blind-rotate-180 - blind - suckless command-line video editing utility
 (HTM) git clone git://git.suckless.org/blind
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       ---
       blind-rotate-180 (359B)
       ---
            1 #!/bin/sh
            2 
            3 set -e
            4 
            5 if ! test $# = 0; then
            6         if test "$1" = --; then
            7                 shift 1
            8         fi
            9         if ! test $# = 0; then
           10                 printf 'usage: %s\n' "$0" >&2
           11                 exit 1
           12         fi
           13 fi
           14 
           15 flip="$(printf '%s\n' "$0" | tr '/\n' '\n/' | sed '$s/^.*$/blind-flip\//' | tr '/\n' '\n/')"
           16 flop="$(printf '%s\n' "$0" | tr '/\n' '\n/' | sed '$s/^.*$/blind-flop\//' | tr '/\n' '\n/')"
           17 
           18 "$flip" | "$flop"