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Merge pull request #1079 from kryzhovnik/bash/string-substitution

Clear that length and position can be set by a variable in substring extraction
This commit is contained in:
Levi Bostian
2015-05-02 20:55:31 -05:00

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@@ -59,7 +59,8 @@ echo ${VARIABLE/Some/A}
# This will substitute the first occurance of "Some" with "A"
# Substring from a variable
echo ${VARIABLE:0:7}
LENGTH=7
echo ${VARIABLE:0:LENGTH}
# This will return only the first 7 characters of the value
# Default value for variable