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来自「实战Linux编程的原代码,希望对学驱动的人能有所帮助」· 代码 · 共 42 行

#!/bin/sh

: ${PERL=perl}
: ${srcdir=.}

case "$PERL" in
  *'missing perl')
  echo 1>&2 "$0: configure didn't find a usable version of Perl, so can't run this test"
  exit 77
  ;;
esac

exec $PERL -w -I$srcdir/.. -MFetish -- - <<\EOF
require 5.003;
use strict;

(my $program_name = $0) =~ s|.*/||;

# Turn off localisation of executable's ouput.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;

my $test_a = 'a';

my @Tests =
    (
     # Make sure a `n' reply to `mv -i...' aborts the move operation.
     [$test_a, '-i',
      {IN => {src => "a\n"}}, {IN => {dst => "b\n"}}, '<', {IN => "n\n"},
      {ERR => "mv: overwrite `dst'? "},
      {POST => sub { -r 'src' or die "test $test_a failed\n"}},
      {EXIT => 0},
     ],
    );

my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};

my $prog = $ENV{PROG} || die "$0: \$PROG not specified in environment\n";
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
EOF