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Top Forums Shell Programming and Scripting changing a variable length text to a fixed length Post 302442065 by dc18 on Tuesday 3rd of August 2010 07:53:29 AM
Old 08-03-2010
PHP Still need solution

Hi Scott,

Input file

Code:
01,10,000020,*,*,******,999999,00,,WERK 28 - BUS
01,10,000030,*,*,******,999999,00,,WERK 30 - UNIMOG
01,10,000060,*,*,******,999999,20,,LASTWAGEN
01,10,000065,*,*,******,999999,00,,WERK 65 - TRANSP.
01,00,000001,*,*,******,999999,00,,DB-PKW
01,00,000010,*,*,******,999999,00,,DB-LKW
01,00,100012,*,*,******,999999,20,,600
01,00,100014,*,*,******,999999,20,,600 LANG 4-T RIG
01,00,100015,*,*,******,999999,20,,600 LANDAUER
01,00,100016,*,*,******,999999,20,,600 LANG 6-T RIG

Output from script, before and after, showing field length & text

Code:
   b4 change 13    WERK 28 - BUS
after change 72    WERK              28                -                 BUS
   b4 change 16    WERK 30 - UNIMOG
after change 72    WERK              30                -                 UNIMOG
     b4 change 9    LASTWAGEN
after change 18    LASTWAGEN
   b4 change 17    WERK 65 - TRANSP.
after change 72    WERK              65                -                 TRANSP.
     b4 change 6    DB-PKW
after change 18    DB-PKW
     b4 change 6    DB-LKW
after change 18    DB-LKW
     b4 change 3    600
after change 18    600
   b4 change 16    600 LANG 4-T RIG
after change 72    600               LANG              4-T               RIG
   b4 change 12    600 LANDAUER
after change 36    600               LANDAUER
   b4 change 16    600 LANG 6-T RIG
after change 72    600               LANG              6-T               RIG

Shell Script

Code:
cat infile | while read line
do
  field=`echo $line | cut -d',' -f10`
  echo "   b4 change ${#field}    $field"
  field=$(printf "%-18s" $field)
  echo "after change ${#field}    $field"
done

Thanks
Dave

Last edited by dc18; 08-03-2010 at 03:34 PM..
 

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fwtmp(1M)																 fwtmp(1M)

NAME
fwtmp, wtmpfix - manipulate connect accounting records SYNOPSIS
[files] DESCRIPTION
fwtmp reads from the standard input and writes to the standard output, converting binary records of the type found in to formatted ASCII records. The ASCII version is useful to enable editing, via ed(1), bad records or for general purpose maintenance of the file. The argument is used to denote that input is in ASCII form, and output is to be written in binary form. The arguments and are independent, respectively specifying ASCII input and binary output. Therefor, is an ASCII to ASCII copy and is a binary to binary copy. should be used for reading If is not used, structure is read. wtmpfix examines the standard input or named files in format, corrects the time/date stamps to make the entries consistent, and writes to the stan- dard output. A can be used in place of files to indicate the standard input. If time/date corrections are not performed, will fault when it encounters certain date-change records. Each time the date is set, a pair of date change records is written to The first record is the old date denoted by the string old time placed in the line field and the flag placed in the type field of the structure. The second record specifies the new date, and is denoted by the string placed in the line field and the flag placed in the type field. uses these records to synchronize all time stamps in the file. nullifies date change records when writing to the standard output by setting the time field of the structure in the old date change record equal to the time field in the new date change record. This prevents and from factoring in a date change record pair more than once. In addition to correcting time/date stamps, wtmpfix checks the validity of the name field to ensure that it consists solely of alphanumeric characters or spaces. If it encounters a name that is considered invalid, it changes the login name to and writes a diagnostic to the standard error. This minimizes the risk that will fail when processing connect accounting records. DIAGNOSTICS
wtmpfix generates the following diagnostics messages: WARNINGS
generates no errors, even on garbage input. FILES
SEE ALSO
ed(1), acct(1M), acctcms(1M), acctcom(1M), acctcon(1M), acctmerg(1M), acctprc(1M), acctsh(1M), runacct(1M), acct(2), acct(4), utmp(4), wtmps(4). STANDARDS CONFORMANCE
fwtmp(1M)
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