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How to add a line in every file with perl commandline?

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# 1  
Old 03-04-2014
How to add a line in every file with perl commandline?
Hi, i want to add a line at the beginning of every file in a directory.
perl -i.bkp -p -e 'print "#include /verif/pdd1/exu/sxs/6sTest/reset/dfu/top_level.reset\n" if $. == 1' *.reset

But this command is updating only the first file in the directory. I think this is because $. is not resetting for next file.

How to modify all the files.
# 2  
Old 03-04-2014
If you have GNU sed available you could do
Code:
sed -i '1i\
#include /verif/pdd1/exu/sxs/6sTest/reset/dfu/top_level.reset' *

This User Gave Thanks to hergp For This Post:
twistedpair
# 3  
Old 03-04-2014
Code:
perl -i.bkp -p -e 'BEGIN { $p="" } if( $ARGV != p ) { print "#include /verif/pdd1/exu/sxs/6sTest/reset/dfu/top_level.reset\n"; $p=$ARGV } ' *.reset

This User Gave Thanks to anbu23 For This Post:
twistedpair
# 4  
Old 03-04-2014
Bad practice(?) but seems to work:
Code:
perl -i.bkp -p -e 'print "#include /verif/pdd1/exu/sxs/6sTest/reset/dfu/top_level.reset\n" if $. == 1; $.=0 if eof' *.reset

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