srikanthmanda/infrequently-used-commands.md

## infrequently-used-commands.md

      
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    Infrequently Used Commands

PowerShell

Print PowerShell environment variable

$env:<variable>
Python

Print PWD and change directory in Python

from os import chdir, getcwd
print(getcwd())
chdir('C:\media\youtube\peter_norvig-design_of_computer_programs')

Utilities

youtube-dl

Download YouTube playlist

youtube-dl --yes-playlist <URL> -o '%(playlist_title)s - %(playlist_index)s - %(title)s.%(ext)s' --playlist-start <no>

Splunk

Splunk - Access field of previous event

<base query>
| reverse
| streamstats current=false last(<required field>) as prev_event_field by <grouping field(s)>
| table _time, prev_event_field, ...

Remove reverse to access next event's field.