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Write a shell script, named grepdir.sh, that searches for a pattern in a directory, and all of its subdirectories. The starting directory is the first argument, the pattern is the second parameter, and the options for grep are all succeeding parameter(s). Options will start with a hyphen. The script should produce a usage statement if the script is misused.[davis@lect1 private]$ lscpdirs.sh grepdir.sh makemake.sh temp temp2 temp3 uncomp.sh [davis@lect1 private]$ grepdir.sh cpdirs.sh binusage: grepdir.sh directory pattern [-grep option]*[davis@lect1 private]$ grepdir.sh .usage: grepdir.sh directory pattern [-grep option]*[davis@lect1 private]$ grepdir.sh cpdirs.sh binusage: grepdir.sh directory pattern [-grep option]*[davis@lect1 private]$ grepdir.sh .usage: grepdir.sh directory pattern [-grep option]*[davis@lect1 private]$ grepdir.sh . bin#! /bin/bash#! /bin/bash#! /bin/bashbin in file 1#! /pkg/bin/bash[davis@lect1 private]$ grepdir.sh . bin -l./grepdir.sh./cpdirs.sh./makemake.sh./temp2/1./uncomp.sh[davis@lect1 private]$ grepdir.sh . BIN -l[davis@lect1 private]$ grepdir.sh . BIN -li./grepdir.sh./cpdirs.sh./makemake.sh./temp2/1./uncomp.sh[davis@lect1 private]$ grepdir.sh . BIN liusage: grepdir.sh directory pattern [-grep option]*[davis@lect1 private]$ grepdir.sh . BIN -n -i1:#! /bin/bash1:#! /bin/bash1:#! /bin/bash1:bin in file 11:#! /pkg/bin/bash[davis@lect1 private]mce_markernbsp;
Explain origins/genesis of wireless networking.
Calculate the relative return on investment if I want to invest in a company
An n-stage LFSR produces a sequence with a period of length at most 2n - 1, but the register has n bits and thus may assume 2n values. Why can the length of the period never be 2n? Which register value is excluded from the cycle, and why?
Write a program that calculates how many km had went a man and how far he was from the initial point .
How system access big date to maximium in usage?
What normalization is used for and why
mcbride marketing paperresource virtual organization for mcbride financial servicesmcbride financial services wants to
Compute net present value (NPV) and return on investment (ROI) and present break-even analysis (BEA). Suppose discount rate of 12 percent and five-year time horizon.
In a larger category of "Vaccine," you might divide an MMR vaccine into separate antigens, such as measles, mumps, and rubella. What other larger categories must be included? What challenges do you encounter in organizing the data? Refer to Chapte..
Price of product in short-term and long-term also describe why you believe supply, demand, or equilibrium price will be different, if at all, in short-term and long-term.
As the number of runs of the executable programs grows ("goes to infinity"), prove that the difference in compilation time on the two platforms becomes irrelevant for the total time for the program.
you may have observed such a situation before a highly publicized and outrageous crime has taken place and the suspect
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