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Top Forums Shell Programming and Scripting How to use Perl to join multi-line into single line Post 302369895 by daptal on Monday 9th of November 2009 11:48:39 PM
Old 11-10-2009
Code:
 cat abc.txt
timestamp=2009-11-10-04.55.20.829347;
a;
b;
c;
ddaa;

timestamp=2009-11-10-04.55.20.829347;
aa;
bb;
cc;

Code:
 perl -e 'my $ln=0;
             while(<>){ 
                chomp;
                print "\n"if (m/^timestamp/ && $ln);
                print"$_";
                $ln++;}
print"\n" '

HTH,
PL
 

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pam_timestamp_check(8)					   System Administrator's Manual				    pam_timestamp_check(8)

NAME
pam_timestamp_check - check or clear authentication timestamps SYNOPSIS
pam_timestamp [[-d]|[-k]] [target_user] DESCRIPTION
With no arguments, pam_timestamp_check will check to see if the default timestamp is valid, or optionally remove it. OPTIONS
-k instead of checking the validity of a timestamp, remove it. This is analogous to sudo's -k option. -d Instead of returning validity using an exit status, loop indefinitely, polling regularly and printing the status on standard output. target_user The default behavior of pam_timestamp_check checks or removes timestamps generated by pam_timestamp when the user authenticates as herself. When the user authenticates as a different user, the name of the timestamp file changes to accomodate this. DIAGNOSTICS
When checking if a timestamp is valid, pam_timestamp_check returns an exit code of 0 for success and > 0 on error: 2: binary is not setuid-root 3: invalid invocation 4: user unknown 5: permissions error 6: invalid controlling tty 7: other error SEE ALSO
pam_timestamp(8) BUGS
Let's hope not, but if you find any, please email the author. AUTHOR
Nalin Dahyabhai <nalin@redhat.com> Red Hat Linux 2002/05/23 pam_timestamp_check(8)
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