Ben Scott writes:
grep -lwir --include=\*out\* . zip.txt
Close. You've left out what he's searching for:
grep -lwir --include=\*out\* . zip zip.txt
Of course, this doesn't have the subtilty that Steven W. Orr addedd to
limit it to text files, as Jerry mentioned, but didn't seem to be
trying to do.
Note that all the versions using find and xargs have issues in
modern times when it is highly likely that there are files whose names
include spaces. find's -print0 option combined with xargs's
-0 (zero, not a capitol letter) option take care of this.
Steven's awk script would need further work to extract filenames
containing spaces. Or, you can use find's -exec:
find . -name '*out*' -exec file '{}' '|' grep -q ASCII ';' -print0 \
| xargs -0 grep -wli zip zip.txt
[ -exec treats everything up to the next simicolon (which must be
quoted so that the shell will pass it to find) as a command (pipe) to
run, except that an argument consisting of a matched pair of curly
braces (which must be quoted agains shell interpretation) is replaced,
in the command run, by the name of the file under consideration.
Things in the command, like the pipe symbol, that are special to the
shell, must be quoted. (find never sees the quotes, so they're not
quoted in the sub-shell running the command.) If the command fails
(returns non-zero status) -exec moves on to the next filename, so this
one doesn't get printed. ]
Bill
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