[BangPypers] Need help with adding a character at the end of the line in a file in linux.

arvind ks arvind.ks1985 at gmail.com
Fri Apr 17 09:38:20 CEST 2015


Hi Prince,
In my case i have several of those service description entries where
sometime both Infrastructure and Platform are present and sometimes only
Infrastructure or Platform is present. Hence i didn't create a regex with
both combined.

Thanks
Arvind

On Fri, Apr 17, 2015 at 12:46 PM, Prince Sharma <prince09cs at gmail.com>
wrote:

> For that you should compile the regex with infrastructure and platform
> together. And have that check before checks for infrastructure and platform
> separately.
>  On Apr 17, 2015 12:10 PM, "arvind ks" <arvind.ks1985 at gmail.com> wrote:
>
> > Hi Kishore,
> > Thanks for the reply. I've tried adding some additional checks, but
> unable
> > to understand where i am making a mistake.
> > Could you please check and advise.
> >
> > Input::
> >
> > define service{
> >         use generic-service
> >         service_description CPU Load -
> >         check_command check_nrpe_cpu
> >         contact_groups Infrastructure,Platforms
> > }
> >
> > Script::
> >
> > #!/usr/bin/python
> > import re,sys,os,string
> > f1=open("input.txt","r")
> > f2=open("out.txt","w")
> > reg1=re.compile("^\s+contact_groups")
> > reg2=re.compile(".*Infrastructure.*")
> > reg3=re.compile(".*Platforms.*")
> > reg4=re.compile("^\s+check_command")
> > reg5=re.compile("^\s+service_description")
> > lines=f1.readlines()
> > length=len(lines)
> > length_4_nl=length - 1
> > length_4_nnl=length - 2
> >
> >
> > for i in range(0,length,1):
> >         j = i - 1
> >         k = i + 1
> >         l = i + 2
> >         cl = lines[i]
> >         pl = lines[j]
> >
> >         if i < length_4_nl:
> >                 nl = lines[k]
> >         if i < length_4_nnl:
> >                 nnl = lines[l]
> >
> >         if reg5.match(cl):
> >                 if reg5.match(cl) and reg2.match(nl) and reg4.match(nnl):
> >                         f2.write(cl.rstrip("\n") + " H" + ("\n"))
> >                 if reg5.match(cl) and reg2.match(nnl) and reg4.match(nl):
> >                         f2.write(cl.rstrip("\n") + " H" + ("\n"))
> >                 if reg5.match(cl) and reg3.match(nl) and reg4.match(nnl):
> >                         f2.write(cl.rstrip("\n") + " A" + ("\n"))
> >                 if reg5.match(cl) and reg3.match(nnl) and reg4.match(nl):
> >                         f2.write(cl.rstrip("\n") + " A" + ("\n"))
> >         else:
> >                 f2.write(cl)
> >
> > f1.close()
> > f2.close()
> >
> >
> > Output::
> > define service{
> >         use generic-service
> >         service_description CPU Load - H
> >         service_description CPU Load - A
> >         check_command check_nrpe_cpu
> >         contact_groups Infrastructure,Platforms
> > }
> >
> >
> >
> >
> > I am again getting 2 seperate lines. It should ideally be in a single
> line
> > i.e. H A as there are 2 entries in contact_groups lines i.e.
> Infrastructure
> > and Platforms.
> >
> > Thanks
> > Arvind
> >
> > On Fri, Apr 17, 2015 at 11:41 AM, Kishor Bhat <kishorbhat at gmail.com>
> > wrote:
> >
> > > On Fri, Apr 17, 2015 at 11:35 AM, arvind ks <arvind.ks1985 at gmail.com>
> > > wrote:
> > > > Hi Everyone,
> > > > Could you please help me with the below python script that tries to
> add
> > > > characters A H to line starting with "service description" depending
> on
> > > > contact groups.
> > > >
> > > > *Input file::*
> > > >
> > > > define service{
> > > > use generic-service
> > > > service_description CPU Load -
> > > > check_command check_nrpe_cpu
> > > > contact_groups Infrastructure,Platforms
> > > > }
> > > >
> > > > *Script::*
> > > >
> > > > #!/usr/bin/python
> > > > import re,sys,os,string
> > > > f1=open("carpet.txt","r")
> > > > f2=open("carpet1.txt","w")
> > > > reg1=re.compile("^\s+contact_groups")
> > > > reg2=re.compile(".*Infrastructure.*")
> > > > reg3=re.compile(".*Platforms.*")
> > > > reg4=re.compile("^\s+check_command")
> > > > reg5=re.compile("^\s+service_description")
> > > > lines=f1.readlines()
> > > > length=len(lines)
> > > > length_4_nl=length - 1
> > > > length_4_nnl=length - 2
> > > >
> > > >
> > > > for i in range(0,length,1):
> > > > j = i - 1
> > > > k = i + 1
> > > > l = i + 2
> > > > cl = lines[i]
> > > > pl = lines[j]
> > > >
> > > > if i < length_4_nl:
> > > > nl = lines[k]
> > > > if i < length_4_nnl:
> > > > nnl = lines[l]
> > > >
> > > > if reg5.match(cl) and reg2.match(nl):
> > > > f2.write(cl.rstrip("\n") + " H" + ("\n"))
> > > > if reg5.match(cl) and reg3.match(nl):
> > > > f2.write(cl.rstrip("\n") + " A" + ("\n"))
> > >
> > > You're writing the line to the file twice.
> > > Try changing your conditions; something along the lines of 'check for
> > > "HA", else "H", else "A".' should work.
> > >
> > > Regards,
> > > Kishor
> > >
> > > > #else:
> > > > # f2.write(cl)
> > > >
> > > > f1.close()
> > > > f2.close()
> > > >
> > > >
> > > > *Output::*
> > > >
> > > > service_description NRPE Check Load - 1min/5min/15min - H
> > > > service_description NRPE Check Load - 1min/5min/15min - A
> > > >
> > > > *Issue::*
> > > > I want the output to be
> > > >
> > > > service_description NRPE Check Load - 1min/5min/15min - H A
> > > >
> > > > i.e. if the i have a tag "H" for Infrastructure and "A" for
> > "Platforms".
> > > > I am trying to append it to the same line rather than creating a new
> > > line.
> > > > But it doesnt work. Please help
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