diff --git a/README.md b/README.md
index 769bc34e274e16b610f89ee385e247919c91f996..4c0efbb226d5b96a724c4abd7cc70666b02e9ac2 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,11 @@ Check for updated versions (more recent release tags) at https://gitlab.pasteur.
 
 #### WHAT'S NEW IN
 
+## v1.3.0
+
+test_column_nb_perline_in_file_fun with better writting
+
+
 ## v1.2.0
 
 output file name error in test_column_nb_perline_in_file_fun fixed
diff --git a/little_bash_functions.sh b/little_bash_functions.sh
index 53f0656477b267d46728094396b06b2bc1a607d7..06a48195e00aeee5fc2a66c33c24c79c87b22b78 100644
--- a/little_bash_functions.sh
+++ b/little_bash_functions.sh
@@ -2,7 +2,7 @@
 
 ################################################################
 ##                                                            ##
-##     LITTLE BASH FUNCTIONS v1.2.0                           ##
+##     LITTLE BASH FUNCTIONS v1.3.0                           ##
 ##                                                            ##
 ##     Gael A. Millot                                         ##
 ##                                                            ##
@@ -309,14 +309,14 @@ function test_column_nb_perline_in_file_fun () {
             ((OPTIND--)) # or ((OPTIND-1)) ?
         fi
     }
-    local OPTIND OPTION i o d l INPUT_FUN OUTPUT_FUN OUTPUT_WOPATTERN_FUN CHARACTER_FUN
+    local OPTIND OPTION i o d l INPUT_FUN OUTPUT_ERROR_FUN OUTPUT_WO_ERROR_FUN CHARACTER_FUN
     while getopts ":i:o:c:d:" OPTION ; do
         # add : after the option name to specify that something is required (-h has nothing required after)
         # the first : before h is to induce getopts switching to "silent error reporting mode" (disable annoying messages).
         case $OPTION in 
             i)    verif $OPTARG ; INPUT_FUN=$OPTARG ;;
-            o)    verif $OPTARG ; OUTPUT_FUN=$OPTARG  ;;
-            c)    verif $OPTARG ; OUTPUT_WOPATTERN_FUN=$OPTARG  ;;
+            o)    verif $OPTARG ; OUTPUT_ERROR_FUN=$OPTARG  ;;
+            c)    verif $OPTARG ; OUTPUT_WO_ERROR_FUN=$OPTARG  ;;
             d)    verif $OPTARG ; CHARACTER_FUN=$OPTARG  ;;
             \?)  echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### INVALID OPTION\n" ; return 1 ;;
             :)  echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### OPTION -${OPTARG} REQUIRES AN ARGUMENT\n" ; return 1 ;;
@@ -331,18 +331,18 @@ function test_column_nb_perline_in_file_fun () {
         echo -e "\n### test_column_nb_perline_in_file_fun ERROR ###  ${INPUT_FUN} FILE NOT PRESENT IN `dirname $INPUT_FUN`\n"
         return 1
     fi
-    if [[ -z $OUTPUT_FUN ]]; then
-        local OUTPUT_FUN=${INPUT_FUN}_error_line
+    if [[ -z $OUTPUT_ERROR_FUN ]]; then
+        local OUTPUT_ERROR_FUN=${INPUT_FUN}_error_line
     fi
-    if [[ -f $OUTPUT_FUN ]]; then
-        echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### ${OUTPUT_FUN} FILE ALREADY EXISTS\n"
+    if [[ -f $OUTPUT_ERROR_FUN ]]; then
+        echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### ${OUTPUT_ERROR_FUN} FILE ALREADY EXISTS\n"
         return 1
     fi
-    if [[ -z $OUTPUT_WOPATTERN_FUN ]]; then
-        local OUTPUT_WOPATTERN_FUN=${INPUT_FUN}_wo_error_line
+    if [[ -z $OUTPUT_WO_ERROR_FUN ]]; then
+        local OUTPUT_WO_ERROR_FUN=${INPUT_FUN}_wo_error_line
     fi
-    if [[ -f $OUTPUT_WOPATTERN_FUN ]]; then
-        echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### ${OUTPUT_WOPATTERN_FUN} FILE ALREADY EXISTS\n"
+    if [[ -f $OUTPUT_WO_ERROR_FUN ]]; then
+        echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### ${OUTPUT_WO_ERROR_FUN} FILE ALREADY EXISTS\n"
         return 1
     fi
     if [[ -z $CHARACTER_FUN ]]; then
@@ -364,29 +364,29 @@ function test_column_nb_perline_in_file_fun () {
             echo -e "\n### test_column_nb_perline_in_file_fun ERROR ### THE FIRST LINE OF $INPUT_FUN IS EMPTY: USE file_pattern_detection_fun TO REMOVE EMPTY LINES\n"
             return 2
         fi
-        awk -F "$CHARACTER_FUN" -v var1=$NB_COL_FIRSTLINE 'NF!=var1{print NR, $0}' $INPUT_FUN > ${OUTPUT_FUN} # recover the error lines
-        awk -F "$CHARACTER_FUN" -v var1=$NB_COL_FIRSTLINE 'NF==var1{print $0}' $INPUT_FUN > $OUTPUT_WOPATTERN_FUN
+        awk -F "$CHARACTER_FUN" -v var1=$NB_COL_FIRSTLINE 'NF!=var1{print NR, $0}' $INPUT_FUN > ${OUTPUT_ERROR_FUN} # recover the error lines
+        awk -F "$CHARACTER_FUN" -v var1=$NB_COL_FIRSTLINE 'NF==var1{print $0}' $INPUT_FUN > $OUTPUT_WO_ERROR_FUN
         # rm $INPUT_FUN
-        local NB_ERROR_LINES=$(wc -l < "${OUTPUT_FUN}") # number of error lines
+        local NB_ERROR_LINES=$(wc -l < "${OUTPUT_ERROR_FUN}") # number of error lines
         if [[ $NB_ERROR_LINES == 0 ]] ; then
             echo -e "\ntest_column_nb_perline_in_file_fun MESSAGE: NO DIFFERENT COLUMN NUMBER FOUND IN LINES OF ${INPUT_FUN} HAVING $NB_COL_FIRSTLINE COLUMNS IN THE FIRST LINE\n"
-            rm ${OUTPUT_FUN}
-            rm ${OUTPUT_WOPATTERN_FUN}
+            rm ${OUTPUT_ERROR_FUN}
+            rm ${OUTPUT_WO_ERROR_FUN}
             return 0
         elif [[ $NB_ERROR_LINES == $(( ${TOTAL_NB_LINES} - 1 )) ]]; then
             echo -e "\ntest_column_nb_perline_in_file_fun MESSAGE: ONLY THE FIRST LINE HAS A DIFFERENT COLUMN NUMBER FROM THE REST OF THE ${INPUT_FUN} FILE\nTHE FIRST LINE IS:\n$(head -n 1 $INPUT_FUN)"
-            rm ${OUTPUT_FUN}
-            rm ${OUTPUT_WOPATTERN_FUN}
+            rm ${OUTPUT_ERROR_FUN}
+            rm ${OUTPUT_WO_ERROR_FUN}
             return 3
         else
-            echo -e "test_column_nb_perline_in_file_fun MESSAGE: ${NB_ERROR_LINES} LINES FOUND IN ${INPUT_FUN} SHOWING A NUMBER OF COLUMN DIFFERENT FROM $NB_COL_FIRSTLINE COLUMNS AS FOUND IN THE FIRST LINE\n" # | tee -a $OUTPUT_FUN
-            # echo -e "THE PROBLEMATIC LINES ARE:\n" >> $OUTPUT_FUN
+            echo -e "test_column_nb_perline_in_file_fun MESSAGE: ${NB_ERROR_LINES} LINES FOUND IN ${INPUT_FUN} SHOWING A NUMBER OF COLUMN DIFFERENT FROM $NB_COL_FIRSTLINE COLUMNS AS FOUND IN THE FIRST LINE\n" # | tee -a $OUTPUT_ERROR_FUN
+            # echo -e "THE PROBLEMATIC LINES ARE:\n" >> $OUTPUT_ERROR_FUN
             if(( ${NB_ERROR_LINES} <= 200 )) ; then # display if less than 200
                 echo -e "\ntest_column_nb_perline_in_file_fun MESSAGE: THE PROBLEMATIC LINES ARE:\n"
-                cat ${OUTPUT_FUN}
+                cat ${OUTPUT_ERROR_FUN}
                 echo -e "\n\n"
             else
-                echo -e "\ntest_column_nb_perline_in_file_fun MESSAGE: THE PROBLEMATIC LINES ARE MORE THAN 200 -> ONLY PRINTED IN THE $OUTPUT_FUN FILE:\n"
+                echo -e "\ntest_column_nb_perline_in_file_fun MESSAGE: THE PROBLEMATIC LINES ARE MORE THAN 200 -> ONLY PRINTED IN THE $OUTPUT_ERROR_FUN FILE:\n"
             fi
             return 4
         fi