by J Krugma » Sun, 06 Jun 2004 01:01:13
Why is it that, at least under bash, the following snippet
% perl -e 'print "ok\n"'
ok
works fine, but this one
% perl -e <<'EOF'
> print "ok\n"
> EOF
fails with the error message
No code specified for -e.
?
TIA,
jill
--
To s&e^n]d me m~a}i]l r%e*m?o\v[e bit from my a|d)d:r{e:s]s.
by Michael Tos » Sun, 06 Jun 2004 01:15:23
> Why is it that, at least under bash, the following snippet
> % perl -e 'print "ok\n"'
> ok
> works fine, but this one
> % perl -e <<'EOF'
> > print "ok\n"
> > EOF
> fails with the error message
> No code specified for -e.
> ?
> TIA,
> jill
> --
> To s&e^n]d me m~a}i]l r%e*m?o\v[e bit from my a|d)d:r{e:s]s.
perl <<'EOF'
print "ok\n"
EOF
--
Michael Tosch
IT Specialist
HP Managed Services Germany
Phone +49 2407 575 313
Mail: michael.tosch:hp.com
by Barry Margoli » Sun, 06 Jun 2004 01:30:24
The here-document created by <<'EOF' becomes perl's standard input, notQuote:> Why is it that, at least under bash, the following snippet
> % perl -e 'print "ok\n"'
> ok
> works fine, but this one
> % perl -e <<'EOF'
> > print "ok\n"
> > EOF
> fails with the error message
> No code specified for -e.
> ?
% perl -e "`cat <<'EOF'
or:Quote:> print "ok\n"
> EOF
> `"
% perl -- <<'EOF'
--Quote:> print "ok\n"
> EOF
by J Krugma » Sun, 06 Jun 2004 02:26:48
>> % perl -e 'print "ok\n"'
>> ok
>> works fine, but this one
>> % perl -e <<'EOF'
>> > print "ok\n"
>> > EOF
>> fails with the error message
>> No code specified for -e.
>> ?
>The here-document created by <<'EOF' becomes perl's standard input, not
>a command-line argument. You want:
>% perl -e "`cat <<'EOF'
>> print "ok\n"
>> EOF
>> `"
>or:
>% perl -- <<'EOF'
>> print "ok\n"
>> EOF
Many thanks! (And to Michael too.)
jill
--
To s&e^n]d me m~a}i]l r%e*m?o\v[e bit from my a|d)d:r{e:s]s.
1. what does << do and why doesn't it work inside of an if
I'm trying to write a bash script.
I'm using:
ftp -n -i << END_FTP
open $mydomain
user $myusername $mypassword
cd $subdirremote
ls
mput *
bye
END_FTP
which works fine .. UNTIL I put it inside an if statement.. then I get an
error: line .. unexpected end of file. What would cause this?
Maybe it would help if I understood what the << is really doing for me.
I thought it just told the script to use the following series of commands
until it ran across the specified string (END_FTP in this case) but perhaps
I misunderstood. I tried removing the variablels and replacing wtih real
information but it still did the same thing..
Thanks.
~Mike
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