sort monthwise

sort -M filename
sort command can sort month-wise (first three letters of each month). See the sample output for clarification. Sorting Stable ? NO. Take note if that matters to you. Sample output suggests that sort performs unstable sorting (see the relative order of two 'feb' entries).
Sample Output
$ cat my_months 
apr 789
feb 356
jan 982
jul 902
oct 876
sep 342
feb 267
may 534
mar 888
jun 654
dec 732
jun 672
nov 623

$ sort -M my_months 
jan 982
feb 267
feb 356
mar 888
apr 789
may 534
jun 654
jun 672
jul 902
sep 342                                                                                                                       
oct 876                                                                                                                       
nov 623                                                                                                                       
dec 732                             

2
By: b_t
2011-12-10 12:50:30

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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