18 июн. 2014 г. · You can use $(!!) to recompute (not re-use) the output of the last command. The !! on its own executes the last command.

10 мая 2011 г. · If all you want is to rerun your last command and get the output, a simple bash variable would work: LAST=`!!` This will spawn a new process ...

24 мая 2011 г. · I am trying to echo the last command run inside a bash script. I found a way to do it with some history,tail,head,sed which works fine when commands represent ...

30 июл. 2010 г. · You can use $_ or !$ to recall the last argument of the previous command. Also Alt + . can be used to recall the last argument of any of the previous commands.

27 мар. 2018 г. · I want to check if the console output of this command contains a specific string (maybe failed ) to handle on it and to return a right exit code with the shell ...

21 июл. 2010 г. · In Mathematica, it is possible to reuse the output of the previous command by using %. Is something similar possible for bash (or some other shell)?

21 нояб. 2016 г. · I'm want to store the most recent command in a variable. I tried the !!:p history expansion, it does get me the last command but I can't store it in a variable.

31 мар. 2017 г. · Most handy way is to use backticks `your_command` to execute your sub-command inline and immediately use output in your main command.

30 янв. 2014 г. · command1 && command2 does exactly what you want: command 2 is executed only if command1 succeeds. For example you could do: ls a.out && ./a.out

5 мая 2017 г. · I want to execute a command then get the return value of this command. when it's done i want to exit and give exit the return value of the previous command.