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From: | Hyunho Cho |
Subject: | "-M" option does not work with "+" "-" characters |
Date: | Mon, 06 Jul 2020 00:18:08 +0900 |
### without "-M" option work well as expected bash$ awk '{ if ($1) print "must print " $1 }' 1 <------ user input must print 1 2 <------ user input must print 2 + must print + # work as expected - must print - # work as expected ^C ### with "-M" option "+" "-" characters do not print bash$ awk -M '{ if ($1) print "must print " $1 }' 1 must print 1 2 must print 2 + # does not print - # does not print * must print * / must print / ^C
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