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Full Discussion: sed [delete everything between two words]
Top Forums UNIX for Dummies Questions & Answers sed [delete everything between two words] Post 302153537 by drl on Tuesday 25th of December 2007 07:12:54 AM
Old 12-25-2007
Hi.

With sed:
Code:
#!/usr/bin/env sh

# @(#) s1       Demonstrate delete lines of range exclusive.
# This solution based on code tutorial at:
# http://sed.sourceforge.net/sedfaq.html
# 2007.12.25

set -o nounset
echo

debug=":"
debug="echo"

## Use local command version for the commands in this demonstration.

echo "(Versions displayed with local utility \"version\")"
version >/dev/null 2>&1 && version bash sed

echo

FILE=${1-data1}
echo " Input file $FILE:"
cat $FILE

echo
echo " Results from sed:"
sed '/WISH_LIST="/,/^"$/{
/WISH_LIST="/b
/^"$/b
d
}' $FILE

exit 0

Producing:
Code:
% ./s1

(Versions displayed with local utility "version")
GNU bash 2.05b.0
GNU sed version 4.1.2

 Input file data1:
hello
start
WISH_LIST="
candy
money
t-shirt
"
stop
cool
Christmas

 Results from sed:
hello
start
WISH_LIST="
"
stop
cool
Christmas

A tip of the hat to Eric Pement ... cheers, drl
 

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LEARN ABOUT V7

spell

SPELL(1)						      General Commands Manual							  SPELL(1)

NAME

       spell, spellin, spellout - find spelling errors

SYNOPSIS

       spell [ option ] ...  [ file ] ...

       /usr/src/cmd/spell/spellin [ list ]

       /usr/src/cmd/spell/spellout [ -d ] list

DESCRIPTION

       Spell  collects words from the named documents, and looks them up in a spelling list.  Words that neither occur among nor are derivable (by
       applying certain inflections, prefixes or suffixes) from words in the spelling list are printed on the standard output.	If  no	files  are
       named, words are collected from the standard input.

       Spell ignores most troff, tbl and eqn(1) constructions.

       Under the -v option, all words not literally in the spelling list are printed, and plausible derivations from spelling list words are indi-
       cated.

       Under the -b option, British spelling is checked.  Besides preferring centre, colour, speciality, travelled, etc., this option insists upon
       -ise in words like standardise, Fowler and the OED to the contrary notwithstanding.

       Under the -x option, every plausible stem is printed with `=' for each word.

       The  spelling  list  is	based  on many sources, and while more haphazard than an ordinary dictionary, is also more effective in respect to
       proper names and popular technical words.  Coverage of the specialized vocabularies of biology, medicine and chemistry is light.

       Pertinent auxiliary files may be specified by name arguments, indicated below with their default settings.  Copies of all output are  accu-
       mulated in the history file.  The stop list filters out misspellings (e.g. thier=thy-y+ier) that would otherwise pass.

       Two routines help maintain the hash lists used by spell.  Both expect a list of words, one per line, from the standard input.  Spellin adds
       the words on the standard input to the preexisting list and places a new list on the standard output.  If no list  is  specified,  the  new
       list  is  created from scratch.	Spellout looks up each word in the standard input and prints on the standard output those that are missing
       from (or present on, with option -d) the hash list.

FILES

       D=/usr/dict/hlist[ab]: hashed spelling lists, American & British
       S=/usr/dict/hstop: hashed stop list
       H=/usr/dict/spellhist: history file
       /usr/lib/spell
       deroff(1), sort(1), tee(1), sed(1)

BUGS

       The spelling list's coverage is uneven; new installations will probably wish to monitor the output for several months to gather local addi-
       tions.
       British spelling was done by an American.

																	  SPELL(1)
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