Unix Tip: INSERTING LINES WITHIN SCRIPTS

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UNIX HOT TIP

Unix Tip 3459 - July 30, 2010

http://www.ugu.com/sui/ugu/show?tip.today

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INSERTING LINES WITHIN SCRIPTS

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}

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