batch replace string in files by command line

batch replace string in files by command line

sed -i — ‘s/want_str/rep_str/g’ file_patterns

ex) -i — ‘s/abc/123/g’ *.txt

November 27, 2018 at 01:06PM

Listing wifi at command line in Mac OS X

Listing wifi at command line in Mac OS X

/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -s

Or

cd /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources 

./airport -s 

November 10, 2018 at 04:16PM