This option is perhaps more useful for pkill than pgrep. Only match processes whose name (or command line if -f is specified) exactly match the pattern. In pkill context, the short option is disabled to avoid accidental usage of the option. This option usually used in pgrep context. Either the numerical or symbolical value may be used. Only match processes whose real user ID is listed. Only match processes whose effective user ID is listed. The terminal name should be specified without the " /dev/" prefix. ![]() Only match processes whose controlling terminal is listed. Session ID 0 is translated into pgrep's or pkill's own session ID. Only match processes whose process session ID is listed. Only match processes whose parent process ID is listed. Select only the oldest (least recently started) of the matching processes. Select only the newest (most recently started) of the matching processes. ( pgrep only.) List the process name and the process ID. Only match processes whose real group ID is listed. Process group 0 is translated into pgrep's or pkill's own process group. Only match processes in the process group IDs listed. When -f is set, the full command line is used. The pattern is normally only matched against the process name. ( pgrep only.) Sets the string used to delimit each process ID in the output (by default a newline). When count does not match anything, e.g., returns zero, the command returns non-zero value. ( pgrep only.) Suppress normal output instead print a count of matching processes. Either the numeric or the symbolic signal name can be used. ( pkill only.) Defines the signal to send to each matched process. Syntax pgrep pattern pkill pattern Options -signal, -signal signal Pkill sends the specified signal (by default SIGTERM) to each process instead of listing them on standard output. will list the processes owned by root OR daemon. will only list the processes that are called sshd and are owned by root. OR # find /tmp/ ! -name "*linux*" ! -name "*lvm*" -type f | xargs grep -w testįind xargs with NOT operator to exclude files-2Īgain similar to find with exec, we can use find with xargs combined with prune to exclude certain files.Pgrep looks through the currently running processes and lists the process IDs which matches the selection criteria to stdout. Now we will adapt this syntax into our example to grep recursively with find command: # find /tmp/ ! -name "*linux*" ! -name "*lvm*" -type f -print0 | xargs -0 grep -w testįind xargs with NOT operator to exclude files-1 The general syntax here would be: find PATH -type f ! -name ! -name | xargs grep Īlternate Method: find PATH -type f ! -name ! -name -print0 xargs -0 grep Now similar to find with exec, we can also use the same NOT( !) operator with xargs. Method 3: using find with xargs (NOT operator) The general syntax to use this method would be: find PATH -type f ! -name ! -name -exec grep \ In this example we will use find command to exclude certain files while grepping for a string by using NOT ( !) operator. Method 1: using find with exec (NOT operator) In the below examples we will " Search for test string in all files except the files that contains lvm and linux in the filename" Now similar to our last section, we will use find and other tools to exclude certain pre-defined filenames while trying to grep recursively any pattern or string. Grep for string by excluding pre-defined files
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