/usr/bin/reorder-columns is in ncbi-entrez-direct 7.40.20170928+ds-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
# Usage: reorder-columns COLUMN NUMBERS...
cmd=""
com="$"
for col in "$@"
do
cmd=`echo "$cmd$com$col"`
com=", $"
done
awk -F '\t' -v 'OFS=\t' "{print $cmd}"
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