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How to convert a string to lower case in Bash?
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Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# this also works:
$ sed -e 's/\(.*\)/\L\1/' <<< "$a"
hi all
Perl
$ echo "$a" | perl -ne 'print lc'
hi all
Bash
lc(){
case "$1" in
[A-Z])
n=$(printf "%d" "'$1")
n=$((n+32)...
Painless way to install a new version of R?
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11 Answers
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How can you set class attributes from variable arguments (kwargs) in python
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10 Answers
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Is there an easy way to create ordinals in C#?
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21 Answers
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
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parseInt("123qwe")
returns 123
Number("123qwe")
returns NaN
In other words parseInt() parses up to the first non-digit and returns whatever it had parsed. Number() wants to convert the entire string into a number, which can also ...
Check if page gets reloaded or refreshed in JavaScript
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10 Answers
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Is there a conditional ternary operator in VB.NET?
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edited Feb 21 at 21:30
Callum Watkins
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