Hi Guys,
so, getting it to the cmd line wasn't the problem, it was the interpretation by Perl eg

Puppet out:

Debug: Exec[line_remove](provider=posix): Executing '/usr/bin/perl -w 
+-ni -e 'my $qs = quotemeta('ssh-rsa AAAA/BBBB/knMQ== user@host.f.q.d.
+n'); print unless  /^$qs$/ ' '/root/user/b1.bak''
Debug: Executing: '/usr/bin/perl -w -ni -e 'my $qs = quotemeta('ssh-rs
+a AAAA/BBBB/knMQ== user@host.f.q.d.n'); print unless  /^$qs$/ ' '/roo
+t/user/b1.bak''
Notice: /Stage[main]/Main/Line[ssh_key]/Exec[line_remove]/returns: Unq
+uoted string "ssh" may clash with future reserved word at -e line 1.
Notice: /Stage[main]/Main/Line[ssh_key]/Exec[line_remove]/returns: syn
+tax error at -e line 1, at EOF
Notice: /Stage[main]/Main/Line[ssh_key]/Exec[line_remove]/returns: Exe
+cution of -e aborted due to compilation errors.

## Same errors as direct at the cmd line
# /usr/bin/perl -w -ni -e 'my $qs = quotemeta('ssh-rsa AAAA/BBBB/knMQ=
+= user@host.f.q.d.n'); print unless  /^$qs$/ ' '/root/user/b1.bak'
Unquoted string "ssh" may clash with future reserved word at -e line 1
+.
syntax error at -e line 1, at EOF
Execution of -e aborted due to compilation errors.

# Try swap outer quotes '-> "
# /usr/bin/perl -w -ni -e "my $qs = quotemeta('ssh-rsa AAAA/BBBB/knMQ=
+= user@host.f.q.d.n'); print unless  /^$qs$/ " '/root/user/b1.bak'
syntax error at -e line 1, near "my  ="
Execution of -e aborted due to compilation errors.

# Try "" around quotemeta string
# /usr/bin/perl -w -ni -e 'my $qs = quotemeta("ssh-rsa AAAA/BBBB/knMQ=
+= user@host.f.q.d.n"); print unless  /^$qs$/ ' '/root/user/b1.bak'
Possible unintended interpolation of @host in string at -e line 1.
Name "main::host" used only once: possible typo at -e line 1.
[download]

However, using the post by gam3 here https://www.perlmonks.org/?node_id=438860 ('general soln'), it seemed to work

# Direct cli
# perl -w -ni -e 'my $str = sprintf( qq(%s), q(ssh-rsa AAAA/BBBB/knMQ=
+= user@host.f.q.d.n) ); print $_ unless $_ =~ /$str/ '  /root/user/b1
+.bak


# From within  puppet
command => "/usr/bin/perl -w -ni -e 'my \$str = sprintf( qq(%s), q($li
+ne) ); print \$_ unless \$_ =~ /\$str/ ' '${file}'",
[download]

But a full ssh key has a '+' char as well, and that fails to match :(

# cat b1.bak 
ssh-rsa CCCC/DDDD/knMQ== user@host2.f.q.d.n
ssh-rsa AAAA/BBBB/kPW+Yi9yZ7Kh0mL/knMQ== user@host.f.q.d.n

 # perl -w -n -e 'my $str = sprintf( qq(%s), q(ssh-rsa AAAA/BBBB/kPW+Y
+i9yZ7Kh0mL/knMQ== user@host.f.q.d.n) ); print $_ unless $_ =~ /$str/ 
+'  /root/user/b1.bak
ssh-rsa CCCC/DDDD/knMQ== user@host2.f.q.d.n
ssh-rsa AAAA/BBBB/kPW+Yi9yZ7Kh0mL/knMQ== user@host.f.q.d.n
[download]

So close ... damn it ... looks like I DO need to get quotemeta() working...
An ideas?

Cheers
Chris

BTW, when I write the post for perlmonks, it uses all the whitespace, but when I actually commit the post, it crams all code stuff to one side; why ?

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