Unix Commands can read from and write to files using.This passes the output of one command as input to the next. You can string Unix Commands together using pipes (|).Commands often have options that start with a dash.Most Unix Commands have short, simple names that are easy to remember, like ls, cd, cp, mv, rm, cat, grep, chmod, and man. Unix commands are text-based instructions you type at the command line to get things done.The most important things to know about Unix commands are: Web development, programming languages, Software testing & others Table of Content It polls to ensure one program is running (or finished running) before proceeding to the next program.Start Your Free Software Development Course Sometimes the larger program launches programs in the background, sometimes in the foreground. The larger REAL program is more complicated because it opens gnome-terminal, changes directory, renames tabs and move windows to one of three monitors. #print ('5 most recent from lists and indices') # Sort list so that largest elements are on the far right "~/.local/share/recently-used.xbel | " + \ home/rick/python/mserve added= modified= visited=>Ĭommand = "grep -no-group-separator -B5 'group>gedit' " + \ Grep -no-group-separator -B5 'group>gedit' ~/.local/share/recently-used.xbel | sed -n 1~6p | sed 's# ''' Get list of gedit 5 most recent files: '&' = run in backgroundĪctive_pid, active_win = launch_command(command) # Open gedit with last five modfied files. # Add each file name to parameter list passed to `gedit` Last_modified_files = gedit_recent_files() ''' Return list of all windows open under PID listĬurrently unnecessary because we work on active window '''Īll_lines = os.popen('xdotool search -pid ' + str(pid)). L = ' '.join(l.split()) # Compress whitespace into single space It was failing on !Īll_lines = os.popen("ps aux | grep -v grep | grep " + \ # Just grep up to first space in command line. Whitespace output is compressed to single space ''' Return list of PIDs for program name and arguments # Return PID of program we just launched in background #suppress error message because we aren't using window ID at all #print('launch_command() ERROR: New Window ID could not be found') Win_list = list(set(new_wins) - set(all_wins)) New_wins = get_wins(all_pids) # Snapshot of windows open Time.sleep(WINDOW_TIME) # Give time for window to appear Print('launch_command() ERROR: A new PID could not be found') Pid_list = list(set(new_pids) - set(all_pids)) Print('launch_ext_command() ERROR: max sleep count reached') If sleep_count = 1000: # 10 second time-out If sleep_count > 0: # Don't sleep first time through loop New_pids = get_pids(ext_name) # Snapshot current PID list While new_pids = all_pids: # Loop until new PID is assigned Os.popen(ext_name) # Run command in background Sleep_count = 0 # Counter to prevent infinite loops 2 seconds to run.Īll_pids = get_pids(ext_name) # Snapshot current PID listĪll_wins = get_wins(all_pids) # Snapshot of windows open ''' Launch external command in background and return PID to parent. SERVER_TIME = 1.5 # gnome-terminal-server timeīASHRC_TIME = 1.5 # Seconds to load ~/.bashrc This includes gedit and the last five opened files in their own tabs.įrom _future_ import print_function # Must be first import A little late to the party but, I wrote a python program to reopen all my applications on reboot.
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