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Top Forums UNIX for Beginners Questions & Answers Use portion of file name as new file name Post 302988110 by RudiC on Tuesday 20th of December 2016 12:30:11 PM
Old 12-20-2016
To run an awk script from the shell (bash?) command line, you need to enter a command like awk extvars '...script...' inputstream (other syntaxes are possible).
What I see in your post above is quite mysterious to me:

- -bash: {TMP: command not found looks like the leading awk is missing
- -bash: Raul@Raul-PC: command not found looks like you copied the shell prompt for the command

To make it (hopefully) unambiguously clear: please run
Code:
awk -F, '
BEGIN   {months ["JAN"]="AP01"; months ["FEB"]="AP02"; months ["MAR"]="AP03";
         months ["APR"]="AP04"; months ["MAY"]="AP05"; months ["JUN"]="AP06";
         months ["JUL"]="AP07"; months ["AUG"]="AP08"; months ["SEP"]="AP09";
         months ["OCT"]="AP10"; months ["NOV"]="AP11"; months ["DEC"]="AP12";
        }
        {TMP = FILENAME
         sub (/\.*$/, "", TMP)
         print "a_" TMP "_ACTUAL_"months[substr($3,0,3)]"20" substr($3,5,2)"_RR.txt"
        }
' *.txt

from the command line and report the results.
 

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atprint(3)						       AtFS Toolkit Library							atprint(3)

NAME
atWriteStatus, atWriteMode, atWriteDate, atWriteName, atScanStatus - print and scan special attribute values SYNOPSIS
#include <atfs.h> #include <atfstk.h> char*atWriteStatus (Af_key *aso; int verbose); char*atWriteMode (Af_key *aso); char*atWriteDate (Af_key *aso, char *dateAttribute); char*atWriteName (Af_key *aso, char *path); int atScanStatus (char *statusStr); DESCRIPTION
atWriteStatus returns a string representation of Asos AF_STATE attribute. With the verbose argument TRUE, atWriteStatus returns a long (8 character) status name. Otherwise, on FALSE, it returns a one character short representation. The result value is a statically defined string in any case. atWriteMode generates a ls -l(1) like (e.g. -rwxr-xr-x) string representation of the AF_MODE attribute. It returns its result in static memory, which will be overwritten on subsequent calls. atWriteDate produces a date string from the given dateAttribute to be used for ls -l(1) like output (e.g. Jan 8 11:07 or Jul 10 1992). The format of the date string depends on the value of the date attribute. The string is always 12 characters long and begins with the month and day. For dates younger than 6 months, the third field is the time, for dates older than 6 months, the year. The result string resides in static memory, which will be overwritten on subsequent calls. atWriteName generates a bound pathname from path and aso. atScanStatus converts an status string to an internal numeric status value. It understands various abbreviations, including the one charac- ter status strings generated by atWriteStatus. .BUGS The format switch in afWriteDate (for dates older than six months) does not happen at exactly the right time. It may be a few days later. AtFStk-1.12 Fri Jun 25 16:39:43 1993 atprint(3)
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