I’m currently using Debian 7 Wheezy, and I’ve noticed that the colors palette on terminal (which might be useful to identify among a large set of files and folders) are not enabled once I log as root.
I remembered bash can do the following:
GREEN="e[1;32m" RED="e[1;31m" NONE="e[m" get_exit_status(){ es=$? if [ $es -eq 0 ] then echo -e "${GREEN}${es}${NONE}" else echo -e "${RED}${es}${NONE}" fi } get_path(){ #dummy function echo "PATH" } PROMPT_COMMAND='exitStatus=$(get_exit_status)' The following gives me the correct exitStatus but colour variables are not expanded: PS1='${RED}h $(get_path) ${exitStatus}${NONE} ' However, the one below, gives me the colours but the … Read more
I want to start a process from a shell script, allow it to interact with the user (so I cannot just background it, grab the PID, launch sleep followed by sanity checks and kill), but if it is still running after a set period of time (say, two minutes), then and only then do I want to kill it.
I need to compare two files, File1 and File2 (Separated by space) using 4 fields (Field 1, 2, 4 and 5 of File 1 with field1, 2, 4 and 5 of File2).
I know how to combine the result of different command
I’m writing a bash script to use inotifywait to monitor a directory and kick off actions when changes are detected. Something like:
#!/bin/bash FILE="$(basename "$1")" FILE="${FILE/%.jpeg/.jpg}" Is there anyway to glue these two lines together into a one-liner? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post helpful (or not), leave … Read more
I’m following this guide on how to set up passwordless SSH authentication with ssh-agent.
Exec allows us to either pass all arguments at once with {} + or to pass them one by one with {} ;