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Full Discussion: Removing PATTERN from txt without removing lines and general text formatting
Top Forums UNIX for Dummies Questions & Answers Removing PATTERN from txt without removing lines and general text formatting Post 302918505 by Don Cragun on Tuesday 23rd of September 2014 06:46:34 PM
Old 09-23-2014
The obvious simple solution is:
Code:
sed 's/ -- //' file.txt > newfile.txt

Is there some reason why your grep command was appending to newfile.txt instead of overwriting it?
 

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LEARN ABOUT DEBIAN

ebook-meta

EBOOK-META(1)							      calibre							     EBOOK-META(1)

NAME

       ebook-meta - part of calibre

SYNOPSIS

       ebook-meta  ebook_file [options]

DESCRIPTION

       Read/Write metadata from/to ebook files.

       Supported  formats  for	reading  metadata:  azw,  azw1,  azw3, azw4, cbr, cbz, chm, epub, fb2, html, htmlz, imp, lit, lrf, lrx, mobi, odt,
       oebzip, opf, pdb, pdf, pml, pmlz, pobi, prc, rar, rb, rtf, snb, tpz, txt, txtz, updb, zip

       Supported formats for writing metadata: azw, azw1, azw3, azw4, epub, htmlz, lrf, mobi, pdb, pdf, prc, rtf, tpz, txtz

       Different file types support different kinds of metadata. If you try to set some metadata on a file type that  does  not  support  it,  the
       metadata will be silently ignored.

       Whenever you pass arguments to ebook-meta that have spaces in them, enclose the arguments in quotation marks.

OPTIONS

       --version
	      show program's version number and exit

       -h, --help
	      show this help message and exit

       -t, --title
	      Set the title.

       -a, --authors
	      Set the authors. Multiple authors should be separated by the & character. Author names should be in the order Firstname Lastname.

       --title-sort
	      The  version  of	the  title  to be used for sorting. If unspecified, and the title is specified, it will be auto-generated from the
	      title.

       --author-sort
	      String to be used when sorting by author. If unspecified, and the author(s) are  specified,  it  will  be  auto-generated  from  the
	      author(s).

       --cover
	      Set the cover to the specified file.

       -c, --comments
	      Set the ebook description.

       -p, --publisher
	      Set the ebook publisher.

       --category
	      Set the book category.

       -s, --series
	      Set the series this ebook belongs to.

       -i, --index
	      Set the index of the book in this series.

       -r, --rating
	      Set the rating. Should be a number between 1 and 5.

       --isbn Set the ISBN of the book.

       --tags Set the tags for the book. Should be a comma separated list.

       -k, --book-producer
	      Set the book producer.

       -l, --language
	      Set the language.

       -d, --date
	      Set the published date.

       --get-cover
	      Get the cover from the ebook and save it at as the specified file.

       --to-opf
	      Specify the name of an OPF file. The metadata will be written to the OPF file.

       --from-opf
	      Read metadata from the specified OPF file and use it to set metadata in the ebook. Metadata specified on the command line will over-
	      ride metadata read from the OPF file

       --lrf-bookid
	      Set the BookID in LRF files

SEE ALSO

       The User Manual is available at http://manual.calibre-ebook.com

       Created by Kovid Goyal <kovid@kovidgoyal.net>

ebook-meta (calibre 0.8.51)					   January 2013 						     EBOOK-META(1)
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