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Full Discussion: How to compare two strings
Top Forums Shell Programming and Scripting How to compare two strings Post 302227001 by otheus on Wednesday 20th of August 2008 11:13:16 AM
Old 08-20-2008
Quote:
Originally Posted by Niroj
SmilieThat is good but I used the way how Prashant tried.. so tht he can find wht is the prob in his string comp approach..
The problem is that he's comparing a string using the shell's NUMERICAL comparators (lt, ge, etc). He could use bash's STRING comparators. The weird thing is that they have to be escaped, so I avoid them.

Code:
$ test "0.1.2" \< "0.1.3" && echo smaller
smaller

Again, that only works in BASH (at least since version 2.05 // 2005).
 

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sfind(1)							    ShapeTools								  sfind(1)

NAME
sfind - shapeTools RMS recursively descend a system hierarchy SYNOPSIS
sfind [-subs | -comp] directory [command] DESCRIPTION
Sfind recursively descends the system hierarchy of a software system managed by the shapeTools Release Management System (shapeTools RMS). Sfind starts it's search from directory downwards. According to the shapeTools RMS conventions, directory must contain a Shapefile which lists the subsystems in the variable SUBSYSTEMS and the subsystem components in the variable COMPONENTS. Each subsystem is visited. If no command is specified, sfind echoes the pathnames of the subsystems it finds, or, if the option -comp is given, the pathnames of the components of each subsystem. When a command is given, it is executed in the directory of each subsystem. The string ``{}'' in command is replaced by the pathname of the subsystem or component. OPTIONS
-subs command is invoked for each subsystem. This is the default. ``{}'' in command is replaced by the pathname of the subsystem. -comp command is invoked for each component. ``{}'' in command is replaced by the pathname of the component. EXAMPLES
List all system components: sfind -comp ~/development Show the pathnames of all versionfiles: sfind ~/development echo -n {}/ ; shape -echo VERSIONFILE Echo identification of the last release of each subsystem: sfind ~/development vl -last -format '$__lastrelease$\n' `shape -echo VERSIONFILE` Necessary quoting to echo a pair of curly braces: sfind ~/development echo two \{\} braces SEE ALSO
find(1), sh(1), shape(1), shape_RMS(1), shape_tmpl(7) CAVEATS
Quoting of shell meta characters can be tough. BUGS
The program is slow because shape(1) is called at least once for each subsystem. When sfind is interrupted, usually shape(1) displays the message ``shape - interrupted'', which may be confusing. AUTHOR
Andreas.Lampen@cs.tu-berlin.de shape_RMS-1.15 Fri Jun 25 17:01:50 1993 sfind(1)
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