How to change the output of GNU parallel?
GNU parallel will normally treat a full line as a single argument: It uses as argument delimiter. This can be changed with -d: Output (the order may be different): NUL can be given as \\0: Output: Same as above. A shorthand for -d ‘\\0’ is -0 (this will often be used to read files from find -print0 ): Output: Same as above.
What happens if no command is given after parallel?
If no command is given after parallel the arguments themselves are treated as commands: Output (the order may be different): The command can be a script, a binary or a Bash function if the function is exported using export -f: Output (the order may be different): GNU parallel has several replacement strings.
What are the replacement strings in GNU parallel?
The command can be a script, a binary or a Bash function if the function is exported using export -f: Output (the order may be different): GNU parallel has several replacement strings. If no replacement strings are used the default is to append {}:
How to run GNU parallel with stdin as input?
GNU parallel then generates all combinations of the input sources: Output (the order may be different): The input sources can be files: Output: Same as above. STDIN (standard input) can be one of the input sources using -: Output: Same as above. Instead of -a files can be given after :::::
How to run GNU parallel with SSH password?
For remote running: ssh login on 2 servers with no password in $SERVER1 and $SERVER2 must work. It can be setup by running ‘ssh-keygen -t dsa; ssh-copy-id $SERVER1’ and using an empty passphrase, or you can use ssh-agent. GNU parallel reads input from input sources.
Where can I find a man parallel tutorial?
If you want to dive even deeper: spend a couple of hours walking through the tutorial ( man parallel_tutorial ). Your command line will love you for it. Finally you may want to look at the rest of the manual ( man parallel) if you have special needs not already covered.