🚀 go-pugleaf

In article <25665@uflorida.cis.ufl.EDU>, bjs@reef.cis.ufl.edu (Brian J. Smith)
writes:
|> I have searched high and low for the answer on how to strip a NEWLINE
|> charactor from a file.  Well not really a NEWLINE char, but a ":\\\n"
|> (colon,back-slash,newline).  I have tried useing sed with:
|> 
|> 	sed 's/:\\\n//' file
|> 
|> and using the RS variable in awk, but to no avail.  sed will remove
|> the colon and the back-slash, but not the newline.

   The key is that "\n Matches a NEWLINE embedded in the pattern space." (from
sed(1)).  So you must embed a NL in the pattern space!  With the "N" command,
for example.  The following does what you asked for, I should think:

	sed -e ': more
		/:\\$/{
		N
		s/:\\\n	*:*/:/
		t more
		}'

You can read this as
	while the current line ends with ":\", do
		append next line to current, with NL in between,
		get rid of "\", the NL and some TABs and superfluous ":"s
		end while

Have fun! Sed is a wonderful tool, as long as you don't overuse it...

					Philippe Deschamp.
Tlx: 697033F   Fax: +33 (1) 39-63-53-30   Tel: +33 (1) 39-63-58-58
Email: Philippe.Deschamp@nuri.inria.fr   ||   ...!inria!deschamp
Smail: INRIA, Rocquencourt, BP 105, 78153 Le Chesnay Cedex, France

In article <25665@uflorida.cis.ufl.EDU> bjs@reef.cis.ufl.edu (Brian J. Smith) writes:
>
>When TFM fails, when all the books I have fail, I run to netland.
>
>I have searched high and low for the answer on how to strip a NEWLINE
>charactor from a file.  Well not really a NEWLINE char, but a ":\\\n"
>(colon,back-slash,newline).  I have tried useing sed with:
>
>	sed 's/:\\\n//' file
>
>and using the RS variable in awk, but to no avail.  sed will remove
>the colon and the back-slash, but not the newline.
>
>Here is the section of code that I am playing with.

Not taking time to play with it but.
a printf statement in awk will not input a newline unless you specify
one.

 { printf("%s|%s|%s|%s|%s|%s ", $1, $2, $3, $4, $5, $6) }
  
  (assuming you want the pipe char as a seperator)

>
>#
>ps301d|bigps|qms|QMS-2210 in E301D:\
>	:lp=/dev/ttyb:sd=/var/spool/ps301d:\
>	:af=/var/adm/ps301d.acct:lf=/var/spool/ps301d/errs:\
>	:br#9600:rw:fc#0000374:fs#0000003:xc#0:xs#0040040:\
>	:mx#0:rg=printer:sf:sh:\
>	:if=/local/lib/ps/psif:of=/local/lib/ps/psof:\
>	:cf=/cis/reef/wp42/bin/wplpr:df=/local/lib/ps/psdf:\
>	:gf=/local/lib/ps/psgf:nf=/local/lib/ps/psnf:\
>	:rf=/local/lib/ps/psrf:tf=/local/lib/ps/pstf:\
>	:vf=/local/lib/ps/psvf:
>#
>
>This is what I want the file to look like after the (colon,back-slash,newline)
>has been striped.  As you can see what I really want is to strip a 
>(colon,back-slash,newline,tab), but if someone could just get rid of that 
>darn newline for me I would be *very* happy.
>
>#
>ps301d|bigps|qms|QMS-2210 in E301D:lp=/dev/ttyb:sd=/var/spool/ps301d:af=/var/adm/ps301d.acct:lf=/var/spool/ps301d/errs:br#9600:rw:fc#0000374:fs#0000003:xc#0:xs#0040040:mx#0:rg=printer:sf:sh:if=/local/lib/ps/psif:of=/local/lib/ps/psof:cf=/cis/reef/wp42/bin/wplpr:df=/local/lib/ps/psdf:gf=/local/lib/ps/psgf:nf=/local/lib/ps/psnf:rf=/local/lib/ps/psrf:tf=/local/lib/ps/pstf:vf=/local/lib/ps/psvf:
>#
>
>I know that perl can most likely solve this probelm nicely, so I am willing to
>hear of any responses, but for standardaztion I would like to use only standard
>unix filters.  Sorry Larry.
>--
>Brian J. Smith					Work: 904-392-1183
>CIS Sys Admin Staff				301 CSE Building
>bjs@cis.ufl.edu					Univ of Florida, 32612

In article <1781@seti.inria.fr>, deschamp@minos.inria.fr (Philippe Deschamp) writes:
> [sed script to remove \<new-line>]
> 	sed -e ': more
> 		/:\\$/{
> 		N
> 		s/:\\\n	*:*/:/
> 		t more
> 		}'

Anybody got any ideas on how to make this script work on input of the form

one:\
two:\
three:\
oops:\
<EOF>

Currently, the N command aborts and the script produces no output on the
last iteration; I'd like it to just act as if the last \ wasn't there.

Steve Kennedy
smk@cbosgd.att.com
smk@cbnews.att.com

	tr -d '\012' < file

will strip newlines.  Use 'sed' first if removing other stuff, e.g.

	sed 'whatever' file | tr -d '\012'