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Usage: lower [STRING]...
There are 2 alternatives - vote for the best!
If you can do better, submit your command here.
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nice command, any way to use it to change the text inside a file?
var=`cat file`
echo ${var,,}
Cool! For those like me, who don't understand but want to:
https://www.gnu.org/s/bash/manual/html_node/Shell-Parameter-Expansion.html
To change the text inside a file to lower case:
Step one: edit the file using "vi"
Step two: position to start of text to be changed to lower case
Step three: type !} tr [A-Z] [a-z]
lower () { tr [A-Z] [a-z]; } # convert stdin to lower caseUsage:
echo hELLO wORLD |lowerhello world
Ctrl+A, Alt+L, Alt+L, Alt+L...