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Shell Programming and Scripting
cannot print the columns i want with awk.
Post 302363854 by Casey on Wednesday 21st of October 2009 12:35:50 PM
10-21-2009
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i have a file with content
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00:01:34.158 459556
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and i want to print only output as below
00:01:20.613 459254
00:01:34.158 459556
00:01:36.626 459255
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Hi,
I'm using awk to print columns from a tab delimited text file:
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LEARN ABOUT CENTOS
lcp_crtpollist
LCP_CRTPOLLIST(8) User Manuals LCP_CRTPOLLIST(8) NAME
lcp_crtpollist - create an Intel(R) TXT policy list SYNOPSIS
lcp_crtpollist COMMAND [OPTION] DESCRIPTION
lcp_crtpollist is used to create an Intel(R) TXT policy list. OPTIONS
--create Create an TXT policy list. The following options are available: --out file policy list file [--ver version] version [file]... policy element files --sigh Sign an TXT policy list. --pub key-file PEM file of public key --out file policy list file [--priv key-file] PEM file of private key [--rev rev-ctr] revocation counter value [--nosig] don't add SigBlock --addsig --sig file file containing signature (big-endian) --out file policy list file --show file policy list file --help Print out the help message. --verbose Enable verbose output; can be specified with any command. EXAMPLES
Create policy list: Assuming there have been two element file mle.elt and pconf.elt generated by lcp_crtpolelt(8) The following example can create an unsigned policy list: lcp_crtpollist --create --out list-unsig.lst mle.elt pconf.elt Sign policy list: Unsigned policy list can be signed by the command lcp_crtpollist(8) or openssl(1). The openssl(1) signing is supported for cases where the signing environment is separate from the policy creation environment and the software allowed to run there is strictly controlled and already supports openssl(1). The following example uses openssl(1) to sign the list: 1 openssl rsa -pubout -in privkey.pem -out pubkey.pem 2 cp list-unsig.lst list-sig.lst 3 lcp_crtpollist --sigh --pub pubkey.pem --nosig --out list-sig.lst 4 openssl genrsa -out privkey.pem 2048 5 openssl dgst -sha1 -sign privkey.pem -out list.sig list-sig.lst 6 lcp_crtpollist --addsig --sig list.sig --out list-sig.lst lcp_crtpollist can also be used to sigh a policy list. The following example are intended to be mutually exclusive with the preceding exam- ple. 1 openssl genrsa -out privkey.pem 2048 2 openssl rsa -pubout -in privkey.pem -out pubkey.pem 3 cp list-unsig.lst list-sig.lst 4 lcp_crtpollist --sign --pub pubkey.pem --priv privkey.pem --out list-sig.lst SEE ALSO
lcp_crtpol2(8), lcp_crtpolelt(8), lcp_crtpollist(8), openssl(1). tboot 2011-12-31 LCP_CRTPOLLIST(8)