Sed * only modifying first file

Question

I would like to delete the first 40 lines of a good number of ASCII files and save the ASCII files without those 40 lines

I'm working under OSX High Sierra, realized that the -i option in sed was not working unless I create a backup file, so I tried using this command:

sed -i'backup' -e '1,40d' *.txt

It however only modifies and deletes the first 40 lines in my first file (alphabetically), but not the others.

How can I edit multiple files with just one command?

Thanks

Possible duplicate of Change multiple files

brunorey
– brunorey

2019-02-19 02:23:43 +00:00
Commented Feb 19, 2019 at 2:23 — brunorey
– brunorey, Commented Feb 19, 2019 at 2:23
Won't work on OSX Sierra. See this answer.

brunorey
– brunorey

2019-02-19 02:24:33 +00:00
Commented Feb 19, 2019 at 2:24 — brunorey
– brunorey, Commented Feb 19, 2019 at 2:24

Allan · Accepted Answer · 2019-02-19 03:18:17Z

You can use the following command that will

look in the current folder
ignore sub folder
take only into account files whose filenames end with '*.txt'
before executing the sed command.

Command:

 find . -maxdepth 1 -type f -name '*.txt' -exec sed -i 'backup' -e '1,40d' {} \;

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