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Fix smartwd script to ensure that it always works 

With Ruby version 1.8.5, the smartwd script would abort with an error that
the shift method would take no arguments. Therefore, I have restricted the
use of the script to ruby version 1.8.7 and above.

On older versions, it will simply behave the same as \w in PS1 of bash.
master
nirenjan 2013-02-19 15:14:12 -08:00
parent c64326cd06
commit f962d96980
1 changed files with 15 additions and 1 deletions
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14
smartwd
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@ -3,12 +3,22 @@
# Script to smartly chop off portions of the current working directory for # Script to smartly chop off portions of the current working directory for
# use in the shell prompt # use in the shell prompt
# Some of the methods don't work with Ruby versions older than 1.8.7
min_release = "1.8.7 (2008-08-11)"
ruby_release = "#{RUBY_VERSION} (#{RUBY_RELEASE_DATE})"
# Constants used to decide when to start chopping # Constants used to decide when to start chopping
DIRLIM = 5 DIRLIM = 5
DIR_L = 3 DIR_L = 3
DIR_R = 2 DIR_R = 2
PWDLEN = 14 PWDLEN = 14
def backslash_w
homedir = ENV['HOME']
pwd = ENV['PWD']
print pwd.gsub(homedir, '~')
end
def smartwd def smartwd
username = ENV['USER'] username = ENV['USER']
homedir = ENV['HOME'] homedir = ENV['HOME']
@ -51,5 +61,9 @@ def smartwd
print pwd print pwd
end end
if (ruby_release < min_release)
backslash_w
else
smartwd smartwd
end