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Top Forums UNIX for Dummies Questions & Answers how to find a word in a file that appears next to a given keyword Post 302450307 by mwrg on Thursday 2nd of September 2010 10:47:30 AM
Old 09-02-2010
hi Scrutinizer! sed command works. but it shows the rest of the line. i want to retrieve just the next word. it might be separated by "_"s or "."s.

Thanks

---------- Post updated at 07:33 AM ---------- Previous update was at 07:32 AM ----------

Quote:
Originally Posted by bartus11
Code:
[pelccbar@itchy tmp]$ perl -nle 'print $& if /(?<=extended )\w+/' file
BLA_Outgoing_Filter


Hi Bartus11. your command works. but it only shows the prefix if "." was found in the word

---------- Post updated at 09:47 AM ---------- Previous update was at 07:33 AM ----------

i found a workaround to get just the word after the keyword. still i would like to see how this can be done through sed.

Still this only works only if there is one white space between the keyword and the next word. how to eliminate all the white spaces between the keyword and the next word?
 

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apropos(1)							   User Commands							apropos(1)

NAME
apropos - locate commands by keyword lookup SYNOPSIS
apropos keyword... DESCRIPTION
The apropos utility displays the man page name, section number, and a short description for each man page whose NAME line contains keyword. This information is contained in the /usr/share/man/windex database created by catman(1M). If catman(1M) was not run, or was run with the -n option, apropos fails. Each word is considered separately and the case of letters is ignored. Words which are part of other words are considered; for example, when looking for `compile', apropos finds all instances of `compiler' also. apropos is actually just the -k option to the man(1) command. EXAMPLES
Example 1 To find a man page whose NAME line contains a keyword Try example% apropos password and example% apropos editor If the line starts `filename(section) ...' you can run man -s section filename to display the man page for filename. Example 2 To find the man page for the subroutine printf() Try example% apropos format and then example% man -s 3s printf to get the manual page on the subroutine printf(). FILES
/usr/share/man/windex table of contents and keyword database ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWdoc | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
man(1), whatis(1), catman(1M), attributes(5) DIAGNOSTICS
/usr/share/man/windex: No such file or directory This database does not exist. catman(1M) must be run to create it. SunOS 5.11 20 Dec 1996 apropos(1)
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