They might not even be grep commands-just commands whose names, paths, or command-line arguments contain grep. ![]() One shortcoming of those popular methods is that they'll filter out lines that contain grep even when they're not the grep command you just ran yourself. This works because is a character class that matches exactly the letter x. So another approach is to write a regular expression that matches exactly xfce but is written differently. Grep without -F treats its pattern as a regular expression rather than a fixed string. One common way to remove this distraction is to add another pipe to grep -v grep: ps x | grep xfce | grep -v grep I'm looking for information on processes that were already running when I examined what was running, not the process that's only running because of my effort to examine what is running. My grep command was shown in the output, but it's not what I'm looking for. For example, I might be looking for running programs whose names, paths, or command-line arguments suggest they're related to Xfce: ps x | grep xfceĢ958 ? S 0:00 /usr/lib/x86_64-linux-gnu/xfce4/xfconf/xfconfdģ1901 pts/1 S+ 0:00 grep -color=auto xfce Grep -v grep (or grep -v 'grep' or grep -v "grep") often appears on the right side of a pipe whose left side is a ps command. But in most cases where grep -v grep actually appears, this is no coincidence. See man grep for details.Īs far as the grep utility is itself concerned, it's unimportant that the pattern grep passed to it as an argument is the same as its name. Without -v, it would output only the lines in which grep does appear. The maximum number of concurrent worker processes that run in parallel.Grep -v "grep" takes input line by line, and outputs only the lines in which grep does not appear. Use this when snapshot expectations have changed. Whether to update snapshots with actual results instead of comparing them. running tests on Linux against Windows screenshots. Use this when snapshot expectations are known to be different, e.g. Learn more about various timeouts.įorce tracing mode, can be on, off, on-first-retry, on-all-retries, retain-on-failure Maximum timeout in milliseconds for each test, defaults to 30 seconds. Shard tests and execute only selected shard, specified in the form current/all, 1-based, for example 3/5. The maximum number of retries for flaky tests, defaults to zero (no retries). Whether to suppress stdout and stderr from the tests.Ĭhoose a reporter: minimalist dot, concise line or detailed list. Defaults to running all projects defined in the configuration file. Only run tests from one of the specified projects. Passing -x stops after the first failure.ĭirectory for artifacts produced by tests, defaults to test-results.Īllows the test suite to pass when no files are found. Total timeout for the whole test run in milliseconds. Only run tests not matching this regular expression. The regular expression will be tested against the string that consists of the test file name, scribe name (if any) and the test name divided by spaces, e.g. For example, this will run 'should add to cart' when passed -g "add to cart". Only run tests matching this regular expression. If not passed, defaults to or in the current directory. Shortcut for PWDEBUG=1 environment variable and -timeout=0 -max-failures=1 -headed -workers=1 options.Ĭonfiguration file. ![]() Available options are "chromium", "firefox", "webkit" or "all" to run tests in all three browsers at the same time. Following options can be passed to a command line and take priority over the configuration file: Option Complete set of Playwright Test options is available in the configuration file.
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