Well, here is yet another solution assuming gnu grep...

grep -F -r -I -l '.....' . | grep '.txt$'

[download]

...first part of the pipeline recursively, -r, (downword only) searches text files, -I, for ..... in the current directory, ., listing only the file names found. Second part filters the file names which lists only those ending in '.txt'.

Here is one more and bit more robust (to be run in "test" directory; see OP)...

find . -type f -name '*.txt' -print0 | xargs -0 grep -F -l '.....'

[download]

In reply to Re: Re: Find file that contains "....." (command in Unix) by parv
in thread Find file that contains "....." (command in Unix) by Anonymous Monk

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