Is there any way to exclude commands like rm -rf, svn revert from being getting stored in bash history? Actually I, by mistake, have issued them a number of times even though I have no intent to do, just because I am doing things quickly and it happened. Hence results in lost of lots of work I have did so far.
I’m trying to count the number of lines of output a certain program produces. The problem is, the program takes a long time to run, and I want to display the output to the user. Is there a way to count the number of lines the last command outputted?
I was using associative arrays in my script, hence I used to declare them by the
If Bash is waiting for a command to complete and receives a signal for
which a trap has been set, the trap will not be executed until the
command completes.
Consider the following (slightly silly) script name ‘test1.sh’:
I had this on my Ubuntu setup and since I switched to Fedora I want to set it and I forgot how… The idea is simple :
How can I delete a word backward at the command line? I’m truly used to some editors deleting the last ‘word’ using Ctrl+Backspace, and I’d like that functionality at the command line too.
The Bash Manual says
I have written a sample script to split the string but it is not working as expected