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OpenSolaris 2009.06 - man page for concat (opensolaris section 1t)

concat(1T)						       Tcl Built-In Commands							concat(1T)

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NAME
concat - Join lists together
SYNOPSIS
concat ?arg arg ...? _________________________________________________________________
DESCRIPTION
This command joins each of its arguments together with spaces after trimming leading and trailing white-space from each of them. If all the arguments are lists, this has the same effect as concatenating them into a single list. It permits any number of arguments; if no args are supplied, the result is an empty string.
EXAMPLES
Although concat will concatenate lists (so the command: concat a b {c d e} {f {g h}} will return "a b c d e f {g h}" as its result), it will also concatenate things that are not lists, and hence the command: concat " a b {c " d " e} f" will return "a b {c d e} f" as its result. Note that the concatenation does not remove spaces from the middle of its arguments, so the command: concat "a b c" { d e f } will return "a b c d e f" (i.e. with three spaces between the a, the b and the c).
SEE ALSO
append(1T), eval(1T)
KEYWORDS
concatenate, join, lists
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWTcl | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+
NOTES
Source for Tcl is available on http://opensolaris.org. Tcl 8.3 concat(1T)

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