$stderr  –  STDERR of The Last run Command

$stderr contains the output on STDERR of the last executed run command. This variable is only available if run was executed with --separate-stderr.

Links

• bats-core manual

Examples

Split output of run into STDOUT and STDERR

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@test "Example" { # enable support for flags of the run command bats_require_minimum_version 1.5.0 # keep output on STDERR in $stderr and $stderr_lines run --separate-stderr cat nonexistent_filename echo "Status: $status" >&3 echo "Output: $stderr" >&3 echo "First line: ${stderr_lines[0]}" >&3 }