0007-ed.sh - sbase - suckless unix tools
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       0007-ed.sh (193B)
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            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 printf 'something important' > $tmp
           11 ../ed -s $tmp <<EOF 2>/dev/null | diff -w $tmp -
           12 1p
           13 EOF