Thank you for your nice code sir, may I add here my humble view here(hope I am correct here, kindly correct me if I am wrong here).
I think if we need to print last 100 columns then final line in above code could be following.
I haven't tested it though.
Thanks,
R. Singh
Hi Ravinder,
No. The list that is the option-argument to the cut -b list, -c list, and -f list options is a comma separated set of specifiers of one of four forms:
number: specifying that that byte, character, or field number number, respectively, (with the 1st item on a line being number 1) be output,
number-: specifying that byte, character, or field number number and every byte, character, or field following it on that line be output,
num1-num2: specifying that byte, character, or field numbers num1 through num2, inclusive, be output, and
-number: specifying that byte, character, or field numbers 1 through number, inclusive, be output.
Since the request in this thread is to print the 1st field and the last 100 fields and Robin's code is setting columns to the number of fields on the first line in the file named input_file, (assuming that the field delimiter in input_file is a <tab> character, that would be:
(the -d delimiter option is not needed since the default delimiter in cut is the <tab> character).
Hi Robin,
The command:
can be changed to:
using just shell built-ins without needing to exec head and tr. Note also that the standards explicitly stated that:
produces unspecified results starting in the 2004 revision of the standard; that form was deprecated in the 1992 edition of the standard with the preferred form being:
These 2 Users Gave Thanks to Don Cragun For This Post:
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