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Shell Programming and Scripting
Non-integer argument in expr
Post 302520538 by niasha on Sunday 8th of May 2011 02:08:57 AM
05-08-2011
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Hi everybody,
I want to know how can i use the command 'expr' to manipulate float number , i have a shell bash and when (for example) i do:
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LEARN ABOUT DEBIAN
in.identtestd
IN.IDENTTESTD(8) Library functions IN.IDENTTESTD(8) NAME
in.identtestd - a small daemon that can be used to test Ident servers SYNOPSIS
in.identtestd DESCRIPTION
in.identtestd is a small daemon (to be started from inetd) that does an ident lookup on you if you telnet into it. Can be used to verify that your Ident server is working correctly. The source code can be found in the debian libident source package, as ident-tester.c. EXAMPLE
A typical entry in /etc/inetd.conf would be: 9999 stream tcp nowait root /usr/sbin/in.identtestd in.identtestd With the above entry in place and active, execute "telnet hostname 9999" from either this system, or another system. It should show some- thing like: Trying hostname... Connected to hostname. Escape character is '^]'. Welcome to the IDENT server tester, version 1.9 (Linked with libident 0.22 Debian) Connecting to Ident server at 192.168.1.1... Querying for lport 1109, fport 9999.... Reading response data... Userid response is: Lport........ 1109 Fport........ 9999 Opsys........ UNIX Charset...... <not specified> Identifier... paul Connection closed by foreign host. AUTHOR
Peter Eriksson <pen@lysator.liu.se> Manpage written for debian by Paul Slootman <paul@debian.org>. SEE ALSO
ident(3), identd(8), tcpd(8) 3rd Berkeley Distribution IN.IDENTTESTD(8)