Nix: Curling For Headers
If you want to inspect the headers of a response from some endpoint, look no further than a quick curl command. By including the -I flag, curl will return ju...
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Nix: Curling With Basic Auth Credentials
I often use curl to take a quick look at the responses of particular endpoints. If I try to curl a URL that is secured with HTTP Basic Authentication, this i...
Nix: Convert tabs to/from spaces
The command expand in GNU coreutils converts tabs in each input file to spaces. The command unexpand does the reverse, converting spaces in each input files ...
Nix: Convert file contents to lower case with tr
To convert the contents of a file to all lower case, you can use:
Nix: Combine multiple consecutive blank lines into one
cat --squeeze-blank (or cat -s for short) will suppress repeated empty output lines.