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Tag Archives: find and replace

Linux / Unix: Sed Substitute Multiple Patterns [ Find & Replace ]

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 $_now Outputs: 01/20/12_16:10:42 I’d like to replace / and : with _. I’m aware of the following sed command: sed ‘s/\//_/g > s/:/_/g’ <<<“$_now” Outputs: 01_20_12_16_14_09 How do I specify two pattern within the same sed command to replace | and : with …

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