sbase

suckless unix tools
git clone git://git.suckless.org/sbase
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0021-ed.sh (188B)

      1 #!/bin/sh
      2 
      3 tmp=tmp.$$
      4 
      5 trap 'rm -f $tmp' EXIT
      6 trap 'rm -f $tmp; kill -KILL $$' HUP INT TERM
      7 
      8 cat <<EOF >$tmp
      9 1
     10 2
     11 3
     12 EOF
     13 
     14 ../ed -s /dev/null <<EOF | diff -u $tmp -
     15 a
     16 1
     17 2
     18 3
     19 .
     20 g/^$/d
     21 ,p
     22 Q
     23 EOF