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Full Discussion: How to extract when filename contains file seperator..?
Top Forums UNIX for Beginners Questions & Answers How to extract when filename contains file seperator..? Post 303015622 by gnnsprapa on Monday 9th of April 2018 05:31:51 AM
Old 04-09-2018
How to extract when filename contains file seperator..?
Hi,
I want to extract part of filename, for eg:

Code:
File="010020004_S-TOR-Sort-CASAP_20170519_121504_0007.TXT"

here i need first 5 words of file i.e.

Code:
FilePart="$(echo "${File%[-_]"${File#*[_-]*[-_]*[_-]*[_-]*[_-]*}"}")"
Echo $FilePart
010020004_S-TOR-Sort-CASAP

But what if i get filename like below:

Code:
File="010020004_S-TOR-Sort-CAS_P_20170519_121504_0007.TXT"
FilePart="$(echo "${File%[-_]"${File#*[_-]*[-_]*[_-]*[_-]*[_-]*}"}")"
Echo $FilePart
010020004_S-TOR-Sort-CAS

So in second file filename contains [_-] as seperators but "_" is present in filename itself..is there any way i can skip specific seperator and ignore if "_' is not seperator.

Kindly help me out on this
TIA
 

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LEARN ABOUT REDHAT

tor-resolve

TOR-RESOLVE(1)							    Tor Manual							    TOR-RESOLVE(1)

NAME

       tor-resolve - resolve a hostname to an IP address via tor

SYNOPSIS

       tor-resolve [-4|-5] [-v] [-x] hostname [sockshost[:socksport]]

DESCRIPTION

       tor-resolve is a simple script to connect to a SOCKS proxy that knows about the SOCKS RESOLVE command, hand it a hostname, and return an IP
       address.

       By default, tor-resolve uses the Tor server running on 127.0.0.1 on SOCKS port 9050. If this isn't what you want, you should specify an
       explicit sockshost and/or socksport on the command line.

OPTIONS

       -v
	   Display verbose output.

       -x
	   Perform a reverse lookup: get the PTR record for an IPv4 address.

       -5
	   Use the SOCKS5 protocol. (Default)

       -4
	   Use the SOCKS4a protocol rather than the default SOCKS5 protocol. Doesn't support reverse DNS.

SEE ALSO

       tor(1), torify(1).

       See doc/socks-extensions.txt in the Tor package for protocol details.

AUTHORS

       Roger Dingledine <arma@mit.edu>, Nick Mathewson <nickm@alum.mit.edu>.

AUTHOR

       Peter Palfrader
	   Author.

Tor								    09/26/2014							    TOR-RESOLVE(1)
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