All commands (14,187)

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Searches $PATH for files using grep
Best to put it in a file somewhere in your path. (I call the file spath) #!/bin/bash IFS=:; find $PATH | grep $1 Usage: $ spath php

Rename files in batch

Add to Instapaper
Adds URL to Instapaper. Usage: instapaper-add user@example.com 12345 http://www.commandlinefu.com/

Substitute spaces in filename with underscore
Substitute spaces in filename with underscore, it work on the first space encountered.

Get Dollar-Euro exchage rate
You can get others rates changing the "EUR/US" part. look at the url: wap.kitco.com/exrate.wml to get more options.

Print a random 8 digit number

sendEmail - easiest commandline way to send e-mail

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

Create multiple subfolders in one command.
Instead of typing separate commands to create various subfolders, we can create multiple subfolders by listing them between brackets and separated by commas.

sends your internal IP by email
This is useful if you have need to do port forwarding and your router doesn't assign static IPs, you can add it to a script in a cron job that checks if you IP as recently changed or with a trigger script. This was tested on Mac OSX.


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