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computer:bash_snippets [2020-02-18 00:27] – [Zu schlecht für ein dotfile] skrupelloscomputer:bash_snippets [2020-11-18 18:11] (current) – external edit 127.0.0.1
Line 217: Line 217:
 </FileSpec> </FileSpec>
 </code> </code>
 +
 +====== CUPS ======
 +Delete all learned Network printers:
 +<code bash>
 +lpstat -s | \grep ///dev/null | cut -c 12- | cut -d: -f1 | xargs -n1 -- lpadmin -x 
 +</code>
 +
 ====== Zu schlecht für ein dotfile ====== ====== Zu schlecht für ein dotfile ======
 Hier sind scripte, die zwar eine nette Idee, aber viel zu schlecht für ein dotfile sind. Hier sind scripte, die zwar eine nette Idee, aber viel zu schlecht für ein dotfile sind.
Line 255: Line 262:
 <code> <code>
 smartctl -x /dev/sda smartctl -x /dev/sda
 +</code>
 +
 +
 +<code python>
 +for i in [2, 1.9, 1.5, 1.1, None, 0, None, -1.1, -1.5, -1.9, -2]:
 +    print('-'*105 if i is None else f'{i: .1f}: ceil = {math.ceil(i): } || round = {round(i): } | int(i+.5) = {int(i+0.5): } || floor = {math.floor(i): } | int = {int(i): } || int(i)+1 = {int(i)+1: } | int(i)-1 = {int(i)-1: }')
 +</code>
 +<code>
 + 2.0: ceil =  2 || round =  2 | int(i+.5) =  2 || floor =  2 | int =  2 || int(i)+1 =  3 | int(i)-1 =  1
 + 1.9: ceil =  2 || round =  2 | int(i+.5) =  2 || floor =  1 | int =  1 || int(i)+1 =  2 | int(i)-1 =  0
 + 1.5: ceil =  2 || round =  2 | int(i+.5) =  2 || floor =  1 | int =  1 || int(i)+1 =  2 | int(i)-1 =  0
 + 1.1: ceil =  2 || round =  1 | int(i+.5) =  1 || floor =  1 | int =  1 || int(i)+1 =  2 | int(i)-1 =  0
 +---------------------------------------------------------------------------------------------------------
 + 0.0: ceil =  0 || round =  0 | int(i+.5) =  0 || floor =  0 | int =  0 || int(i)+1 =  1 | int(i)-1 = -1
 +---------------------------------------------------------------------------------------------------------
 +-1.1: ceil = -1 || round = -1 | int(i+.5) =  0 || floor = -2 | int = -1 || int(i)+1 =  0 | int(i)-1 = -2
 +-1.5: ceil = -1 || round = -2 | int(i+.5) = -1 || floor = -2 | int = -1 || int(i)+1 =  0 | int(i)-1 = -2
 +-1.9: ceil = -1 || round = -2 | int(i+.5) = -1 || floor = -2 | int = -1 || int(i)+1 =  0 | int(i)-1 = -2
 +-2.0: ceil = -2 || round = -2 | int(i+.5) = -1 || floor = -2 | int = -2 || int(i)+1 = -1 | int(i)-1 = -3
 </code> </code>
computer/bash_snippets.1581982035.txt.gz · Last modified: (external edit)