Commands by tatsujin (0)

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Use default value if unassigned
Will use variable value (for variable $my_dir, in this case), an assign a default value if there is none.

make a list of movies(.m3u).

Rename files in batch

Count number of files in a directory

Recursive grep of all c++ source under the current directory

Encode a string using ROT47
This command will encode a string using the ROT47 cipher.

ps grep with header
Yet another ps grep function, but this one includes the column headings.

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

What is My WAN IP?
The curl command retrieve the HTML text containing the IP address. The grep command picks out the IP address from that HTML text.

Get IPv4 of eth0 for use with scripts
I've been using it in a script to build from scratch proxy servers.


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