| 1 | 
  
    # Oil xtrace
   | 
  | 2 | 
  
    
   | 
  | 3 | 
  
    
   | 
  | 4 | 
  
    shopt -s oil:upgrade
   | 
  | 5 | 
  
    set -x
   | 
  | 6 | 
  
    
   | 
  | 7 | 
  
    # Reuse the default
   | 
  | 8 | 
  
    PS4='$LINENO '"$PS4"
   | 
  | 9 | 
  
    echo 1; echo 2
   | 
  | 10 | 
  
    echo 3
   | 
  | 11 | 
  
    ## STDOUT:
   | 
  | 12 | 
  
    1
   | 
  | 13 | 
  
    2
   | 
  | 14 | 
  
    3
   | 
  | 15 | 
  
    ## END
   | 
  | 16 | 
  
    ## STDERR:
   | 
  | 17 | 
  
    5 . builtin echo 1
   | 
  | 18 | 
  
    5 . builtin echo 2
   | 
  | 19 | 
  
    6 . builtin echo 3
   | 
  | 20 | 
  
    ## END
   | 
  | 21 | 
  
    
   | 
  | 22 | 
  
    
   | 
  | 23 | 
  
    
   | 
  | 24 | 
  
    shopt -s oil:upgrade
   | 
  | 25 | 
  
    set -x
   | 
  | 26 | 
  
    
   | 
  | 27 | 
  
    dir=/
   | 
  | 28 | 
  
    if [[ -d $dir ]]; then
   | 
  | 29 | 
  
      (( a = 42 ))
   | 
  | 30 | 
  
    fi
   | 
  | 31 | 
  
    cd /
   | 
  | 32 | 
  
    
   | 
  | 33 | 
  
    ## stdout-json: ""
   | 
  | 34 | 
  
    ## STDERR:
   | 
  | 35 | 
  
    . builtin cd /
   | 
  | 36 | 
  
    ## END
   | 
  | 37 | 
  
    
   | 
  | 38 | 
  
    
   | 
  | 39 | 
  
    shopt -s oil:upgrade xtrace_details
   | 
  | 40 | 
  
    shopt --unset errexit
   | 
  | 41 | 
  
    set -x
   | 
  | 42 | 
  
    
   | 
  | 43 | 
  
    {
   | 
  | 44 | 
  
      env false
   | 
  | 45 | 
  
      set +x
   | 
  | 46 | 
  
    } 2>err.txt
   | 
  | 47 | 
  
    
   | 
  | 48 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt >&2
   | 
  | 49 | 
  
    
   | 
  | 50 | 
  
    ## STDOUT:
   | 
  | 51 | 
  
    ## END
   | 
  | 52 | 
  
    ## STDERR:
   | 
  | 53 | 
  
    | command 12345: env 'false'
   | 
  | 54 | 
  
    ; process 12345: status 1
   | 
  | 55 | 
  
    . builtin set '+x'
   | 
  | 56 | 
  
    ## END
   | 
  | 57 | 
  
    
   | 
  | 58 | 
  
    
   | 
  | 59 | 
  
    shopt --set ysh:upgrade
   | 
  | 60 | 
  
    set -x
   | 
  | 61 | 
  
    
   | 
  | 62 | 
  
    shfunc() {
   | 
  | 63 | 
  
      : $1
   | 
  | 64 | 
  
    }
   | 
  | 65 | 
  
    
   | 
  | 66 | 
  
    proc p (x) {
   | 
  | 67 | 
  
      : $x
   | 
  | 68 | 
  
    }
   | 
  | 69 | 
  
    
   | 
  | 70 | 
  
    shfunc 1
   | 
  | 71 | 
  
    p 2
   | 
  | 72 | 
  
    ## stdout-json: ""
   | 
  | 73 | 
  
    ## STDERR:
   | 
  | 74 | 
  
    > proc shfunc 1
   | 
  | 75 | 
  
      . builtin ':' 1
   | 
  | 76 | 
  
    < proc shfunc
   | 
  | 77 | 
  
    > proc p 2
   | 
  | 78 | 
  
      . builtin ':' 2
   | 
  | 79 | 
  
    < proc p
   | 
  | 80 | 
  
    ## END
   | 
  | 81 | 
  
    
   | 
  | 82 | 
  
    
   | 
  | 83 | 
  
    shopt --set oil:upgrade
   | 
  | 84 | 
  
    set -x
   | 
  | 85 | 
  
    
   | 
  | 86 | 
  
    eval 'echo 1; echo 2'
   | 
  | 87 | 
  
    ## STDOUT:
   | 
  | 88 | 
  
    1
   | 
  | 89 | 
  
    2
   | 
  | 90 | 
  
    ## END
   | 
  | 91 | 
  
    ## STDERR:
   | 
  | 92 | 
  
    > eval
   | 
  | 93 | 
  
      . builtin echo 1
   | 
  | 94 | 
  
      . builtin echo 2
   | 
  | 95 | 
  
    < eval
   | 
  | 96 | 
  
    ## END
   | 
  | 97 | 
  
    
   | 
  | 98 | 
  
    
   | 
  | 99 | 
  
    echo 'echo "\$1 = $1"' > lib.sh
   | 
  | 100 | 
  
    
   | 
  | 101 | 
  
    shopt --set oil:upgrade
   | 
  | 102 | 
  
    set -x
   | 
  | 103 | 
  
    
   | 
  | 104 | 
  
    source lib.sh a b c
   | 
  | 105 | 
  
    
   | 
  | 106 | 
  
    # Test the quoting style.  TODO: Don't use bash style in YSH.
   | 
  | 107 | 
  
    
   | 
  | 108 | 
  
    source lib.sh x $'\xfe' $'\xff'
   | 
  | 109 | 
  
    
   | 
  | 110 | 
  
    ## STDOUT:
   | 
  | 111 | 
  
    $1 = a
   | 
  | 112 | 
  
    $1 = x
   | 
  | 113 | 
  
    ## END
   | 
  | 114 | 
  
    ## STDERR:
   | 
  | 115 | 
  
    > source lib.sh a b c
   | 
  | 116 | 
  
      . builtin echo '$1 = a'
   | 
  | 117 | 
  
    < source lib.sh
   | 
  | 118 | 
  
    > source lib.sh x $'\xfe' $'\xff'
   | 
  | 119 | 
  
      . builtin echo '$1 = x'
   | 
  | 120 | 
  
    < source lib.sh
   | 
  | 121 | 
  
    ## END
   | 
  | 122 | 
  
    
   | 
  | 123 | 
  
    
   | 
  | 124 | 
  
    shopt --set oil:upgrade
   | 
  | 125 | 
  
    shopt --unset errexit
   | 
  | 126 | 
  
    set -x
   | 
  | 127 | 
  
    
   | 
  | 128 | 
  
    {
   | 
  | 129 | 
  
      env false
   | 
  | 130 | 
  
      true
   | 
  | 131 | 
  
      set +x
   | 
  | 132 | 
  
    } 2>err.txt
   | 
  | 133 | 
  
    
   | 
  | 134 | 
  
    # normalize PIDs, assumed to be 2 or more digits
   | 
  | 135 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt >&2
   | 
  | 136 | 
  
    
   | 
  | 137 | 
  
    ## stdout-json: ""
   | 
  | 138 | 
  
    ## STDERR:
   | 
  | 139 | 
  
    | command 12345: env 'false'
   | 
  | 140 | 
  
    ; process 12345: status 1
   | 
  | 141 | 
  
    . builtin 'true'
   | 
  | 142 | 
  
    . builtin set '+x'
   | 
  | 143 | 
  
    ## END
   | 
  | 144 | 
  
    
   | 
  | 145 | 
  
    
   | 
  | 146 | 
  
    shopt --set oil:upgrade
   | 
  | 147 | 
  
    shopt --unset errexit
   | 
  | 148 | 
  
    set -x
   | 
  | 149 | 
  
    
   | 
  | 150 | 
  
    proc p {
   | 
  | 151 | 
  
      : p
   | 
  | 152 | 
  
    }
   | 
  | 153 | 
  
    
   | 
  | 154 | 
  
    {
   | 
  | 155 | 
  
      : begin
   | 
  | 156 | 
  
      ( 
   | 
  | 157 | 
  
        : 1
   | 
  | 158 | 
  
        p
   | 
  | 159 | 
  
        exit 3
   | 
  | 160 | 
  
      )
   | 
  | 161 | 
  
      set +x
   | 
  | 162 | 
  
    } 2>err.txt
   | 
  | 163 | 
  
    
   | 
  | 164 | 
  
    # Hack: sort for determinism
   | 
  | 165 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt | LANG=C sort >&2
   | 
  | 166 | 
  
    
   | 
  | 167 | 
  
    ## stdout-json: ""
   | 
  | 168 | 
  
    ## STDERR:
   | 
  | 169 | 
  
        . 12345 builtin ':' p
   | 
  | 170 | 
  
      + 12345 exit 3
   | 
  | 171 | 
  
      . 12345 builtin ':' 1
   | 
  | 172 | 
  
      < 12345 proc p
   | 
  | 173 | 
  
      > 12345 proc p
   | 
  | 174 | 
  
    . builtin ':' begin
   | 
  | 175 | 
  
    . builtin set '+x'
   | 
  | 176 | 
  
    ; process 12345: status 3
   | 
  | 177 | 
  
    | forkwait 12345
   | 
  | 178 | 
  
    ## END
   | 
  | 179 | 
  
    
   | 
  | 180 | 
  
    
   | 
  | 181 | 
  
    shopt --set oil:upgrade
   | 
  | 182 | 
  
    set -x
   | 
  | 183 | 
  
    
   | 
  | 184 | 
  
    {
   | 
  | 185 | 
  
      echo foo=$(echo bar)
   | 
  | 186 | 
  
      set +x
   | 
  | 187 | 
  
    
   | 
  | 188 | 
  
    } 2>err.txt
   | 
  | 189 | 
  
    
   | 
  | 190 | 
  
    # HACK: sort because xtrace output has non-determinism.
   | 
  | 191 | 
  
    # This is arguably a bug -- see issue #995.
   | 
  | 192 | 
  
    # The real fix might be to sys.stderr.flush() in few places?
   | 
  | 193 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt | LANG=C sort >&2
   | 
  | 194 | 
  
    
   | 
  | 195 | 
  
    ## STDOUT:
   | 
  | 196 | 
  
    foo=bar
   | 
  | 197 | 
  
    ## END
   | 
  | 198 | 
  
    ## STDERR:
   | 
  | 199 | 
  
      . 12345 builtin echo bar
   | 
  | 200 | 
  
    . builtin echo 'foo=bar'
   | 
  | 201 | 
  
    . builtin set '+x'
   | 
  | 202 | 
  
    ; process 12345: status 0
   | 
  | 203 | 
  
    | command sub 12345
   | 
  | 204 | 
  
    ## END
   | 
  | 205 | 
  
    
   | 
  | 206 | 
  
    
   | 
  | 207 | 
  
    shopt --set oil:upgrade
   | 
  | 208 | 
  
    shopt --unset errexit
   | 
  | 209 | 
  
    set -x
   | 
  | 210 | 
  
    
   | 
  | 211 | 
  
    # we wait() for them all at the end
   | 
  | 212 | 
  
    
   | 
  | 213 | 
  
    {
   | 
  | 214 | 
  
      : begin
   | 
  | 215 | 
  
      cat <(seq 2) <(echo 1)
   | 
  | 216 | 
  
      set +x
   | 
  | 217 | 
  
    } 2>err.txt
   | 
  | 218 | 
  
    
   | 
  | 219 | 
  
    # SORT for determinism
   | 
  | 220 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g; s|/fd/.|/fd/N|g' err.txt |
   | 
  | 221 | 
  
      LC_ALL=C sort >&2
   | 
  | 222 | 
  
    #cat err.txt >&2
   | 
  | 223 | 
  
    
   | 
  | 224 | 
  
    ## STDOUT:
   | 
  | 225 | 
  
    1
   | 
  | 226 | 
  
    2
   | 
  | 227 | 
  
    1
   | 
  | 228 | 
  
    ## END
   | 
  | 229 | 
  
    
   | 
  | 230 | 
  
    ## STDERR:
   | 
  | 231 | 
  
      . 12345 builtin echo 1
   | 
  | 232 | 
  
      . 12345 exec seq 2
   | 
  | 233 | 
  
    . builtin ':' begin
   | 
  | 234 | 
  
    . builtin set '+x'
   | 
  | 235 | 
  
    ; process 12345: status 0
   | 
  | 236 | 
  
    ; process 12345: status 0
   | 
  | 237 | 
  
    ; process 12345: status 0
   | 
  | 238 | 
  
    | command 12345: cat /dev/fd/N /dev/fd/N
   | 
  | 239 | 
  
    | proc sub 12345
   | 
  | 240 | 
  
    | proc sub 12345
   | 
  | 241 | 
  
    ## END
   | 
  | 242 | 
  
    
   | 
  | 243 | 
  
    
   | 
  | 244 | 
  
    shopt --set oil:upgrade
   | 
  | 245 | 
  
    set -x
   | 
  | 246 | 
  
    
   | 
  | 247 | 
  
    myfunc() {
   | 
  | 248 | 
  
      echo 1
   | 
  | 249 | 
  
      echo 2
   | 
  | 250 | 
  
    }
   | 
  | 251 | 
  
    
   | 
  | 252 | 
  
    {
   | 
  | 253 | 
  
      : begin
   | 
  | 254 | 
  
      myfunc | sort | wc -l
   | 
  | 255 | 
  
      set +x
   | 
  | 256 | 
  
    } 2>err.txt
   | 
  | 257 | 
  
    
   | 
  | 258 | 
  
    do_sort=1
   | 
  | 259 | 
  
    
   | 
  | 260 | 
  
    if test -n $do_sort; then
   | 
  | 261 | 
  
      # SORT for determinism
   | 
  | 262 | 
  
      sed --regexp-extended 's/[[:digit:]]{2,}/12345/g; s|/fd/.|/fd/N|g' err.txt | 
   | 
  | 263 | 
  
        LC_ALL=C sort >&2
   | 
  | 264 | 
  
    else
   | 
  | 265 | 
  
      cat err.txt
   | 
  | 266 | 
  
    fi
   | 
  | 267 | 
  
    
   | 
  | 268 | 
  
    ## STDOUT:
   | 
  | 269 | 
  
    2
   | 
  | 270 | 
  
    ## END
   | 
  | 271 | 
  
    ## STDERR:
   | 
  | 272 | 
  
          . 12345 builtin echo 1
   | 
  | 273 | 
  
          . 12345 builtin echo 2
   | 
  | 274 | 
  
        . 12345 exec sort
   | 
  | 275 | 
  
        < 12345 proc myfunc
   | 
  | 276 | 
  
        > 12345 proc myfunc
   | 
  | 277 | 
  
      ; process 12345: status 0
   | 
  | 278 | 
  
      ; process 12345: status 0
   | 
  | 279 | 
  
      ; process 12345: status 0
   | 
  | 280 | 
  
      | command 12345: wc -l
   | 
  | 281 | 
  
      | part 12345
   | 
  | 282 | 
  
      | part 12345
   | 
  | 283 | 
  
    . builtin ':' begin
   | 
  | 284 | 
  
    . builtin set '+x'
   | 
  | 285 | 
  
    < pipeline
   | 
  | 286 | 
  
    > pipeline
   | 
  | 287 | 
  
    ## END
   | 
  | 288 | 
  
    
   | 
  | 289 | 
  
    
   | 
  | 290 | 
  
    
   | 
  | 291 | 
  
    # Hm extra tracing
   | 
  | 292 | 
  
    
   | 
  | 293 | 
  
    shopt --set oil:upgrade
   | 
  | 294 | 
  
    set -x
   | 
  | 295 | 
  
    
   | 
  | 296 | 
  
    : begin
   | 
  | 297 | 
  
    ! false
   | 
  | 298 | 
  
    : end
   | 
  | 299 | 
  
    
   | 
  | 300 | 
  
    ## stdout-json: ""
   | 
  | 301 | 
  
    ## STDERR:
   | 
  | 302 | 
  
    . builtin ':' begin
   | 
  | 303 | 
  
    . builtin 'false'
   | 
  | 304 | 
  
    . builtin ':' end
   | 
  | 305 | 
  
    ## END
   | 
  | 306 | 
  
    
   | 
  | 307 | 
  
    
   | 
  | 308 | 
  
    
   | 
  | 309 | 
  
    shopt --set oil:upgrade
   | 
  | 310 | 
  
    shopt --unset errexit
   | 
  | 311 | 
  
    set -x
   | 
  | 312 | 
  
    
   | 
  | 313 | 
  
    myfunc() {
   | 
  | 314 | 
  
      echo 2
   | 
  | 315 | 
  
      echo 1
   | 
  | 316 | 
  
    }
   | 
  | 317 | 
  
    
   | 
  | 318 | 
  
    {
   | 
  | 319 | 
  
    	: begin
   | 
  | 320 | 
  
    	myfunc | sort | grep ZZZ &
   | 
  | 321 | 
  
    	wait
   | 
  | 322 | 
  
    	echo status=$?
   | 
  | 323 | 
  
      set +x
   | 
  | 324 | 
  
    } 2>err.txt
   | 
  | 325 | 
  
    
   | 
  | 326 | 
  
    # SORT for determinism
   | 
  | 327 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt |
   | 
  | 328 | 
  
      LC_ALL=C sort >&2
   | 
  | 329 | 
  
    
   | 
  | 330 | 
  
    ## STDOUT:
   | 
  | 331 | 
  
    status=0
   | 
  | 332 | 
  
    ## END
   | 
  | 333 | 
  
    ## STDERR:
   | 
  | 334 | 
  
        . 12345 builtin echo 1
   | 
  | 335 | 
  
        . 12345 builtin echo 2
   | 
  | 336 | 
  
      . 12345 exec grep ZZZ
   | 
  | 337 | 
  
      . 12345 exec sort
   | 
  | 338 | 
  
      ; process 12345: status 0
   | 
  | 339 | 
  
      ; process 12345: status 0
   | 
  | 340 | 
  
      ; process 12345: status 1
   | 
  | 341 | 
  
      < 12345 proc myfunc
   | 
  | 342 | 
  
      > 12345 proc myfunc
   | 
  | 343 | 
  
    . builtin ':' begin
   | 
  | 344 | 
  
    . builtin echo 'status=0'
   | 
  | 345 | 
  
    . builtin set '+x'
   | 
  | 346 | 
  
    < wait
   | 
  | 347 | 
  
    > wait
   | 
  | 348 | 
  
    [1] Done PGID 12345
   | 
  | 349 | 
  
    | part 12345
   | 
  | 350 | 
  
    | part 12345
   | 
  | 351 | 
  
    | part 12345
   | 
  | 352 | 
  
    ## END
   | 
  | 353 | 
  
    
   | 
  | 354 | 
  
    
   | 
  | 355 | 
  
    shopt --set oil:upgrade
   | 
  | 356 | 
  
    set -x
   | 
  | 357 | 
  
    
   | 
  | 358 | 
  
    {
   | 
  | 359 | 
  
      sleep 0.1 &
   | 
  | 360 | 
  
      wait
   | 
  | 361 | 
  
    
   | 
  | 362 | 
  
      shopt -s oil:upgrade
   | 
  | 363 | 
  
    
   | 
  | 364 | 
  
      fork {
   | 
  | 365 | 
  
        sleep 0.1
   | 
  | 366 | 
  
      }
   | 
  | 367 | 
  
      wait
   | 
  | 368 | 
  
      set +x
   | 
  | 369 | 
  
    } 2>err.txt
   | 
  | 370 | 
  
    
   | 
  | 371 | 
  
    # SORT for determinism
   | 
  | 372 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt |
   | 
  | 373 | 
  
      LC_ALL=C sort >&2
   | 
  | 374 | 
  
    
   | 
  | 375 | 
  
    ## stdout-json: ""
   | 
  | 376 | 
  
    ## STDERR:
   | 
  | 377 | 
  
      . 12345 exec sleep 0.1
   | 
  | 378 | 
  
      . 12345 exec sleep 0.1
   | 
  | 379 | 
  
      ; process 12345: status 0
   | 
  | 380 | 
  
      ; process 12345: status 0
   | 
  | 381 | 
  
    . builtin fork
   | 
  | 382 | 
  
    . builtin set '+x'
   | 
  | 383 | 
  
    . builtin shopt -s 'oil:upgrade'
   | 
  | 384 | 
  
    < wait
   | 
  | 385 | 
  
    < wait
   | 
  | 386 | 
  
    > wait
   | 
  | 387 | 
  
    > wait
   | 
  | 388 | 
  
    [1] Done PID 12345
   | 
  | 389 | 
  
    [1] Done PID 12345
   | 
  | 390 | 
  
    | fork 12345
   | 
  | 391 | 
  
    | fork 12345
   | 
  | 392 | 
  
    ## END
   | 
  | 393 | 
  
    
   | 
  | 394 | 
  
    # others: redirects?
   | 
  | 395 | 
  
    
   | 
  | 396 | 
  
    
   | 
  | 397 | 
  
    shopt --set ysh:upgrade
   | 
  | 398 | 
  
    shopt --unset errexit
   | 
  | 399 | 
  
    set -x
   | 
  | 400 | 
  
    
   | 
  | 401 | 
  
    {
   | 
  | 402 | 
  
      : begin
   | 
  | 403 | 
  
      tac <<EOF
   | 
  | 404 | 
  
    3
   | 
  | 405 | 
  
    2
   | 
  | 406 | 
  
    EOF
   | 
  | 407 | 
  
    
   | 
  | 408 | 
  
      set +x
   | 
  | 409 | 
  
    } 2>err.txt
   | 
  | 410 | 
  
    
   | 
  | 411 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt >&2
   | 
  | 412 | 
  
    
   | 
  | 413 | 
  
    ## STDOUT:
   | 
  | 414 | 
  
    2
   | 
  | 415 | 
  
    3
   | 
  | 416 | 
  
    ## END
   | 
  | 417 | 
  
    ## STDERR:
   | 
  | 418 | 
  
    . builtin ':' begin
   | 
  | 419 | 
  
    | command 12345: tac
   | 
  | 420 | 
  
    ; process 12345: status 0
   | 
  | 421 | 
  
    . builtin set '+x'
   | 
  | 422 | 
  
    ## END
   | 
  | 423 | 
  
    
   | 
  | 424 | 
  
    
   | 
  | 425 | 
  
    
   | 
  | 426 | 
  
    # BUG: This trace shows an extra process?
   | 
  | 427 | 
  
    
   | 
  | 428 | 
  
    shopt --set ysh:upgrade
   | 
  | 429 | 
  
    shopt --unset errexit
   | 
  | 430 | 
  
    set -x
   | 
  | 431 | 
  
    
   | 
  | 432 | 
  
    {
   | 
  | 433 | 
  
      cat - /dev/fd/3 <<EOF 3<<EOF2
   | 
  | 434 | 
  
    xx
   | 
  | 435 | 
  
    yy
   | 
  | 436 | 
  
    EOF
   | 
  | 437 | 
  
    zz
   | 
  | 438 | 
  
    EOF2
   | 
  | 439 | 
  
    
   | 
  | 440 | 
  
      set +x
   | 
  | 441 | 
  
    } 2>err.txt
   | 
  | 442 | 
  
    
   | 
  | 443 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt >&2
   | 
  | 444 | 
  
    
   | 
  | 445 | 
  
    ## STDOUT:
   | 
  | 446 | 
  
    xx
   | 
  | 447 | 
  
    yy
   | 
  | 448 | 
  
    zz
   | 
  | 449 | 
  
    ## END
   | 
  | 450 | 
  
    ## STDERR:
   | 
  | 451 | 
  
    | command 12345: cat - /dev/fd/3
   | 
  | 452 | 
  
    ; process 12345: status 0
   | 
  | 453 | 
  
    . builtin set '+x'
   | 
  | 454 | 
  
    ## END
   | 
  | 455 | 
  
    
   | 
  | 456 | 
  
    
   | 
  | 457 | 
  
    
   | 
  | 458 | 
  
    {
   | 
  | 459 | 
  
      echo 'wc -l <<EOF'
   | 
  | 460 | 
  
      seq 2000
   | 
  | 461 | 
  
      echo 'EOF'
   | 
  | 462 | 
  
    } > big-here.sh
   | 
  | 463 | 
  
    
   | 
  | 464 | 
  
    wc -l big-here.sh
   | 
  | 465 | 
  
    
   | 
  | 466 | 
  
    $SH -o ysh:upgrade -x big-here.sh 2>err.txt
   | 
  | 467 | 
  
    
   | 
  | 468 | 
  
    sed --regexp-extended 's/[[:digit:]]{2,}/12345/g' err.txt >&2
   | 
  | 469 | 
  
    
   | 
  | 470 | 
  
    ## STDOUT:
   | 
  | 471 | 
  
    2002 big-here.sh
   | 
  | 472 | 
  
    2000
   | 
  | 473 | 
  
    ## END
   | 
  | 474 | 
  
    ## STDERR:
   | 
  | 475 | 
  
    | here doc 12345
   | 
  | 476 | 
  
    | command 12345: wc -l
   | 
  | 477 | 
  
    ; process 12345: status 0
   | 
  | 478 | 
  
    ; process 12345: status 0
   | 
  | 479 | 
  
    ## END
   | 
  | 480 | 
  
    
   | 
  | 481 | 
  
    
   | 
  | 482 | 
  
    shopt --set oil:upgrade
   | 
  | 483 | 
  
    set -x
   | 
  | 484 | 
  
    
   | 
  | 485 | 
  
    for i in 1 2 3 {
   | 
  | 486 | 
  
      echo $i
   | 
  | 487 | 
  
      if (i === '2') {
   | 
  | 488 | 
  
        break
   | 
  | 489 | 
  
      }
   | 
  | 490 | 
  
    }
   | 
  | 491 | 
  
    
   | 
  | 492 | 
  
    for j in a b {
   | 
  | 493 | 
  
      for k in y z {
   | 
  | 494 | 
  
        echo $j $k
   | 
  | 495 | 
  
        if (k === 'y') {
   | 
  | 496 | 
  
          continue
   | 
  | 497 | 
  
        }
   | 
  | 498 | 
  
      }
   | 
  | 499 | 
  
    }
   | 
  | 500 | 
  
    
   | 
  | 501 | 
  
    proc zero {
   | 
  | 502 | 
  
      return 0
   | 
  | 503 | 
  
    }
   | 
  | 504 | 
  
    
   | 
  | 505 | 
  
    proc one {
   | 
  | 506 | 
  
      return 1
   | 
  | 507 | 
  
    }
   | 
  | 508 | 
  
    
   | 
  | 509 | 
  
    zero
   | 
  | 510 | 
  
    # one
   | 
  | 511 | 
  
    
   | 
  | 512 | 
  
    ## STDOUT:
   | 
  | 513 | 
  
    1
   | 
  | 514 | 
  
    2
   | 
  | 515 | 
  
    a y
   | 
  | 516 | 
  
    a z
   | 
  | 517 | 
  
    b y
   | 
  | 518 | 
  
    b z
   | 
  | 519 | 
  
    ## END
   | 
  | 520 | 
  
    ## STDERR:
   | 
  | 521 | 
  
    . builtin echo 1
   | 
  | 522 | 
  
    . builtin echo 2
   | 
  | 523 | 
  
    + break 1
   | 
  | 524 | 
  
    . builtin echo a y
   | 
  | 525 | 
  
    + continue 1
   | 
  | 526 | 
  
    . builtin echo a z
   | 
  | 527 | 
  
    . builtin echo b y
   | 
  | 528 | 
  
    + continue 1
   | 
  | 529 | 
  
    . builtin echo b z
   | 
  | 530 | 
  
    > proc zero
   | 
  | 531 | 
  
      + return 0
   | 
  | 532 | 
  
    < proc zero
   | 
  | 533 | 
  
    ## END
   | 
  | 534 | 
  
    
   | 
  | 535 | 
  
    
   | 
  | 536 | 
  
    
   | 
  | 537 | 
  
    shopt --set ysh:upgrade
   | 
  | 538 | 
  
    set -x
   | 
  | 539 | 
  
    
   | 
  | 540 | 
  
    echo $'one two\n' $'\u03bc'
   | 
  | 541 | 
  
    ## STDOUT:
   | 
  | 542 | 
  
    one two
   | 
  | 543 | 
  
     μ
   | 
  | 544 | 
  
    ## END
   | 
  | 545 | 
  
    ## STDERR:
   | 
  | 546 | 
  
    . builtin echo $'one two\n' 'μ'
   | 
  | 547 | 
  
    ## END
   |