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Set default value only if not already defined

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Use the bash construction ${parameter:-word} to define default values
only if they are not already defined.
This commit is contained in:
Ludovic Rousseau 2012-08-03 23:07:32 +02:00
parent a114b8ccc4
commit 42e3fd3922
1 changed files with 5 additions and 5 deletions
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10
liquidprompt.bash
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@ -49,11 +49,11 @@ unset bash bmajor bminor
# CONFIGURATION #
#################
LP_BATTERY_THRESHOLD=75
LP_LOAD_THRESHOLD=60
LP_PATH_LENGTH=35
LP_PATH_KEEP=2
LP_REVERSE=0
LP_BATTERY_THRESHOLD=${LP_BATTERY_THRESHOLD:-75}
LP_LOAD_THRESHOLD=${LP_LOAD_THRESHOLD:-60}
LP_PATH_LENGTH=${LP_PATH_LENGTH:-35}
LP_PATH_KEEP=${LP_PATH_KEEP:-2}
LP_REVERSE=${LP_REVERSE:-0}
source ~/.liquidpromptrc 2> /dev/null