I’m using the date +’%D_%T’ to store Unix system date and time in a shell variable called $_now:
_now=”$(date +’%D_%T’)”
echo $_nowOutputs:
01/20/12_16:10:42
I’d like to replace / and : with _. I’m aware of the following sed command:
sed ‘s/\//_/g
> s/:/_/g’ <<<“$_now”Outputs:
01_20_12_16_14_09
How do I specify two pattern within the same sed command to replace | and : with _ so that I can get output as 01_20_12_16_10_42?
You can use any one of the following sed substitute find and replace multiple patterns:
sed -e 's/Find/Replace/g' -e 's/Find/Replace/g' <<<"$var" sed -e 's/Find/Replace/g' -e 's/Find/Replace/g' < inputFile > outputFile out=$(sed -e 's/Find/Replace/g' -e 's/Find/Replace/g' <<<"$var")
OR
sed 's/Find/Replace/g;s/Find/Replace/g' <<<"$var" sed -e 's/Find/Replace/g;s/Find/Replace/g' <<<"$var" sed -e 's/Find/Replace/g;s/Find/Replace/g' < inputFile > outputFile out=$(sed -e 's/Find/Replace/g;s/Find/Replace/g' <<<"$var")
Examples: Find And Replace Sed Substitute Using a Singe Command Line
_now="$(sed -e 's/\//_/g;s/:/_/g' <<<$(date +'%D_%T'))" echo $_now
Sample outputs:
01_20_12_16_22_21
Here is another version:
_now=$(sed 's/[\/:]/_/g' <<<$(date +'%D_%T')) echo "$_now"
Sample outputs:
01_20_12_16_24_42
Originally posted 2016-02-14 22:09:36.