concatenate lines in pairs Post: 302430372

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Top Forums Shell Programming and Scripting concatenate lines in pairs Post 302430372 by drl on Thursday 17th of June 2010 11:01:50 AM

06-17-2010

Registered User

Hi.

The paste command can do this:

Code:

#!/usr/bin/env bash

# @(#) s1	Demonstrate joining pairs of lines from a single file, paste.

pe() { for i;do printf "%s" "$i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }

pl " Results from paste:"
cat data1 | paste -d "" - -

exit 0

producing:

Code:

% ./s1

-----
 Results from paste:
/C=IT/O=INFN/OU=Personal Certificate/L=Napoli/CN=Some guy/C=IT/O=INFN/CN=INFN CA
/O=Grid/O=NorduGrid/OU=uninett.no/CN=Another guy/O=Grid/O=NorduGrid/CN=NorduGrid Certification Authority
/C=TW/O=AP/OU=GRID/CN=Someone else/C=TW/O=AS/CN=Academia Sinica Grid Computing Certification Authority Mercury

cheers, drl

drl

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