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UNIX for Beginners Questions & Answers
Numbers bash script
Post 303044087 by Scrutinizer on Thursday 13th of February 2020 01:57:40 PM
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Hi,
I've been trying to replace the numbers in the first column of my text file with all ones, unless the number is equal to 8. I have this:
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8 1 13 153 172
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Hi,
I have lines in some files that look exactly as below, and the line numbers they occur in are always the same. (Lines 136-139)
W 0.00000000 0.00000000 2.00000000
W 0.50000000 0.50000000 2.50000000
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Hi people :)
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Hi,
I need to match up some numbers in one file to the closest numbers in other file and produce an output file.
File one (f1.txt) is laid out like this
PCode Lon Lat
AB10 1AA 57.148235 -2.096648
BB2 3JD 53.728563 -2.47852
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Hello All,
I was wondering if someone might know how to do this. I have a word list that is format like the example below. I need to take away the :number after that... is there some kind of command I could use to remove them?
123456:5562
password:1507
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Hello everyone,
I need your assistance with bash.
I want to sum up some numbers, that's not the big problem i think, but the values i want to some depending on another number.
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Hi,
id like to know how i do this :
if i have 2 different numbers:
so ok bash knows B is bigger then A but i like to know in how much ?
how can i calculate ?
how can i know what is their difference ?
like the way you know between 10 and 2 the difference is 8
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Hello,
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LEARN ABOUT DEBIAN
vde_pcapplug
VDE_PCAPPLUG(1) General Commands Manual VDE_PCAPPLUG(1) NAME
vde_pcapplug - Virtual Distributed Ethernet libpcap cable SYNOPSIS
vde_pcapplug [OPTION]... interface DESCRIPTION
vde_pcapplug is a plug to be connected into a VDE switch. All the data that is catched by the plug is injected into interface and every- thing from that interface is sent in the switch. OPTIONS
-p, --port=portnum It is possible to decide which port of the switch to use. When this option is not specified the switch assigns the first available unused port (if any). It is possible to connect several cables in the same switch port: in this way all this cables work concur- rently. It means that packet can result as duplicate but no ARP table loops are generated. Is useful when vde is used for mobil- ity. Several physical interfaces can be used at a time during handoffs to prevent hichups in connectivity. -g, --group=group group ownership of the communication socket. For security when more want to share a switch it is better to use a unix group to own the comm sockets so that the network traffic cannot be sniffed. -m, --mod=octal-mode octal chmod like permissions for the comm sockets -s, --sock=socket specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl". -d, --daemon start vde_plug2tap as a background process -P, --pidfile=pidfile put the process ID of vde_plug2tap in pidfile. Can be used with --daemon to store the PID for future killing. -h, --help show a brief help NOTICE
Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). SEE ALSO
vde_switch(1), vde_plug(1), vdeq(1), dpipe(1). AUTHOR
VDE is a project by Renzo Davoli <renzo@cs.unibo.it> Virtual Distributed Ethernet August 20, 2008 VDE_PCAPPLUG(1)