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Setup
$ source "$TESTDIR"/_setup.sh
A column with True and False values is query-able by boolean comparisons.
$ cat >metadata.tsv <<~~
> strain column
> SEQ_1 True
> SEQ_2 True
> SEQ_3 False
> ~~
$ ${AUGUR} filter \
> --metadata metadata.tsv \
> --query "column == True" \
> --output-strains filtered_strains.txt
1 strain was dropped during filtering
1 was filtered out by the query: "column == True"
2 strains passed all filters
$ sort filtered_strains.txt
SEQ_1
SEQ_2
Note that the string value is case-insensitive.
$ cat >metadata.tsv <<~~
> strain column
> SEQ_1 True
> SEQ_2 trUe
> SEQ_3 FALSE
> ~~
$ ${AUGUR} filter \
> --metadata metadata.tsv \
> --query "column == True" \
> --output-strains filtered_strains.txt
1 strain was dropped during filtering
1 was filtered out by the query: "column == True"
2 strains passed all filters
Note that 1/0 can also be compared to boolean literals.
$ cat >metadata.tsv <<~~
> strain column
> SEQ_1 1
> SEQ_2 1
> SEQ_3 0
> ~~
$ ${AUGUR} filter \
> --metadata metadata.tsv \
> --query "column == True" \
> --output-strains filtered_strains.txt
1 strain was dropped during filtering
1 was filtered out by the query: "column == True"
2 strains passed all filters
Empty values are ignored.
$ cat >metadata.tsv <<~~
> strain column
> SEQ_1 True
> SEQ_2 False
> SEQ_3
> ~~
$ ${AUGUR} filter \
> --metadata metadata.tsv \
> --query "column == True" \
> --output-strains filtered_strains.txt
2 strains were dropped during filtering
2 were filtered out by the query: "column == True"
1 strain passed all filters
$ sort filtered_strains.txt
SEQ_1
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