1 ## our_shell: ysh
2
3 #### ysh usage
4
5 set +o errexit
6
7 $[ENV.SH] --location-str foo.hay --location-start-line 42 -c 'echo ()' 2>err.txt
8
9 cat err.txt | grep -o -- '-- foo.hay:42: Unexpected'
10
11
12 # common idiom is to use -- to say it came from a file
13 $[ENV.SH] --location-str '[ stdin ]' --location-start-line 10 -c 'echo "line 10";
14 echo ()' 2>err.txt
15
16 cat err.txt | fgrep -o -- '-- [ stdin ]:11: Unexpected'
17
18 ## STDOUT:
19 -- foo.hay:42: Unexpected
20 line 10
21 -- [ stdin ]:11: Unexpected
22 ## END
23
24 #### --debug-file
25 var TMP = ENV.TMP
26 $[ENV.SH] --debug-file $TMP/debug.txt -c 'true'
27 grep 'Oils started with' $TMP/debug.txt >/dev/null && echo yes
28 ## stdout: yes
29
30 #### Filename quoting
31
32 echo '(BAD' > no-quoting
33 echo '(BAD' > 'with spaces.sh'
34 echo '(BAD' > $'bad \xff'
35
36 write -n '' > err.txt
37
38 $[ENV.SH] no-quoting 2>>err.txt || true
39 $[ENV.SH] 'with spaces.sh' 2>>err.txt || true
40 $[ENV.SH] $'bad \xff' 2>>err.txt || true
41
42 egrep --only-matching '^.*:1' err.txt
43
44 ## STDOUT:
45 no-quoting:1
46 "with spaces.sh":1
47 b'bad \yff':1
48 ## END
49
50
51 #### shopt --set verbose_errexit
52
53 try {
54 $[ENV.SH] -c '/bin/false' 2>on.txt
55 }
56
57 try {
58 $[ENV.SH] +o verbose_errexit -c '/bin/false' 2>off.txt
59 }
60
61 wc -l on.txt off.txt
62 #echo
63 #cat on.txt off.txt
64
65 ## STDOUT:
66 3 on.txt
67 0 off.txt
68 3 total
69 ## END
70
71 #### YSH shows options correctly (bug fix)
72
73 $[ENV.SH] -o | egrep 'errexit|pipefail'
74
75 ## STDOUT:
76 set -o errexit
77 set -o pipefail
78 ## END
79
80 #### --tool syntax-tree respects frontend/syntax_abbrev.py
81
82 $[ENV.SH] --tool syntax-tree <<< '''
83 echo 'sq'
84 '''
85
86 $[ENV.SH] --tool syntax-tree <<< '''
87 echo "hi $x ${y}"
88 '''
89
90 $[ENV.SH] --tool syntax-tree <<< '''
91 var x = 42 + a
92 '''
93
94 # this reflects the default width
95
96 ## STDOUT:
97 (C (w <Lit_Chars echo>) (w (SQ sq)))
98 (C
99 (w <Lit_Chars echo>)
100 (w (DQ <Lit_Chars "hi "> ($ x) <Lit_Chars " "> (${ VSub_Name y)))
101 )
102 (command.VarDecl
103 keyword:<KW_Var var>
104 lhs:[(NameType left:<Expr_Name x> name:x)]
105 rhs:(expr.Binary op:<Arith_Plus "+"> left:(Const Expr_DecInt _) right:(Var a))
106 )
107 ## END