Commands by eikenberry (4)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Ping all hosts on 192.168.1.0/24

Check the hard disk vendor and model on Apple Mac

Convert all old SVN repositories in one directory to new format

Find UTF-8 text files misinterpreted as ISO 8859-1 due to Byte Order Mark (BOM) of the Unicode Standard.
Character: "?" is the Byte Order Mark (BOM) of the Unicode Standard. Specifically it is the hex bytes EF BB BF, which form the UTF-8 representation of the BOM, misinterpreted as ISO 8859/1 text instead of UTF-8.

list files recursively by size

Get the time since epoch
Get the time since epoch. Useful when working with commands and logs which use this format.

print line and execute it in BASH
!# is the currennt line so far, by using !#:- you can go from the second arg (it's zero indexed) to the last ($) (did I understand the problem correctly?)

seq (argc=2) for FreeBSD

Reuse last parameter
Reuse the last parameter of the previous command line

Print text string vertically, one character per line.
Define a function $ vert () { echo $1 | grep -o '.'; } Use it to print some column headers $ paste


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