Re: [CentOS] Extract lines from text file

2012-08-16 Thread Tony Molloy
On Wednesday 15 August 2012 20:53:33 m.r...@5-cent.us wrote: Tony Molloy wrote: On Wednesday 15 August 2012 19:46:42 Les Mikesell wrote: On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy tony.mol...@ul.ie wrote: ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: m9718308:pw:9301:850: Lynch

Re: [CentOS] Extract lines from text file

2012-08-16 Thread wwp
Hello m.r...@5-cent.us, On Wed, 15 Aug 2012 11:47:21 -0400 m.r...@5-cent.us wrote: wwp wrote: On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy tony.mol...@ul.ie wrote: I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made

[CentOS] Extract lines from text file

2012-08-15 Thread Tony Molloy
Hi, I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made from a letter followed by their id-number. m9718508:pw:9301:840: Lynch :/home/pgstud/m9718508:/bin/bash So for instance if I need to extract lines where; the 1st

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Rajagopal Swaminathan
Greetings, On Wed, Aug 15, 2012 at 7:52 PM, Tony Molloy tony.mol...@ul.ie wrote: Hi, So for instance if I need to extract lines where; the 1st field, the username begins with an m and the 4th field, the group contains exactly 850 cut -d: -f1,4 input-filename -- Regards, Rajagopal

Re: [CentOS] Extract lines from text file

2012-08-15 Thread wwp
Hello Tony, On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy tony.mol...@ul.ie wrote: Hi, I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made from a letter followed by their id-number. m9718508:pw:9301:840: Lynch

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Marcelo Beckmann
Em 15-08-2012 11:22, Tony Molloy escreveu: Hi, I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made from a letter followed by their id-number. m9718508:pw:9301:840: Lynch :/home/pgstud/m9718508:/bin/bash So for

Re: [CentOS] Extract lines from text file

2012-08-15 Thread m . roth
wwp wrote: On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy tony.mol...@ul.ie wrote: I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made from a letter followed by their id-number. m9718508:pw:9301:840: Lynch

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Tony Mountifield
In article 81eb30fb297893749f5c1e211f08c7e4.squir...@mail.5-cent.us, m.r...@5-cent.us wrote: wwp wrote: On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy tony.mol...@ul.ie wrote: I'm looking for a command to extract lines from a large text file, a password file. A typical user has a

Re: [CentOS] Extract lines from text file

2012-08-15 Thread m . roth
Tony Mountifield wrote: In article 81eb30fb297893749f5c1e211f08c7e4.squir...@mail.5-cent.us, m.r...@5-cent.us wrote: wwp wrote: On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy tony.mol...@ul.ie wrote: I'm looking for a command to extract lines from a large text file, a password file. A

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Tilman Schmidt
Am 15.08.2012 16:36, schrieb Marcelo Beckmann: Em 15-08-2012 11:22, Tony Molloy escreveu: [...] cat passwdfile | grep ^m | grep 850 output [...] ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat Because a cat is a terrible thing to

Re: [CentOS] Extract lines from text file

2012-08-15 Thread m . roth
Tilman Schmidt wrote: Am 15.08.2012 16:36, schrieb Marcelo Beckmann: Em 15-08-2012 11:22, Tony Molloy escreveu: [...] cat passwdfile | grep ^m | grep 850 output [...] ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat Because a

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Tony Molloy
On Wednesday 15 August 2012 15:36:09 Marcelo Beckmann wrote: Em 15-08-2012 11:22, Tony Molloy escreveu: Hi, I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made from a letter followed by their id-number.

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Les Mikesell
On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy tony.mol...@ul.ie wrote: ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: m9718308:pw:9301:850: Lynch :/home/pgstud/m9718508:/bin/bash Exactly what I needed. I'll just drop the cat as a later poster pointed out. sed -n -e '/pattern/p' can match

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Tony Molloy
On Wednesday 15 August 2012 19:46:42 Les Mikesell wrote: On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy tony.mol...@ul.ie wrote: ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: m9718308:pw:9301:850: Lynch :/home/pgstud/m9718508:/bin/bash Exactly what I needed. I'll just drop the cat as a

Re: [CentOS] Extract lines from text file

2012-08-15 Thread m . roth
Tony Molloy wrote: On Wednesday 15 August 2012 19:46:42 Les Mikesell wrote: On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy tony.mol...@ul.ie wrote: ]$ cat testcentoslist | egrep ^m.*:.*:.*:850: m9718308:pw:9301:850: Lynch :/home/pgstud/m9718508:/bin/bash Exactly what I needed. I'll just

Re: [CentOS] Extract lines from text file

2012-08-15 Thread Mark LaPierre
On 08/15/2012 10:22 AM, Tony Molloy wrote: Hi, I'm looking for a command to extract lines from a large text file, a password file. A typical user has a username made from a letter followed by their id-number. m9718508:pw:9301:840: Lynch :/home/pgstud/m9718508:/bin/bash So for instance