DESCRIPTION
Usage: ndselect -h|--help|-v|--version orndselect [-b N][-e N][-s N][-F N][-L N][-I N][-S IFS][-D DELIMS][-O OSEP][-x][-l PATH][-o PATH] [FILE]
Print to standard output a subset of lines and fields from a given file.
The argument after the options is the name of the file to read from. The complete path of the file should be given, a directory name is not accepted. If no input file is specified, the program reads from the standard input.
Exit status: 0 in case of normal termination, -1 (255) in case of error
-b, --beginning, --start=N
- Set to N the number of the first line to print (The default behavior is to start with line number 1)
-e, --end=N
- Set to N the number of the last line that can be printed (The default behavior is to arrive till to the end of the file)
-s, --step=N
- Set to N the increment to use when selecting the lines to print (The default value for the increment is 1)
-F, --first-field=N
- Set to N the number of the first field to print (The default behavior is to start with field number 1)
-L, --last-field=N
- Set to N the number of the last field that can be printed (The default behavior is to arrive till to the end of every line)
-I, --increment=N
- Set to N the increment to use when selecting the fields to print (The default value for the increment is 1)
-S, --separators=IFS
- Specify the set of characters to use as delimiters while splitting the input lines into fields (The default set of delimiters is space, tab and newline)
-D, --delimiters=DELIMS
- Specify the set of strings to use as delimiters while splitting the input lines into fields (The default set of delimiters is space, tab and newline)
-O, --output-separator=OSEP
- Specify the string to use as separator while writing the selected fields to the standard output (The default behavior consists in reusing the delimiters found in the input lines)
-x, --omit-empty-lines
- Do not print empty lines
-l, --warnings-to=PATH
- Redirect warning and error messages from stderr to the indicated file
-o, --output=PATH
- Redirect output from stdout to the indicated file
-h, --help
- Show this help message
-v, --version
- Show version number, Copyright, Distribution Terms and NO-Warranty
COPYRIGHT
Copyright © 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Ivano Primi <[email protected]>License GPLv3+: GNU GPL version 3 or later, see <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.