Shell Programming and Scripting

<service_name> = <ldap user FDN> : <password>

DNS = cn=user1,o=company : pwd

service name:DNS
UserName: cn=user1,o=company
Password: pwd.

$ echo "DNS = cn=user1,o=company : pwd" | nawk -F"[\=:]" '{print "Service Name : " $1; print "Password : " $NF}{sub($1"=","");sub(":"$NF,"");print "UserName : " $0}'
Service Name : DNS 
Password :  pwd
UserName :  cn=user1,o=company

echo "DNS = cn=user1,o=company : pwd" | awk -F"[=:]" '{servicename="$1"; password="$NF"}{sub($1"=","");sub(":"$NF,"");Username="$0"}'

#!/usr/bin/env bash

# @(#) s1	Demonstrate parse line into variables, bash built-in read.

# List environment for demonstration computation.
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C

line="DNS = cn=user1,o=company : pwd"
pl " Line to be parsed into variables:"
pe "$line"

oldifs="$IFS"
IFS="=:" read s u p junk <<< "$line"

pl " Results of setting variables from read:"
pe "service name: $s"
pe "UserName: $u"
pe "Password: $p"

pl " Results with all spaces eliminated with \"Parameter Expansion\":"
t1=${line// /}
pe " t1 is \"$t1\""
IFS="=:" read s u p junk <<< "$t1"
pe "service name: $s"
pe "UserName: $u"
pe "Password: $p"

IFS="$oldifs"

exit 0

% ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 2.6.26-2-amd64, x86_64
Distribution        : Debian GNU/Linux 5.0.8 (lenny) 
bash GNU bash 3.2.39

-----
 Line to be parsed into variables:
DNS = cn=user1,o=company : pwd

-----
 Results of setting variables from read:
service name: DNS 
UserName:  cn
Password: user1,o

-----
 Results with all spaces eliminated with "Parameter Expansion":
 t1 is "DNS=cn=user1,o=company:pwd"
service name: DNS
UserName: cn
Password: user1,o

[mute@geek ~]$ bash ./test
[DNS] [cn=user1,o=company] [pwd]
[mute@geek ~]$ cat test
#!/bin/bash

var='DNS = cn=user1,o=company : pwd'

service=${var%% *}
user=${var#* = }
pass=${user#* : }
user=${user% : *}

echo "[$service] [$user] [$pass]"

wgp-fap-109:~ # ./srk.sh
DNS=cn=afpuser,o=company
DNS=cn=afpuser,o=company
pwd
wgp-fap-109:~ # cat srk.sh
#!/bin/bash

var='DNS=cn=afpuser,o=company : pwd'

service=${var%% *}
user=${var#* = }
pass=${user#* : }
user=${user% : *}

echo $service
echo $user
echo $pass