1 | ## oils_failures_allowed: 3
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2 | ## compare_shells: bash dash mksh zsh yash
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3 |
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4 | #### Fatal error
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5 | # http://landley.net/notes.html#20-06-2020
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6 |
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7 | abc=${a?bc} echo hello; echo blah
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8 | ## status: 1
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9 | ## OK yash/dash status: 2
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10 | ## stdout-json: ""
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11 |
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12 | #### setting readonly var (bash is only one where it's non-fatal)
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13 | # http://landley.net/notes.html#20-06-2020
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14 |
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15 | readonly abc=123
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16 | abc=def
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17 | echo status=$?
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18 | ## status: 2
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19 | ## stdout-json: ""
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20 | ## OK osh/zsh status: 1
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21 | ## OK bash status: 0
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22 | ## BUG bash STDOUT:
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23 | status=1
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24 | ## END
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25 |
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26 | #### readonly with temp binding
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27 | # http://landley.net/notes.html#20-06-2020
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28 |
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29 | # temp binding
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30 | readonly abc=123
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31 | abc=def echo one
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32 | echo status=$?
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33 |
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34 | echo potato < /does/not/exist || echo hello
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35 |
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36 | ## status: 2
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37 | ## stdout-json: ""
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38 | ## OK osh/bash status: 0
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39 | ## OK osh/bash STDOUT:
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40 | one
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41 | status=0
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42 | hello
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43 | ## END
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44 | ## OK zsh status: 1
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45 |
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46 | #### Failed redirect in assignment, vs. export
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47 |
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48 | abc=def > /does/not/exist1
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49 | echo abc=$abc
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50 |
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51 | export abc=def > /does/not/exist2
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52 | echo abc=$abc
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53 |
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54 | ## STDOUT:
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55 | abc=
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56 | abc=
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57 | ## END
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58 | ## BUG bash STDOUT:
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59 | abc=def
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60 | abc=def
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61 | ## END
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62 | ## OK dash/mksh STDOUT:
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63 | abc=
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64 | ## END
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65 | ## OK dash status: 2
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66 | ## OK mksh status: 1
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67 |
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68 | #### Evaluation order of redirect and ${undef?error}
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69 | # http://landley.net/notes.html#12-06-2020
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70 | rm *
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71 |
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72 | rm -f walrus
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73 | $SH -c 'X=${x?bc} > walrus'
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74 | if test -f walrus; then echo 'exists1'; fi
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75 |
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76 | rm -f walrus
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77 | $SH -c '>walrus echo ${a?bc}'
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78 | test -f walrus
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79 | if test -f walrus; then echo 'exists2'; fi
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80 | ## STDOUT:
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81 | exists1
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82 | ## END
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83 | ## OK bash stdout-json: ""
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84 |
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85 | #### Function def in pipeline
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86 | # http://landley.net/notes.html#26-05-2020
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87 |
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88 | echo hello | potato() { echo abc; } | echo ha
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89 |
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90 | ## STDOUT:
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91 | ha
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92 | ## END
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93 |
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94 | #### dynamic glob - http://landley.net/notes.html#08-05-2020
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95 | rm * # setup
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96 | X='*'; echo $X
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97 | echo "*"*".?z"
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98 | ## STDOUT:
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99 | _tmp
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100 | **.?z
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101 | ## END
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102 | ## BUG zsh status: 1
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103 | ## BUG zsh STDOUT:
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104 | *
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105 | ## END
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106 |
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107 | #### no shebang
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108 | rm *
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109 |
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110 | cat > snork << 'EOF'
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111 | echo hello $BLAH
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112 | EOF
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113 |
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114 | chmod +x snork
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115 | $SH -c 'BLAH=123; ./snork'
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116 | $SH -c 'BLAH=123; exec ./snork'
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117 | $SH -c 'BLAH=123 exec ./snork'
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118 | ## STDOUT:
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119 | hello
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120 | hello
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121 | hello 123
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122 | ## END
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123 |
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124 |
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125 | #### IFS
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126 |
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127 | IFS=x; X=abxcd; echo ${X/bxc/g}
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128 |
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129 | X=a=\"\$a\"; echo ${X//a/{x,y,z}}
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130 |
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131 | ## STDOUT:
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132 | agd
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133 | { ,y,z="${ ,y,z"}
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134 | ## END
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135 | ## BUG zsh STDOUT:
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136 | agd
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137 | {x,y,z}="${x,y,z}"
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138 | ## END
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139 | ## N-I dash status: 2
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140 | ## N-I dash stdout-json: ""
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141 |
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142 | #### shift is fatal at top level?
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143 | # http://landley.net/notes.html#08-04-2020
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144 |
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145 | # This makes a difference for zsh, but not for bash?
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146 | #set -o posix
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147 |
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148 | $SH -c 'shift; echo hello'
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149 | ## STDOUT:
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150 | hello
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151 | ## END
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152 | ## OK dash status: 2
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153 | ## OK mksh status: 1
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154 | ## OK dash/mksh stdout-json: ""
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155 |
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156 | #### var and func - http://landley.net/notes.html#19-03-2020
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157 | potato() { echo hello; }
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158 | potato=42
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159 | echo $potato
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160 |
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161 | potato
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162 |
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163 | ## STDOUT:
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164 | 42
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165 | hello
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166 | ## END
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167 |
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168 |
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169 | #### IFS - http://landley.net/notes.html#05-03-2020
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170 |
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171 | IFS=x
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172 | chicken() { for i in "$@"; do echo =$i=; done;}
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173 | chicken one abc dxf ghi
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174 |
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175 | echo ---
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176 | myfunc() { "$SH" -c 'IFS=x; for i in $@; do echo =$i=; done' blah "$@"; }
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177 | myfunc one "" two
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178 |
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179 | ## STDOUT:
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180 | =one=
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181 | =abc=
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182 | =d f=
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183 | =ghi=
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184 | ---
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185 | =one=
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186 | ==
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187 | =two=
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188 | ## END
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189 | ## BUG dash STDOUT:
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190 | =one=
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191 | =abc=
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192 | =d f=
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193 | =ghi=
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194 | ---
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195 | =one=
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196 | =two=
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197 | ## END
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198 | ## BUG zsh status: 1
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199 | ## BUG zsh stdout-json: ""
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200 |
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201 | #### for loop parsing - http://landley.net/notes.html#04-03-2020
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202 |
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203 | $SH -c '
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204 | for i
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205 | in one two three
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206 | do echo $i;
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207 | done
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208 | '
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209 | echo $?
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210 |
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211 | $SH -c 'for i; in one two three; do echo $i; done'
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212 | test $? -ne 0 && echo cannot-parse
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213 |
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214 | ## STDOUT:
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215 | one
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216 | two
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217 | three
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218 | 0
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219 | cannot-parse
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220 | ## END
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221 |
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222 | #### Parsing $(( ))
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223 | # http://landley.net/notes.html#15-03-2020
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224 | $SH -c 'echo $((echo hello))'
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225 | if test $? -ne 0; then echo fail; fi
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226 | ## stdout: fail
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227 |
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228 | #### IFS - http://landley.net/notes.html#15-02-2020 (TODO: osh)
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229 |
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230 | IFS=x; A=xabcxx; for i in $A; do echo =$i=; done
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231 |
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232 | unset IFS; A=" abc def "; for i in ""$A""; do echo =$i=; done
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233 |
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234 | ## STDOUT:
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235 | ==
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236 | =abc=
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237 | ==
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238 | ==
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239 | =abc=
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240 | =def=
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241 | ==
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242 | ## END
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243 | ## BUG zsh status: 1
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244 | ## BUG zsh stdout-json: ""
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245 |
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246 | #### IFS 2 (TODO: osh)
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247 | this one appears different between osh and bash
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248 | A=" abc def "; for i in ""x""$A""; do echo =$i=; done
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249 |
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250 | ## STDOUT:
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251 | =x=
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252 | =abc=
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253 | =def=
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254 | ==
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255 | ## END
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256 | ## BUG zsh status: 1
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257 | ## BUG zsh stdout-json: ""
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258 |
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259 | #### IFS 3
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260 | IFS=x; X="onextwoxxthree"; y=$X; echo $y
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261 | ## STDOUT:
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262 | one two three
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263 | ## END
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264 | ## BUG zsh STDOUT:
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265 | onextwoxxthree
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266 | ## END
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267 |
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268 | #### IFS 4
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269 | IFS=x
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270 | cc() { echo =$*=; for i in $*; do echo -$i-; done;}; cc "" ""
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271 | cc() { echo ="$*"=; for i in =$*=; do echo -$i-; done;}; cc "" ""
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272 | ## STDOUT:
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273 | = =
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274 | --
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275 | =x=
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276 | -=-
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277 | -=-
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278 | ## END
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279 | ## BUG mksh/dash STDOUT:
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280 | = =
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281 | =x=
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282 | -=-
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283 | -=-
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284 | ## END
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285 | ## BUG yash STDOUT:
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286 | = =
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287 | --
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288 | --
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289 | =x=
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290 | -=-
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291 | -=-
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292 | ## END
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293 | ## BUG zsh STDOUT:
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294 | = =
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295 | ## END
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296 | ## BUG zsh status: 1
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297 |
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298 | #### IFS 5
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299 | cc() { for i in $*; do echo -$i-; done;}; cc "" "" "" "" ""
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300 | cc() { echo =$1$2=;}; cc "" ""
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301 | ## STDOUT:
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302 | ==
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303 | ## END
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304 | ## BUG yash STDOUT:
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305 | --
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306 | --
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307 | --
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308 | --
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309 | --
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310 | ==
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311 | ## END
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312 | ## BUG zsh status: 1
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313 | ## BUG zsh stdout-json: ""
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314 |
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315 | #### Can't parse extra }
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316 |
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317 | $SH -c 'for i in a"$@"b;do echo =$i=;done;}' 123 456 789
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318 | ## status: 2
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319 | ## OK mksh/zsh status: 1
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320 | ## STDOUT:
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321 | ## END
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322 |
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323 | #### Command Sub Syntax Error
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324 | # http://landley.net/notes.html#28-01-2020
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325 |
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326 | echo $(if true)
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327 | echo $?
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328 | echo $(false)
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329 | echo $?
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330 |
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331 | ## status: 2
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332 | ## stdout-json: ""
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333 |
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334 | ## OK mksh/zsh status: 1
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335 |
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336 |
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337 | #### Pipeline - http://landley.net/notes-2019.html#16-12-2019
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338 | echo hello | { read i; echo $i;} | { read i; echo $i;} | cat
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339 | echo hello | while read i; do echo -=$i=- | sed s/=/@/g ; done | cat
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340 | ## STDOUT:
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341 | hello
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342 | -@hello@-
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343 | ## END
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344 |
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