Episode 10 Shell scripts

We create shell scripts using the hash-bang header, and also look at permissions, variables, and loops in the shell.

29 September 2015

Time Jump Topic or command
00:40  

set -o noclobber
01:01  

.bashrc
01:14  

>| (redirect and clobber)
02:30  

script, shell
03:01  

file type, text
03:50  

#! (hash-bang)
04:49  

echo (display text)
06:28  

chmod (change permissions)
07:07  

. (current dir)
08:55  

script, Python
10:06  

set -e (stop on error)
12:11  

chmod (change permissions)
12:16  

rwx (permissions)
12:47  

permissions
13:15  

group
15:23  

octal
19:13  

variable
20:39  

environment variable
20:55  

env (show environment)
21:32  

PATH variable
22:05  

export (designate environment variable)
22:53  

for loop
26:02  

ImageMagick
26:42  

.zip
26:47  

unzip (extract compressed files)
29:14  

mkdir -p (parents)
29:36  

mogrify -geometry (resize)
blog comments powered by Disqus