linux - Shell script handle string with sed -


i have text file, each line 1 or more file paths separated space, file has suffix dl, e.g. 

/some/path/file.dl /some/other/path/file2.dl /some/other/path2/file3.dl /some/other/path3/file4.dl /some/other/path4/file5.dl ... ...

now need transform above file text file. first file of every line should changed /out/p{filename}.h:, {filename} original file name without directory , suffix. e.g.

/out/pfile.h: /out/pfile2.h: /some/other/path2/file3.dl /out/pfile4.h: /some/other/path2/file5.dl ... ...

so how can write linux shell script?

try command:

$ sed -r 's@^\s*/(\s*)\.dl@/out/p\1.h:@' input  /out/pfile.h: /out/pfile2.h: /some/other/path2/file3.dl /out/pfile4.h: /some/other/path4/file5.dl

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