06-12-2008
split based on the number of characters
Hello,
if i have file like this:
010000890306932455804 05306977653873 0520080417010520ISMS SMT ZZZZZZZZZZZZZOC30693599000 30971360000 ZZZZZZZZZZZZZZZZZZZZ202011302942311 010000890306946317387 05306977313623 0520080417010520ISMS SMT ZZZZZZZZZZZZZOC306942190000 30971360000 ZZZZZZZZZZZZZZZZZZZZ202010300391748 010000890306945153336 05306977918990 0520080417010521ISMS SMT ZZZZZZZZZZZZZOC306942190000 30971360000 ZZZZZZZZZZZZZZZZZZZZ202011304607230 010000890306948068406 05306977404213 0520080417010523ISMS SMT ZZZZZZZZZZZZZOC306942190000 30971360000 ZZZZZZZZZZZZZZZZZZZZ202010000717971 010000890306998573372
How can i perform a split based on the number of characters?
Foa example i want in array[0] to be stored the 70 first characters of the file and in array[1] the next 70 charactets etc...
How can i do this?
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split(3tcl) Tcl Built-In Commands split(3tcl)
__________________________________________________________________________________________________________________________________________________
NAME
split - Split a string into a proper Tcl list
SYNOPSIS
split string ?splitChars?
_________________________________________________________________
DESCRIPTION
Returns a list created by splitting string at each character that is in the splitChars argument. Each element of the result list will con-
sist of the characters from string that lie between instances of the characters in splitChars. Empty list elements will be generated if
string contains adjacent characters in splitChars, or if the first or last character of string is in splitChars. If splitChars is an empty
string then each character of string becomes a separate element of the result list. SplitChars defaults to the standard white-space char-
acters.
EXAMPLES
Divide up a USENET group name into its hierarchical components:
split "comp.lang.tcl.announce" .
-> comp lang tcl announce
See how the split command splits on every character in splitChars, which can result in information loss if you are not careful:
split "alpha beta gamma" "temp"
-> al {ha b} {} {a ga} {} a
Extract the list words from a string that is not a well-formed list:
split "Example with {unbalanced brace character"
-> Example with {unbalanced brace character
Split a string into its constituent characters
split "Hello world" {}
-> H e l l o { } w o r l d
PARSING RECORD-ORIENTED FILES
Parse a Unix /etc/passwd file, which consists of one entry per line, with each line consisting of a colon-separated list of fields:
## Read the file
set fid [open /etc/passwd]
set content [read $fid]
close $fid
## Split into records on newlines
set records [split $content "
"]
## Iterate over the records
foreach rec $records {
## Split into fields on colons
set fields [split $rec ":"]
## Assign fields to variables and print some out...
lassign $fields
userName password uid grp longName homeDir shell
puts "$longName uses [file tail $shell] for a login shell"
}
SEE ALSO
join(3tcl), list(3tcl), string(3tcl)
KEYWORDS
list, split, string
Tcl split(3tcl)