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Help with order lines from a file based on a pattern

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# 1  
Old 10-17-2014
Help with order lines from a file based on a pattern
Hi

I need to order these lines from a txt file my file looks like this

Code:
IMSI ........................ 1234567890 
APN ......................... INTERNET.COM
APN ......................... MMS.COM
APN ......................... WAP.COM
APN ......................... BA.COM
IMSI ........................ 0123456789 
IMSI ........................ 1234567890 
APN ......................... INTERNET.COM
APN ......................... MMS.COM
APN ......................... WAP.COM
APN ......................... BA.COM

Is there any way that my file looks like that

Code:
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM
IMSI 0123456789 
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM

Thanks
# 2  
Old 10-17-2014
Quote:
Originally Posted by alone77
Hi

I need to order these lines from a txt file my file looks like this

Code:
IMSI ........................ 1234567890 
APN ......................... INTERNET.COM
APN ......................... MMS.COM
APN ......................... WAP.COM
APN ......................... BA.COM
IMSI ........................ 0123456789 
IMSI ........................ 1234567890 
APN ......................... INTERNET.COM
APN ......................... MMS.COM
APN ......................... WAP.COM
APN ......................... BA.COM

Is there any way that my file looks like that

Code:
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM
IMSI 0123456789 
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM

Thanks
Hello Alone77,

Welcome to forum, following may help you in same.
Code:
awk '{gsub(/\./,X,$0);} {for(i=1;i<=NF;i++){if($i == "IMSI") {print "\n"$i} else {print $i}}}' ORS=" "   Input_file

Output is as follows.
Code:
IMSI 1234567890 APN INTERNETCOM APN MMSCOM APN WAPCOM APN BACOM
IMSI 0123456789
IMSI 1234567890 APN INTERNETCOM APN MMSCOM APN WAPCOM APN BACOM

EDIT: Above solution will give a blank line in starting if word IMSI is present in first line, so following will remove this loop whole.

Code:
awk '{gsub(/\./,X,$0);} {for(i=1;i<=NF;i++){if($i == "IMSI" && NR != 1) {print "\n"$i} else {print $i}}}' ORS=" "

EDIT: One more solution on same.
Code:
awk '{gsub(/\./,X,$0);} {for(i=1;i<=NF;i++){$i=$i == "IMSI" && NR != 1?$i="\n"$i:$i;print $i}} END{ORS="";print "\n"}' ORS=" "  Input_file

Output will be as follows.
Code:
IMSI 1234567890 APN INTERNETCOM APN MMSCOM APN WAPCOM APN BACOM
IMSI 0123456789
IMSI 1234567890 APN INTERNETCOM APN MMSCOM APN WAPCOM APN BACOM

Thanks,
R. Singh
Last edited by RavinderSingh13; 10-17-2014 at 04:23 AM.. Reason: Added a better solution now+ 1 more solution
# 3  
Old 10-17-2014
Code:
[akshay@nio tmp]$ cat file
IMSI ........................ 1234567890 
APN ......................... INTERNET.COM
APN ......................... MMS.COM
APN ......................... WAP.COM
APN ......................... BA.COM
IMSI ........................ 0123456789 
IMSI ........................ 1234567890 
APN ......................... INTERNET.COM
APN ......................... MMS.COM
APN ......................... WAP.COM
APN ......................... BA.COM

Code:
[akshay@nio tmp]$ awk 's=/IMSI/{printf("%s",(++i==1?"":RS))}{printf("%s%s%s%s",(s?"":OFS),$1,OFS,$3)}END{print ""}' file

Code:
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM
IMSI 0123456789
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM

---------- Post updated at 02:33 PM ---------- Previous update was at 02:22 PM ----------

OR like this

Code:
[akshay@nio tmp]$ awk 'function p(){if(length(s)){print s;s=""}}{if(/IMSI/)p();s = (length(s) ? s OFS : "") $1 OFS $NF;}END{p()}' file

# 4  
Old 10-17-2014
Try
Code:
awk '/IMSI/ && NR>1 {printf "\n"}; END {printf "\n"} {printf "%s %s ",$1, $NF}' ORS=" " file
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM
IMSI 0123456789
IMSI 1234567890 APN INTERNET.COM APN MMS.COM APN WAP.COM APN BA.COM

# 5  
Old 10-17-2014
Perl if interested

Code:
perl -lane 'sub p{print "@_" if @_ }; p(@S) and undef @S if eof or /IMSI/; push(@S,@F[0,$#F]);' file

OR bit lengthy
Code:
perl -lane 'printf("%s",(++$i==1?"":"\n")) if $s=/IMSI/; printf("%s%s%s%s",($s?"":" "),$F[0]," ",$F[$#F]); print "" if eof' file

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