sed - match newlines on input (the answer)
allyn at sdcsvax.UUCP
allyn at sdcsvax.UUCP
Thu Mar 12 05:23:30 AEST 1987
In article <570 at hao.UCAR.EDU>, bill at hao.UCAR.EDU (Bill Roberts) wants to
use sed to match a pattern over multiple lines.
the trick to sed is that you need to tell it when to join the lines
before it can look for multiple line patterns. the N command is
used for this.
try this command:
sed -f sedinput < inputfile
with the "sedinput" file containing:
/^one$/N
/^one\ntwo$/N
/^one\ntwo\nthree$/s/\n/, /g
with an "inputfile" consisting of:
zero
one
two
three
four
it produces as output:
zero
one, two, three
four
--
From the virtual mind of Allyn Fratkin allyn at sdcsvax.ucsd.edu or
EMU Project {ucbvax, decvax, ihnp4}
U.C. San Diego !sdcsvax!allyn
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