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UGU: Unix Guru Universe - Unix Tip #4361- February 18, 2025
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Unix Tip #4361- February 18, 2025
INSERT A LINE
If you want to insert a line
at the top (or anywhere for that
matter) of a file within a shell
script, use the ed editor.
EXAMPLE:
string="hello"
ed << EOF
e any_file
1i
${string}
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.
LAST 5 TIPS
4360
- FINDING CORE FILES
4359
- IDENTIFY A PROCESSES
4358
- LOOK FOR A STRING
4357
- STOP ASKING QUESTIONS
4356
- DIR ALIAS REPRISE
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