sbase

suckless unix tools
git clone git://git.suckless.org/sbase
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0026-tr.sh (343B)

      1 #!/bin/sh
      2 
      3 tmp=tmp.$$
      4 
      5 trap 'rm -f $tmp' EXIT
      6 trap 'exit $?' HUP INT TERM
      7 
      8 cat <<EOF > $tmp
      9 FOOBAR123LOREM@IPSUM
     10 EOF
     11 
     12 ($EXEC ../tr -cd '[:upper:][:digit:]@' <<EOF; echo) | diff -u $tmp -
     13 Forem OOsBm __aor Ait amet, consectetuR ad1piscing elit. i2teger e\$#icit3r
     14 neLue eOet sRm acEumsan eM@Ismod. aePean ac niSi eU erat gravida vulputateM
     15 EOF