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character match and count

 
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# 1  
Old 10-14-2009
character match and count

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1. The problem statement, all variables and given/known data:

How can I count number of occurance of a single character in a file..
eg. How many '$' characters are there in account file..!
2. Relevant commands, code, scripts, algorithms:
may be uniq,wc,cmp and using pipes


3. The attempts at a solution (include all code and scripts):
tried with uniq..but it shows number of lines repeated,not single character


4. School (University) and Course Number:
UB..CS390
# 2  
Old 10-14-2009
Code:
grep -o '\$' file-name | wc -l

Match using grep, and count using wc.

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In digital numeral systems, the radix is the number of unique digits minus 1.
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