Tag Archives: bash

Use sed to replace last character after matching a line

Posted on May 14, 2024 by dsg_admin

If you are a coder like me we tend to discover after we have made a script that we need to change something on multiple lines. Recently I have a script whereby added a “log_message” function which would echo a … Continue reading →

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Remove any potential special characters or spaces from an IP address using AWK

Posted on July 12, 2023 by dsg_admin

Got stuck earlier in an interesting regex mystery and I command-line FU’d an AWK Solution. PROBLEM I want to strip out all spaces and/or special characters from an IP address PROCESS I know how to validate an IP address no … Continue reading →

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sed print only line AFTER string match

Posted on May 19, 2022 by dsg_admin

File Example

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Cut all characters after last match using SED

Posted on May 19, 2022 by dsg_admin

Output

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Increment a variable name within a BASH loop

Posted on May 19, 2022 by dsg_admin

Example

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Include Line Numbers to bash set-x debug output

Posted on September 6, 2021 by dsg_admin

There are times you need to view the line numbers in a bash script to view script execution. Within bash ‘set -x’ either at the shell, or within the bash script will display debug output. To include line numbers you … Continue reading →

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