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Replacing first line of file by >filename

 
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# 8  
Old 04-08-2011
If you have few files starting with "S5_" in your current directory, and you run this code just once: perl -i -pe 's/.*/>$ARGV/ if $.==1' S5_*, then it will automatically change contents of all the "S5_..." files.
This User Gave Thanks to bartus11 For This Post:
pawannoel
# 9  
Old 04-08-2011
Try mine. Not a one-liner though.
# 10  
Old 04-08-2011
Replace file name with *, so it will apply the awk to all the files in the dir.
Code:
awk '{if( NR==1)print ">"FILENAME;else print}' *

# 11  
Old 04-08-2011
OK I can do that ... guess its easier ... Cheers Bartus Smilie
Hv a nice day
PS :Any ideas about my post https://www.unix.com/302511664-post1.html ??
Smilie

---------- Post updated at 04:25 AM ---------- Previous update was at 03:55 AM ----------

Sorry Tene and Bartus but both solutions are only appending the first file first line
Eg I give u head -1 S5_* output after running code
Code:
==> S5_SK1.chr01 <==
>S5_SK1.chr01

==> S5_SK1.chr02 <==
>SK1.chr02

==> S5_SK1.chr03 <==
>SK1.chr03

==> S5_SK1.chr04 <==
>SK1.chr04

==> S5_SK1.chr05 <==
>SK1.chr05

I get the same output using either awk or Perl codes ... How can I resolve this?
Cheers Smilie
# 12  
Old 04-08-2011
Code:
for i in S5_*; do
perl -i -pe 's/.*/>$ARGV/ if $.==1' $i
done

This User Gave Thanks to bartus11 For This Post:
pawannoel
# 13  
Old 04-08-2011
That did the job .... cheers Bartus Smilie
# 14  
Old 04-08-2011
It should have been

Code:
awk '{if( FNR==1)print ">"FILENAME;else print}' *

 
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