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Clear that length and position can be set by variable in substring extraction

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Andrey Samsonov 2015-05-02 15:34:56 +04:00
parent 7f1c4293e4
commit 8758bb845b
1 changed files with 2 additions and 1 deletions
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bash.html.markdown
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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