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Full Discussion: Get group of consecutive uppercase words using gawk
Top Forums Shell Programming and Scripting Get group of consecutive uppercase words using gawk Post 302645337 by neutronscott on Wednesday 23rd of May 2012 08:55:58 AM
Old 05-23-2012
Quote:
Originally Posted by louisJ
But anchal_khare you are right, I have an uppercase at the begining of sentences, is there a way to exclude it in the netronscott's command ?
What do you mean? Mine would only match what is after 'The Thing'. In his, he checks the line for 'The Thing' but then starts at the beginning rather than the start of the occurance of 'The Thing' for capital words..


Quote:
Originally Posted by louisJ
And another thing, how to get all the matching expressions in the line, not only the first one?
This would require a loop. Continuing with the match method:

Code:
#!/usr/bin/awk -f
 
{
  offset=0
  while (match(substr($0,offset+1),/The Thing([[:space:]]*[[:upper:]][^[:space:]]*)*/))
  {
    print substr($0,RSTART+offset,RLENGTH)
    offset+=RSTART+RLENGTH
  }
}

tested with this input i made up:

Code:
[mute@geek ~/temp/louisJ]$ cat input
some would say The Thing He Wants and The Thing She Gives Him are not The Thing That Matters Most. :(
This Thing and The Thing like Another Thing
I HAVE NOT The Thing TO DO WITH IT! The Thing Is Not Here it is there
 
[mute@geek ~/temp/louisJ]$ ./script input
The Thing He Wants
The Thing She Gives Him
The Thing That Matters Most.
The Thing
The Thing TO DO WITH IT! The Thing Is Not Here

if you want 'The Thing' to also allow matches like 'THE THING' you can group the successive letters like so: T[Hh][Ee] T[Hh][Ii][Nn][Gg]

another thing (heh): In the last example, the longest match is taken, so you see the 2nd 'The Thing' stays a part of one match. Do you want it split at the second occurance of 'The Thing' within another 'The Thing' ?
Last edited by neutronscott; 05-23-2012 at 10:01 AM..
 

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LEARN ABOUT SUSE

sg

newgrp(1)						      General Commands Manual							 newgrp(1)

NAME

       newgrp -  change effective group ID sg - execute command with different group ID

SYNOPSIS

       newgrp [-l] [group]
       sg group -c command

DESCRIPTION

       The  newgrp  command changes the user's real and effetive group ID by replacing the current shell with a new shell. A new shell is launched
       even if an error occours.

       A password is requested if the group has a password and the user is not listed in the group file as being a member of that group. The pass-
       word can be changed with the gpasswd(1) command.

       If the new effective group ID is not in the supplementary group list, newgrp will add the new group ID to the supplementary list, too.

       With  no  operands  and options, newgrp changes the user's group IDs (real and effective) back to the group specified in password and group
       file.

       The sg command works like the newgrp command, except that it executes the given command with /bin/sh and upon exit the group ID of the cur-
       rent shell is not changed.

OPTIONS

       -l, --login
	      reinitialize the environment as if the user logged in.

       --help Print a help list.

       -u, --usage
	      Print a short usage message.

       -v, --version
	      Print program version.

SEE ALSO

       gpasswd(1), group(5), passwd(1), passwd(5), su(1)

AUTHOR

       Thorsten Kukuk <kukuk@suse.de>

pwdutils							    April 2004								 newgrp(1)
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