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I would like to know how to run \du within a script, and output that to a file.

Something like the following:

# some_script.sh

psql <database connection> & \du > output_of_du.txt

I can find information about running .sql files via psql, but I can't find information about running psql commands themselves.

I found the following whilst searching:

But they're not what I'm after.

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1 Answer 1

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4

You can use the -c flag and combine it with -L to gather the output:

psql <database connection> -c \du -L output_of_du.txt

See psql-tip number 1 (https://psql-tips.org/psql_tips_all.html#tip001) and psql-tip number 26 (https://psql-tips.org/psql_tips_all.html#tip026)

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    Depending on the shell, the backslash will need to be itself escaped (\\du), or the whole argument quoted (‘\du’). Commented Nov 21, 2022 at 15:15
  • 1
    Woops, yes that's right Commented Nov 22, 2022 at 15:47

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