GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 9.0(Shrike) |
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uniq(1) |
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uniq − remove duplicate lines from a sorted file
uniq [OPTION]... [INPUT [OUTPUT]]
Discard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).
Mandatory
arguments to long options are mandatory for short options
too.
−c, −−count
prefix lines by the number of occurrences
−d, −−repeated
only print duplicate lines
−D, −−all−repeated[=delimit−method] print all duplicate lines
delimit-method={none(default),prepend,separate} Delimiting is done with blank lines.
−f, −−skip−fields=N
avoid comparing the first N fields
−i, −−ignore−case
ignore differences in case when comparing
−s, −−skip−chars=N
avoid comparing the first N characters
−u, −−unique
only print unique lines
−w, −−check−chars=N
compare no more than N characters in lines
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−−help |
display this help and exit |
−−version
output version information and exit
A field is a run of whitespace, then non-whitespace characters. Fields are skipped before chars.
Written by Richard Stallman and David MacKenzie.
Report bugs to <bug-coreutils@gnu.org>.
Copyright
© 2002 Free Software Foundation, Inc.
This is free software; see the source for copying
conditions. There is NO warranty; not even for
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
The full documentation for uniq is maintained as a Texinfo manual. If the info and uniq programs are properly installed at your site, the command
info uniq
should give you access to the complete manual.
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uniq(1) | |