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| author | Gerrit Pape <pape@smarden.org> | 2007-09-25 22:47:25 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-09-25 22:47:25 +0800 |
| commit | 474d2cdd444ea4cb1f1f028ac8faecc1abae35f9 (patch) | |
| tree | 1abf2336e2051603b8a48d8b1ee123f461854c3d | |
| parent | [MAN] Clarify description of -nt, -ot options to test builtin (diff) | |
| download | dash-474d2cdd444ea4cb1f1f028ac8faecc1abae35f9.tar.gz dash-474d2cdd444ea4cb1f1f028ac8faecc1abae35f9.zip | |
[MAN] Clarify syntax of the for command
Document that in a for loop 'in word ...' is optional, and if omitted, 'in "$@"' is used. Lars Wilke noticed this, and reported through http://bugs.debian.org/387441
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | src/dash.1 | 7 |
2 files changed, 6 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 4ea7374..003a0f7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,6 +1,7 @@ 2007-09-25 Gerrit Pape <pape@smarden.org> * Clarify description of -nt, -ot options to test builtin. + * Clarify syntax of the for command. 2007-09-25 Herbert Xu <herbert@gondor.apana.org.au> diff --git a/src/dash.1 b/src/dash.1 index 3aefe21..9b8ab0e 100644 --- a/src/dash.1 +++ b/src/dash.1 @@ -640,17 +640,20 @@ repeat until the exit status of the first list is zero. .Pp The syntax of the for command is .Bd -literal -offset indent -for variable in word ... +for variable [ in [ word ... ] ] do list done .Ed .Pp -The words are expanded, and then the list is executed repeatedly with the +The words following +.Pa in +are expanded, and then the list is executed repeatedly with the variable set to each word in turn. do and done may be replaced with .Dq { and .Dq } . +Omitting in word ... is equivalent to in "$@". .Pp The syntax of the break and continue command is .Bd -literal -offset indent |