This is the input file with comma delimiter.$ cat dine_final.txtFILENAME,FILESIZE,FILECOUNTbur_m2_j12_re_yyyymmdd.dat,1235,1254bur_m2_j13_re_yyyymmdd.dat,125,12546825bur_m2_j14_re_yyyymmdd.dat,12565652425,125856bur_m2_j35_re_yyyymmdd.dat,125,12bur_m2_j40_re_yyyymmdd.dat,123542,1254macys_unified_RE_prod_yyyymmdd.dat,12354,1254I want the output with the good looking format. all the fields under FILENAME should start with exact same beginning, FILESIZE should start with same field, FILECOUNT should start with same field.FILENAME                                FILESIZE        FILECOUNTbur_m2_j12_re_yyyymmdd.dat              1235            1254bur_m2_j13_re_yyyymmdd.dat              125             12546825bur_m2_j14_re_yyyymmdd.dat              12565652425     125856bur_m2_j35_re_yyyymmdd.dat              125             12bur_m2_j40_re_yyyymmdd.dat              123542          1254macys_unified_RE_prod_yyyymmdd.dat      12354           1254
how to format the details in a text file using unix
aix;csv;text formatting