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Full Discussion: shell script - sed
Top Forums UNIX for Dummies Questions & Answers shell script - sed Post 302299760 by fpmurphy on Saturday 21st of March 2009 07:35:34 AM
Old 03-21-2009
Rather than using sed, I suggest you consider using awk. The following awk script works for the sample input you provided.
Code:
BEGIN { state=0 }
{
   if (substr($0,1,2) == "++" ) {
      if (state == 0) {
          state=1
          print "<start>"
      }
   } else {
      if ( state == 1 ) {
          state=0
          print "<end>"
      }
   }
   print $0
}

 

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LEARN ABOUT MINIX

groff_mmse

GROFF_MMSE(7)						 Miscellaneous Information Manual					     GROFF_MMSE(7)

NAMN

       groff_mmse - svenska mm makro for groff

SYNTAX

       groff -mmse [ flaggor...  ] [ filer...  ]

BESKRIVNING

       mmse  ar  en  svensk variant av mm. Alla texter ar oversatta. En A4 sida far text som ar 13 cm bred, 3.5 cm indragning samt ar 28.5 cm hog.
       Det finns stod for brevuppstallning enligt svensk standard for vanster och hogerjusterad text.

       COVER kan anvanda se_ms som argument. Detta ger ett svenskt forsattsblad.  Se groff_mm(7) for ovriga detaljer.

BREV

       Tillgangliga brevtyper:

       .LT SVV
	      Vansterstalld loptext med adressat i position T0 (vansterstallt).

       .LT SVH
	      Hogerstalld loptext med adressat i position T4 (passar fonsterkuvert).

       Foljande extra LO-variabler anvands.

       .LO DNAMN namn
	      Anger dokumentets namn.

       .LO MDAT datum
	      Mottagarens datum, anges under Ert datum: (LetMDAT).

       .LO BIL strang
	      Anger bilaga, nummer eller strang med Bilaga (LetBIL) som prefix.

       .LO KOMP text
	      Anger kompletteringsuppgift.

       .LO DBET beteckning
	      Anger dokumentbeteckning eller dokumentnummer.

       .LO BET beteckning
	      Anger beteckning (arendebeteckning i form av diarienummer eller liknande).

       .LO SIDOR antal
	      Anger totala antalet sidor och skrivs ut efter sidnumret inom parenteser.

       Om makrot .TP ar definierat anropas det efter utskrift av brevhuvudet.  Dar lagger man lampligen in postadress och annat som brevfot.

SKRIVET AV

       Jorgen Hagg, Lund, Sweden <Jorgen.Hagg@axis.se>

FILER

       /usr/share/groff/1.18.1/tmac/tmac.mse /usr/share/groff/1.18.1/tmac/mm/se_*.cov

SE OCKSA

       groff(1), troff(1), tbl(1), pic(1), eqn(1)
       groff_mm(7)

Groff Version 1.18.1						 09 December 2001						     GROFF_MMSE(7)
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