how to write some common lines into multiple files in a directory ?

[hcu]

how to write some common lines into a multiple files in a directory ?

Hello,

I have about 110 source files, each file vary in size and vary in number of lines inside.

for some reason, i want to write " some two Lines " exactly at the starting of each file content.

and a "one more line" exactly at the end of each file.

i.e the first two lines for every file should be
line 1 // pragma protect
line 2 //pragma protect begin

<file content>

last line //pragma protect end.

I want to automate this, plz somebody help me.

regards,

 

[KlausST]

Re: how to write some common lines into a multiple files in a directory ?

Hi,

Linux:
cat file_header file_source file_footer > file_target

DOS:
copy /b file_header + file_source + file_footer file_target

Klaus

 

[hcu]

Re: how to write some common lines into a multiple files in a directory ?

Hi,

Linux:
cat file_header file_source file_footer > file_target


Klaus

I am in linux,
i
i am getting
cat: file_header file: no such file or directory
cat: file_footer file: no such file or directory

I know , i am wrong , i am new to all these. plz breif

- - - Updated - - -

thank you, It helped me. No issues

 

[hcu]

Re: how to write some common lines into a multiple files in a directory ?

Hi,

One thing is, i want to keep my file name (i.e target file) name should be same as my original file name.
here the problem is , the data in the file is lost.

so, to avoid that

cat file_footer my_design.v file_header > ./folder/mydesign.v .

my questions are :
1.Is there anything better/efficiently i can do here otherthan above ?
2. as i said , i have 100's of files, 100 cat command lines are to be written . Any effiently way of doing this ??

thans in advance

 

[KlausST]

Re: how to write some common lines into a multiple files in a directory ?

Hi,

file_header is the file that contains:
*****
// pragma protect
//pragma protect begin
*****



file_footer is the file that contains:
*****
//pragma protect end
*****



File_source is your source file

File_target is your target file.

Klaus

- - - Updated - - -

Hi,

if you want to do this with a batch or script .... and keep the file name ... than how can the batch/script know which file is modified and which one not?

Maybe use different filenames, different directories, or you need a tiny database/list where you store all the filenames, and a flag that shows if it is modified already or not.

Klaus

 

[hcu]

Re: how to write some common lines into a multiple files in a directory ?

HI,
I found a way of adding some lines to 100's of files at a time in a single click.

for f in ./hw/*.v
do
cat file_header $f file_footer > ./test/$f
done

1. to preserve the same file name. i written files to a folder "test"
2. to get my job done. the test folder must have a empty "hw" folder inside.

If you have any efficinet thoughts on it, share the idea.