Chu Li wrote:
[CC:'ing [email protected] since the question
sometimes comes up on the Solaris side, too]
> Could anyone give me some examples?
For example this test...
-- snip --
for str in "foo bar" "bar foo" "bar" "chicken foo" "BaR FoO" ;
do
printf "# String %q\tmatches: " "$str"
[[ "${str}" == ~(El)foo ]] && printf "~(El)foo\t"
[[ "${str}" == ~(Er)foo ]] && printf "~(Er)foo\t"
[[ "${str}" == ~(El)bar ]] && printf "~(El)bar\t"
[[ "${str}" == ~(El)bar ]] && printf "~(Er)bar\t"
[[ "${str}" == ~(Elr)bar ]] && printf "~(Elr)bar\t"
[[ "${str}" == ~(Eli)bar ]] && printf "~(Eli)bar\t"
[[ "${str}" == ~(Eli)bar ]] && printf "~(Eli)bar\t"
[[ "${str}" == ~(F)foo\ bar ]] && printf "~(F)foo\ bar\t"
[[ "${str}" == ~(Fi)Chicken ]] && printf "~(Fi)Chicken\t"
[[ "${str}" == ~(Si)Foo*Bar ]] && printf "~(Si)Foo*Bar\t"
printf "\n"
done
exit 0
-- snip --
... would print:
-- snip --
# String 'foo bar' matches: ~(El)foo ~(F)foo bar
~(Si)Foo*Bar
# String 'bar foo' matches: ~(Er)foo ~(El)bar
~(Er)bar ~(Eli)bar ~(Eli)bar
# String bar matches: ~(El)bar ~(Er)bar ~(Elr)bar
~(Eli)bar ~(Eli)bar
# String 'chicken foo' matches: ~(Er)foo ~(Fi)Chicken
# String 'BaR FoO' matches: ~(Eli)bar ~(Eli)bar
-- snip --
> How to use the added options "E,F,G,K,N,l,r"?
* Pattern matching systems (all uppercase characters, must come first):
"E" means "egrep" pattern
"F" means "fgrep" pattern
"G" means "grep" pattern
"S" means "shell" pattern
"K" means "korn shell" pattern
"P" means "perl" pattern
* Options (all lowercase characters):
"i" means "case insensitive match"
"l" means "left anchor"
"r" means "right anchor"
> And what the meaning of "anchor" in manpage?
"left anchor" means that the pattern search starts at the left side
(this is the same as the '^' character in "egrep") and "right anchor"
means the pattern search ends at the right side (this is the same as the
'$' character in "egrep").
----
Bye,
Roland
--
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(o.\ \/ /.o) [email protected]
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