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Top Forums Shell Programming and Scripting how to find the shortest line which containing a key string? Post 302603620 by sunnydanniel on Thursday 1st of March 2012 01:41:14 PM
Old 03-01-2012
how to find the shortest line which containing a key string?

hi all,

suppose a key string: M0271857

and to find all lines containing this key string in a text file

which returns multiple lines

but i only want the shortest one

is there a way to do that?

thanks so much!
 

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KSTASH(8)						    BSD System Manager's Manual 						 KSTASH(8)

NAME
kstash -- store the KDC master password in a file SYNOPSIS
kstash [-e string | --enctype=string] [-k file | --key-file=file] [--convert-file] [--random-key] [--master-key-fd=fd] [--random-key] [-h | --help] [--version] DESCRIPTION
kstash reads the Kerberos master key and stores it in a file that will be used by the KDC. Supported options: -e string, --enctype=string the encryption type to use, defaults to DES3-CBC-SHA1. -k file, --key-file=file the name of the master key file. --convert-file don't ask for a new master key, just read an old master key file, and write it back in the new keyfile format. --random-key generate a random master key. --master-key-fd=fd filedescriptor to read passphrase from, if not specified the passphrase will be read from the terminal. FILES
/var/heimdal/m-key is the default keyfile if no other keyfile is specified. The format of a Heimdal master key is the same as a keytab, so ktutil list can be used to list the content of the file. SEE ALSO
kdc(8) HEIMDAL
April 10, 2007 HEIMDAL
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