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Full Discussion: Script to replace stings in multiple text files
Top Forums Shell Programming and Scripting Script to replace stings in multiple text files Post 302977325 by Don Cragun on Friday 15th of July 2016 10:06:29 PM
Old 07-15-2016
This can be done fairly quickly with sed, but without a clearer description and representative sample input and corresponding sample output, I wouldn't want to hazard a guess at code that might do what you really want.
  1. What operating system are you using?
  2. What shell are you using?
  3. What have you tried to solve this problem on your own?
  4. What is the field delimiter in your .csv files?
  5. Does this string only appear once in each file, or does it appear on multiple lines, or does it appear multiple times on a single line, or multiple times on multiple lines?
  6. Do you want to make this change everywhere in a file or only on certain lines and/or only in certain fields?
  7. Is the text you want to change 0.00 or "0.00"?
  8. Is the replacement text supposed to be #missing or "#missing"?
This User Gave Thanks to Don Cragun For This Post:
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LEARN ABOUT PHP

cut

CUT(1)								   User Commands							    CUT(1)

NAME

       cut - remove sections from each line of files

SYNOPSIS

       cut OPTION... [FILE]...

DESCRIPTION

       Print selected parts of lines from each FILE to standard output.

       With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -b, --bytes=LIST
	      select only these bytes

       -c, --characters=LIST
	      select only these characters

       -d, --delimiter=DELIM
	      use DELIM instead of TAB for field delimiter

       -f, --fields=LIST
	      select only these fields;  also print any line that contains no delimiter character, unless the -s option is specified

       -n     (ignored)

       --complement
	      complement the set of selected bytes, characters or fields

       -s, --only-delimited
	      do not print lines not containing delimiters

       --output-delimiter=STRING
	      use STRING as the output delimiter the default is to use the input delimiter

       -z, --zero-terminated
	      line delimiter is NUL, not newline

       --help display this help and exit

       --version
	      output version information and exit

       Use  one,  and only one of -b, -c or -f.  Each LIST is made up of one range, or many ranges separated by commas.  Selected input is written
       in the same order that it is read, and is written exactly once.	Each range is one of:

       N      N'th byte, character or field, counted from 1

       N-     from N'th byte, character or field, to end of line

       N-M    from N'th to M'th (included) byte, character or field

       -M     from first to M'th (included) byte, character or field

AUTHOR

       Written by David M. Ihnat, David MacKenzie, and Jim Meyering.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report cut translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       Full documentation at: <http://www.gnu.org/software/coreutils/cut>
       or available locally via: info '(coreutils) cut invocation'

GNU coreutils 8.28						   January 2018 							    CUT(1)
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