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Shell Programming and Scripting
ksh check for non printable characters in a string
Post 302934827 by dips_ag on Wednesday 11th of February 2015 07:22:52 AM
02-11-2015
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Sometimes obvious things... are not so obvious. I always thought that it was possible to grep non printable characters but not with my GNU grep (5.2.1) version.
printf "Hello\tWorld" | grep -l '\t'
printf "Hello\tWorld" | grep -l '\x09'
printf "Hello\tWorld" | grep -l '\x{09}'
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i have a file which contains non printable characters
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cp $l_options $srcdirfile $destdirfile
If i want to check whether there is a non printable character in the variables
$l_options $srcdirfile $destdirfile
how it can be done? (2 Replies)
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Hi,
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Hi,
in a file, i have records as below:
123|62|absnb|267629
123|267|28728|uiuip
123|567|26761|2676
i want to remove the non printable characters after the end of each record.
I guess there are certain charcters but not visible.
i don't know what character that is exactly.
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Unable to grep:
Able to grep: (11 Replies)
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Hi,
I have a huge file (50 Mil rows) which has certain non-printable ASCII characters in it. I am cleaning the file by deleting those characters using the following command -
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Please note that I am excluding the following -
tab,... (6 Replies)
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LEARN ABOUT SUSE
alter_text_search_dictionary
ALTER TEXT SEARCH
DICTIONARY(7) SQL Commands ALTER TEXT SEARCH DICTIONARY(7) NAME
ALTER TEXT SEARCH DICTIONARY - change the definition of a text search dictionary SYNOPSIS
ALTER TEXT SEARCH DICTIONARY name ( option [ = value ] [, ... ] ) ALTER TEXT SEARCH DICTIONARY name RENAME TO newname ALTER TEXT SEARCH DICTIONARY name OWNER TO newowner DESCRIPTION
ALTER TEXT SEARCH DICTIONARY changes the definition of a text search dictionary. You can change the dictionary's template-specific options, or change the dictionary's name or owner. You must be the owner of the dictionary to use ALTER TEXT SEARCH DICTIONARY. PARAMETERS
name The name (optionally schema-qualified) of an existing text search dictionary. option The name of a template-specific option to be set for this dictionary. value The new value to use for a template-specific option. If the equal sign and value are omitted, then any previous setting for the option is removed from the dictionary, allowing the default to be used. newname The new name of the text search dictionary. newowner The new owner of the text search dictionary. Template-specific options can appear in any order. EXAMPLES
The following example command changes the stopword list for a Snowball-based dictionary. Other parameters remain unchanged. ALTER TEXT SEARCH DICTIONARY my_dict ( StopWords = newrussian ); The following example command changes the language option to dutch, and removes the stopword option entirely. ALTER TEXT SEARCH DICTIONARY my_dict ( language = dutch, StopWords ); The following example command ``updates'' the dictionary's definition without actually changing anything. ALTER TEXT SEARCH DICTIONARY my_dict ( dummy ); (The reason this works is that the option removal code doesn't complain if there is no such option.) This trick is useful when changing configuration files for the dictionary: the ALTER will force existing database sessions to re-read the configuration files, which otherwise they would never do if they had read them earlier. COMPATIBILITY
There is no ALTER TEXT SEARCH DICTIONARY statement in the SQL standard. SEE ALSO
CREATE TEXT SEARCH DICTIONARY [create_text_search_dictionary(7)], DROP TEXT SEARCH DICTIONARY [drop_text_search_dictionary(7)] SQL - Language Statements 2010-05-14 ALTER TEXT SEARCH DICTIONARY(7)