; s/>[^"]*$/>/')
# get regex pattern need to removed from original osm element:
# key1|key2|key3|key4
TAG_PATTERN=$(echo $line |\
cut -d' ' -f3- | xargs -n2 echo |\
cut -d' ' -f1 | paste -s -d'|')
echo $NEW_TAGS > /dev/tty
# print matched element with new tags to .osc file
cat $1 |\
sed -nr "/<$TYPE id=\"$ID\"/,/<\/$TYPE/ {
/<$TYPE id=\"$ID\"/ {
s/(version=\"[0-9]+\")(.*)/\1>/
a \ \ \ \ $NEW_TAGS
}
/<tag k=\"($TAG_PATTERN)\"/ !p
/<\/$TYPE/ q
}" >> $1.osc
done
# Add .osc structure for output
sed -ir '1 i <osmChange version="0.6" generator="bash script">
1 i <modify>
$ a </modify>
$ a </osmChange>' $1.osc
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