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Top Forums UNIX for Dummies Questions & Answers mass delete a certain string in a .log file Post 79368 by infierno on Wednesday 27th of July 2005 09:25:29 AM
Old 07-27-2005
Quote:
Originally Posted by jalge2
The question is, will this append the information to a new file, or delete it out of the existing. We ftp the file over to the LAN Server and so I would like the information removed.
This will append to a new file... in the example shown 'mybigfile' still remains on your directory and the command output will create 'newsmallerfile', maybe you can remove the big file after running the command?
 

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

__________________________________________________________________________________________________________________________________________________

NAME
append - Append to variable SYNOPSIS
append varName ?value value value ...? _________________________________________________________________ DESCRIPTION
Append all of the value arguments to the current value of variable varName. If varName doesn't exist, it is given a value equal to the concatenation of all the value arguments. The result of this command is the new value stored in variable varName. This command provides an efficient way to build up long variables incrementally. For example, ``append a $b'' is much more efficient than ``set a $a$b'' if $a is long. EXAMPLE
Building a string of comma-separated numbers piecemeal using a loop. set var 0 for {set i 1} {$i<=10} {incr i} { append var "," $i } puts $var # Prints 0,1,2,3,4,5,6,7,8,9,10 SEE ALSO
concat(1T), lappend(1T) KEYWORDS
append, variable 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 append(1T)
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