| 1 | ## compare_shells: dash bash mksh zsh ash
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| 2 |
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| 3 | #### Parsing shell words \r \v
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| 4 |
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| 5 | # frontend/lexer_def.py has rules for this
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| 6 |
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| 7 | tab=$(python2 -c 'print "argv.py -\t-"')
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| 8 | cr=$(python2 -c 'print "argv.py -\r-"')
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| 9 | vert=$(python2 -c 'print "argv.py -\v-"')
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| 10 | ff=$(python2 -c 'print "argv.py -\f-"')
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| 11 |
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| 12 | $SH -c "$tab"
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| 13 | $SH -c "$cr"
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| 14 | $SH -c "$vert"
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| 15 | $SH -c "$ff"
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| 16 |
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| 17 | ## STDOUT:
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| 18 | ['-', '-']
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| 19 | ['-\r-']
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| 20 | ['-\x0b-']
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| 21 | ['-\x0c-']
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| 22 | ## END
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| 23 |
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| 24 | #### \r in arith expression is allowed by some shells, but not most!
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| 25 |
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| 26 | arith=$(python2 -c 'print "argv.py $(( 1 +\n2))"')
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| 27 | arith_cr=$(python2 -c 'print "argv.py $(( 1 +\r\n2))"')
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| 28 |
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| 29 | $SH -c "$arith"
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| 30 | if test $? -ne 0; then
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| 31 | echo 'failed'
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| 32 | fi
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| 33 |
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| 34 | $SH -c "$arith_cr"
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| 35 | if test $? -ne 0; then
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| 36 | echo 'failed'
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| 37 | fi
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| 38 |
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| 39 | ## STDOUT:
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| 40 | ['3']
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| 41 | failed
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| 42 | ## END
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| 43 |
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| 44 | ## OK mksh/ash/osh STDOUT:
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| 45 | ['3']
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| 46 | ['3']
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| 47 | ## END
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| 48 |
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| 49 | #### whitespace in string to integer conversion
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| 50 |
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| 51 | tab=$(python2 -c 'print "\t42\t"')
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| 52 | cr=$(python2 -c 'print "\r42\r"')
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| 53 |
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| 54 | $SH -c 'echo $(( $1 + 1 ))' dummy0 "$tab"
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| 55 | if test $? -ne 0; then
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| 56 | echo 'failed'
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| 57 | fi
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| 58 |
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| 59 | $SH -c 'echo $(( $1 + 1 ))' dummy0 "$cr"
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| 60 | if test $? -ne 0; then
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| 61 | echo 'failed'
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| 62 | fi
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| 63 |
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| 64 | ## STDOUT:
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| 65 | 43
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| 66 | failed
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| 67 | ## END
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| 68 |
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| 69 | ## OK mksh/ash/osh STDOUT:
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| 70 | 43
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| 71 | 43
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| 72 | ## END
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| 73 |
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| 74 | #### \r at end of line is not special
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| 75 |
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| 76 | # hm I wonder if Windows ports have rules for this?
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| 77 |
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| 78 | cr=$(python2 -c 'print "argv.py -\r"')
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| 79 |
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| 80 | $SH -c "$cr"
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| 81 |
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| 82 | ## STDOUT:
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| 83 | ['-\r']
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| 84 | ## END
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| 85 |
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| 86 | #### Default IFS does not include \r \v \f
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| 87 |
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| 88 | # dash and zsh don't have echo -e
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| 89 | tab=$(python2 -c 'print "-\t-"')
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| 90 | cr=$(python2 -c 'print "-\r-"')
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| 91 | vert=$(python2 -c 'print "-\v-"')
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| 92 | ff=$(python2 -c 'print "-\f-"')
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| 93 |
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| 94 | $SH -c 'argv.py $1' dummy0 "$tab"
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| 95 | $SH -c 'argv.py $1' dummy0 "$cr"
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| 96 | $SH -c 'argv.py $1' dummy0 "$vert"
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| 97 | $SH -c 'argv.py $1' dummy0 "$ff"
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| 98 |
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| 99 | ## STDOUT:
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| 100 | ['-', '-']
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| 101 | ['-\r-']
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| 102 | ['-\x0b-']
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| 103 | ['-\x0c-']
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| 104 | ## END
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| 105 |
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| 106 | # No word splitting in zsh
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| 107 |
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| 108 | ## OK zsh STDOUT:
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| 109 | ['-\t-']
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| 110 | ['-\r-']
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| 111 | ['-\x0b-']
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| 112 | ['-\x0c-']
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| 113 | ## END
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| 114 |
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