sbase

suckless unix tools
git clone git://git.suckless.org/sbase
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0008-ed.sh (212B)

      1 #!/bin/sh
      2 
      3 set -e
      4 
      5 tmp=tmp.$$
      6 
      7 trap 'rm -f $tmp' EXIT
      8 trap 'rm -f $tmp; kill -KILL $$' HUP INT TERM
      9 
     10 ../ed -s <<EOF > /dev/null
     11 0a
     12 This is important
     13 .
     14 s/^@//
     15 w $tmp
     16 EOF
     17 
     18 echo 'This is important' | diff -u - $tmp