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===== Length Operator =====
There are two way to get length of the string.
The sim... omments, please drop me a line.
Pattern Matching
There are two kinds of pattern matching available: matc... ngling you might want to employ is substitution. There are four substitution operators in bash, as shown... urn the rest.
These can be hard to remember, so here's a handy mnemonic device: # matches the front be
comparisons ===
<code>
#!/bin/bash
a=4
b=5
# Here "a" and "b" can be treated either as integers or strings.
# There is some blurring between the arithmetic and strin
