[CentOS] perl code to remove newlines
Bart Schaefer
barton.schaefer at gmail.com
Fri Dec 31 03:52:30 UTC 2010
On Thu, Dec 30, 2010 at 5:19 AM, ken <gebser at mousecar.com> wrote:
>
>
> --------- begin snippet ---------
> while (<$in>)
> {
> s/<(\w*\W)/<\L$1/g; # Downcase XXX in "<XXX".
> s/<\/(\w*\W)/<\/\L$1/g; # Downcase XXX in "</XXX".
chomp; # Always remove the newline
unless (/<html/) {
# Not on first line, so
> if(/^>/) # if this line starts with '>'
> { # then
> $curr = tell $in; # Note current file position,
> seek $in, $prev, 0; # go back to previous line,
> chomp; # remove its trailing newline char,
> seek $in, $curr, 0; # and reset position to current line.
> }
> else
> {
> $curr = tell $in; # Note current file position,
> seek $in, $prev, 0; # go back to previous line
> s/\n/ /; # Append a space,
> chop; # and then chomp.
> seek $in, $curr, 0; # and reset position to current line.
> }
> print;
> print $out;
> $prev = tell $in; # Location of previous line.
> }
> --------- end snippet ---------
>
> When I cat the output file, it looks like this:
>
> --------- begin snippet ---------
> GLOB(0x9fd587c)<htmlGLOB(0x9fd587c)><headGLOB(0x9fd587c)><titleGLOB(0x9fd587c)>We've
> Lied to
> You…</titleGLOB(0x9fd587c)><metaGLOB(0x9fd587c)NAME="GENERATOR"GLOB(0x9fd587c)CONTENT="Modular
> DocBook HTML Stylesheet Version
> 1.79"><linkGLOB(0x9fd587c)REL="HOME"GLOB(0x9fd587c)TITLE="Maximum
> RPM"GLOB(0x9fd587c)HREF="index.html"><linkGLOB(0x9fd587c)REL="UP"GLOB(0x9fd587c)TITLE="Using
> RPM to Verify Installed
> Packages"GLOB(0x9fd587c)HREF="ch-rpm-verify.html"><linkGLOB(0x9fd587c)....
> --------- end snippet ---------
>
> The output I should say *is* all on one line, not line-wrapped the way
> you see it above. I have a hunch as to why there are the
> "GLOB(0x9fd587c)" thingies everywhere the newlines or spaces (' ')
> should be. If some expert here could explain them, that would be really
> good. More importantly though would be some instruction as to how to
> remove the newlines without creating all the GLOB(...) garbage. Might I
> have to rewrite the script so to open the file in binary mode... or what?
>
>
> Maximum thanks for your assistance.
>
>
>
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