View source for Bash String to Lower or Upper Case

=Internal=
* [[Bash#bash_Script_Library|bash]]

=tr=
* [[Tr#To_Uppercase|tr to uppercase]]

=awk=
<font color=darkgray>NOT TESTED</FONT>
<syntaxhighlight lang='bash'>
echo "${text}" | awk '{print tolower($0)}'
</syntaxhighlight>

=bash 4=
* [[Bash_Parameter_and_Variable_Expansion#To_Uppercase|bash 4 tp uppercase]]
* [[Bash_Parameter_and_Variable_Expansion#To_Lowercase|bash 4 tp lowercase]]

=sed=
<syntaxhighlight lang='bash'>
echo "${text}" | sed -e 's/\(.*\)/\L\1/'
</syntaxhighlight>