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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2017 Jan Loeffler 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /MAINTAINERS: -------------------------------------------------------------------------------- 1 | Jan Löffler -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # CSV Tool 2 | 3 | CSV Tool lets you pretty print, add, move or remove columns from an CSV file directly from shell. 4 | 5 | ## Requirements 6 | 7 | * Linux tool "column" 8 | 9 | ## Usage 10 | 11 | $ ./csvtool.sh "file.csv" print Pretty print CSV 12 | $ ./csvtool.sh "file.csv" print 1,2,5,6 Pretty print CSV but only columns 1, 2, 5 and 6 13 | 14 | $ ./csvtool.sh "file.csv" columns Print columns with their column indexes 15 | 16 | $ ./csvtool.sh "file.csv" add 3 "New column title" Add a new column at position 3 with title "New column title" 17 | 18 | $ ./csvtool.sh "file.csv" remove 3 Remove column at position 3 19 | $ ./csvtool.sh "file.csv" remove "Column title" Remove column with title "Column title" 20 | 21 | $ ./csvtool.sh "file.csv" cut 3 Remove all columns starting at position 3 22 | $ ./csvtool.sh "file.csv" cut "Column title" Remove all columns starting at column with title "Column title" 23 | 24 | $ ./csvtool.sh "file.csv" move 5 3 Move column 5 to position 3 25 | $ ./csvtool.sh "file.csv" move "Column title" 3 Move column with title "Column title" to position 3 26 | 27 | $ ./csvtool.sh "file.csv" export "target file" Sync and export all column indexes to file "target file". Column changes will be updated, names stay untouched. 28 | 29 | $ ./csvtool.sh "file.csv" dot_to_comma Replace all "." to ",". 30 | 31 | ## Additional parameters 32 | 33 | $ delimiter=, Change delimiter to "," 34 | $ out=result.csv Save changes to "result.csv" 35 | -------------------------------------------------------------------------------- /csvtool.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # 3 | ################################################################################ 4 | ## CSV Tool to add or remove columns ## 5 | ################################################################################ 6 | 7 | # ----------- SETTINGS ----------- 8 | CSV_DELIMITER=";" 9 | TEMP_FILE="csvtool.tmp" 10 | 11 | REGEX_DIGITS="^[0-9]+$" 12 | 13 | unset SIMULATE 14 | unset NEW_CSV 15 | 16 | export LANG="en_US.utf-8" 17 | export LC_NUMERIC="en_US.utf-8" 18 | export LC_ALL="en_US.utf-8" 19 | 20 | # ----------- FUNCTIONS ----------- 21 | function print_help 22 | { 23 | echo 24 | 25 | if [[ -n $1 ]]; then 26 | echo "$1" 27 | else 28 | echo "CSV Tool lets you pretty print, add, move or remove columns from an CSV file directly from shell." 29 | fi 30 | 31 | echo 32 | echo "Usage:" 33 | echo " ./csvtool.sh \"file.csv\" print Pretty print CSV" 34 | echo " ./csvtool.sh \"file.csv\" print 1,2,5,6 Pretty print CSV but only columns 1, 2, 5 and 6" 35 | echo 36 | echo " ./csvtool.sh \"file.csv\" columns Print columns with their column indexes" 37 | echo 38 | echo " ./csvtool.sh \"file.csv\" add 3 \"New column title\" Add a new column at position 3 with title \"New column title\"" 39 | echo 40 | echo " ./csvtool.sh \"file.csv\" remove 3 Remove column at position 3" 41 | echo " ./csvtool.sh \"file.csv\" remove \"Column title\" Remove column with title \"Column title\"" 42 | echo 43 | echo " ./csvtool.sh \"file.csv\" cut 3 Remove all columns starting at position 3" 44 | echo " ./csvtool.sh \"file.csv\" cut \"Column title\" Remove all columns starting at column with title \"Column title\"" 45 | echo 46 | echo " ./csvtool.sh \"file.csv\" move 5 3 Move column 5 to position 3" 47 | echo " ./csvtool.sh \"file.csv\" move \"Column title\" 3 Move column with title \"Column title\" to position 3" 48 | echo 49 | echo " ./csvtool.sh \"file.csv\" export \"target file\" Sync and export all column indexes to file \"target file\". Column changes will be updated, names stay untouched." 50 | echo 51 | echo " ./csvtool.sh \"file.csv\" dot_to_comma Replace all \".\" to \",\"." 52 | echo 53 | echo "Additional parameters:" 54 | echo " delimiter=, Change delimiter to \",\"" 55 | echo " out=result.csv Save changes to \"result.csv\"" 56 | echo 57 | } 58 | 59 | # Function to get the index (starting from 0) for a column header. 60 | # Parameters: 1 File to check / 2 column header value 61 | function get_column_index 62 | { 63 | IFS=';' read -r -a COLUMNS <<< "$(head -n 1 $1)" 64 | i=0 65 | for ((i=0;i<${#COLUMNS[@]};i++)); do 66 | if [[ "${COLUMNS[$i]}" == "$2" ]]; then 67 | echo $i 68 | break 69 | fi 70 | done 71 | } 72 | 73 | function explode_columns 74 | { 75 | COLS="$1,," 76 | RESULT="," 77 | unset LAST_COL 78 | unset IN_RANGE 79 | while IFS='' read -r -d '' -n 1 char; do 80 | if [[ $char =~ ^[0-9]$ ]]; then 81 | LAST_COL+="$char" 82 | elif [[ $char == '-' ]]; then 83 | RESULT+=",$LAST_COL" 84 | IN_RANGE=$LAST_COL 85 | unset LAST_COL 86 | else 87 | if [[ -n $IN_RANGE ]]; then 88 | for ((i=$IN_RANGE;i<=$LAST_COL;i++)); do 89 | RESULT+=",$i" 90 | done 91 | unset IN_RANGE 92 | else 93 | RESULT+=",$LAST_COL" 94 | fi 95 | unset LAST_COL 96 | fi 97 | done < <(printf %s "$COLS") 98 | 99 | echo $RESULT 100 | } 101 | 102 | # Function to remove temp file. 103 | function clear_temp 104 | { 105 | if [ -f "$TEMP_FILE" ]; then rm "$TEMP_FILE"; fi 106 | } 107 | 108 | # ----------- START HERE ----------- 109 | if [[ "$@" == *"--help"* ]]; then 110 | print_help 111 | exit 0 112 | fi 113 | 114 | CSV_FILE=$1 115 | COMMAND=$2 116 | OPT1=$3 117 | OPT2=$4 118 | OUT_CSV=$CSV_FILE 119 | 120 | if [[ -z $CSV_FILE ]]; then 121 | print_help 122 | exit 1 123 | fi 124 | 125 | if [ ! -f "$CSV_FILE" ]; then 126 | print_help "ERROR: File \”$CSV_FILE\” not found!" 127 | exit 1 128 | fi 129 | 130 | if [[ -z $COMMAND ]]; then 131 | COMMAND="print" 132 | fi 133 | 134 | if [[ "$@" == *"SIM"* ]]; then SIMULATE="ON"; fi 135 | if [[ "$@" == *"delimiter="* ]]; then 136 | for PARAM in "$@"; do 137 | if [[ "$PARAM" == "delimiter="* ]]; then 138 | CSV_DELIMITER=$(echo $PARAM | sed 's/delimiter=//') 139 | fi 140 | done 141 | fi 142 | 143 | if [[ "$@" == *"out="* ]]; then 144 | for PARAM in "$@"; do 145 | if [[ "$PARAM" == "out="* ]]; then 146 | NEW_CSV=1 147 | OUT_CSV=$(echo $PARAM | sed 's/out=//') 148 | fi 149 | done 150 | fi 151 | 152 | clear_temp 153 | 154 | # --- print command --- 155 | if [[ $COMMAND == "pri"* ]]; then 156 | 157 | if [[ -n $OPT1 ]]; then 158 | COLUMNS=$(explode_columns "$OPT1") 159 | while read -r LINE; do 160 | IFS=$CSV_DELIMITER read -r -a CSV <<< "$LINE" 161 | 162 | LINE="" 163 | for ((i=0;i<${#CSV[@]};i++)); do 164 | if [[ "$COLUMNS" == *",$i,"* ]]; then 165 | LINE+="${CSV[$i]}${CSV_DELIMITER}" 166 | fi 167 | done 168 | 169 | echo "$LINE" | rev | cut -c 2- | rev >> "$TEMP_FILE" 170 | done < "$CSV_FILE" 171 | 172 | if [[ -n $NEW_CSV ]]; then 173 | cp $TEMP_FILE $OUT_CSV 174 | fi 175 | 176 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $TEMP_FILE | column -s "$CSV_DELIMITER" -t 177 | else 178 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $CSV_FILE | column -s "$CSV_DELIMITER" -t 179 | fi 180 | 181 | # --- columns command --- 182 | elif [[ $COMMAND == "col"* ]]; then 183 | 184 | IFS=$CSV_DELIMITER read -r -a CSV_HEADER <<< "$(head -n 1 $CSV_FILE)" 185 | for ((i=0;i<${#CSV_HEADER[@]};i++)); do 186 | echo "$(/usr/bin/printf "%2s" $i) ${CSV_HEADER[$i]}" 187 | done 188 | 189 | # --- add command --- 190 | elif [[ $COMMAND == "add" ]]; then 191 | 192 | if [[ -z $OPT1 ]] || [[ ! "$OPT1" =~ $REGEX_DIGITS ]]; then 193 | print_help "ERROR: 3rd parameter needs to be the column index as integer number!" 194 | exit 1 195 | fi 196 | 197 | COLUMN=$OPT1 198 | COLUMN_BEFORE=$((COLUMN - 1)) 199 | IS_HEADER=1 200 | while read -r LINE; do 201 | IFS=$CSV_DELIMITER read -r -a CSV <<< "$LINE" 202 | 203 | LINE="" 204 | if [[ $COLUMN_BEFORE -ge 0 ]]; then 205 | for ((i=0;i<=${COLUMN_BEFORE};i++)); do 206 | LINE+="${CSV[$i]}${CSV_DELIMITER}" 207 | done 208 | fi 209 | 210 | if [[ -n $IS_HEADER ]]; then 211 | LINE+="${OPT2}${CSV_DELIMITER}" 212 | unset IS_HEADER 213 | else 214 | LINE+="$CSV_DELIMITER" 215 | fi 216 | 217 | for ((i=${COLUMN};i<${#CSV[@]};i++)); do 218 | LINE+="${CSV[$i]}${CSV_DELIMITER}" 219 | done 220 | 221 | echo "$LINE" | rev | cut -c 2- | rev >> "$TEMP_FILE" 222 | done < "$CSV_FILE" 223 | 224 | if [[ -n $SIMULATE ]]; then 225 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $TEMP_FILE | column -s "$CSV_DELIMITER" -t 226 | else 227 | cp "$CSV_FILE" "$CSV_FILE.bak" 228 | cp "$TEMP_FILE" "$OUT_CSV" 229 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $OUT_CSV | column -s "$CSV_DELIMITER" -t 230 | fi 231 | 232 | # --- remove command --- 233 | elif [[ $COMMAND == "rem"* ]]; then 234 | 235 | if [[ -z $OPT1 ]]; then 236 | print_help "ERROR: 3rd parameter needs to be the column index as integer number or the column title!" 237 | exit 1 238 | fi 239 | 240 | if [[ "$OPT1" =~ $REGEX_DIGITS ]]; then COLUMN=$OPT1; else COLUMN=$(get_column_index "$CSV_FILE" "$OPT1"); fi 241 | COLUMN_BEFORE=$((COLUMN - 1)) 242 | COLUMN_AFTER=$((COLUMN + 1)) 243 | while read -r LINE; do 244 | IFS=$CSV_DELIMITER read -r -a CSV <<< "$LINE" 245 | 246 | LINE="" 247 | if [[ $COLUMN_BEFORE -ge 0 ]]; then 248 | for ((i=0;i<=$COLUMN_BEFORE;i++)); do 249 | LINE+="${CSV[$i]}${CSV_DELIMITER}" 250 | done 251 | fi 252 | 253 | if [[ $COLUMN_AFTER -lt ${#CSV[@]} ]]; then 254 | for ((i=$COLUMN_AFTER;i<${#CSV[@]};i++)); do 255 | LINE+="${CSV[$i]}${CSV_DELIMITER}" 256 | done 257 | fi 258 | 259 | echo "$LINE" | rev | cut -c 2- | rev >> "$TEMP_FILE" 260 | done < "$CSV_FILE" 261 | 262 | if [[ -n $SIMULATE ]]; then 263 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $TEMP_FILE | column -s "$CSV_DELIMITER" -t 264 | else 265 | cp "$CSV_FILE" "$CSV_FILE.bak" 266 | cp "$TEMP_FILE" "$OUT_CSV" 267 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $OUT_CSV | column -s "$CSV_DELIMITER" -t 268 | fi 269 | 270 | # --- cut command --- 271 | elif [[ $COMMAND == "cut"* ]]; then 272 | 273 | if [[ -z $OPT1 ]]; then 274 | print_help "ERROR: 3rd parameter needs to be the column index as integer number or the column title!" 275 | exit 1 276 | fi 277 | 278 | if [[ "$OPT1" =~ $REGEX_DIGITS ]]; then COLUMN=$OPT1; else COLUMN=$(get_column_index "$CSV_FILE" "$OPT1"); fi 279 | COLUMN_BEFORE=$((COLUMN - 1)) 280 | while read -r LINE; do 281 | IFS=$CSV_DELIMITER read -r -a CSV <<< "$LINE" 282 | 283 | LINE="" 284 | if [[ $COLUMN_BEFORE -ge 0 ]]; then 285 | for ((i=0;i<=$COLUMN_BEFORE;i++)); do 286 | LINE+="${CSV[$i]}${CSV_DELIMITER}" 287 | done 288 | fi 289 | 290 | echo "$LINE" | rev | cut -c 2- | rev >> "$TEMP_FILE" 291 | done < "$CSV_FILE" 292 | 293 | if [[ -n $SIMULATE ]]; then 294 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $TEMP_FILE | column -s "$CSV_DELIMITER" -t 295 | else 296 | cp "$CSV_FILE" "$CSV_FILE.bak" 297 | cp "$TEMP_FILE" "$OUT_CSV" 298 | sed "s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g;s/${CSV_DELIMITER}${CSV_DELIMITER}/$CSV_DELIMITER $CSV_DELIMITER/g" $OUT_CSV | column -s "$CSV_DELIMITER" -t 299 | fi 300 | 301 | # --- move command --- 302 | elif [[ $COMMAND == "mov"* ]]; then 303 | 304 | if [[ -z $OPT1 ]]; then 305 | print_help "ERROR: 3rd parameter needs to be the column index as integer number or the column title representing the column to be moved!" 306 | exit 1; 307 | fi 308 | 309 | if [[ -z $OPT2 ]] || [[ ! "$OPT2" =~ $REGEX_DIGITS ]]; then 310 | print_help "ERROR: 4th parameter needs to be the column index as integer number representing the column where the moved column should be inserted!" 311 | exit 1 312 | fi 313 | 314 | if [[ "$OPT1" =~ $REGEX_DIGITS ]]; then COLUMN_SOURCE=$OPT1; else COLUMN_SOURCE=$(get_column_index "$CSV_FILE" "$OPT1"); fi 315 | 316 | echo "Sorry, feature not implemented yet" 317 | 318 | # --- move command --- 319 | elif [[ $COMMAND == "exp"* ]]; then 320 | 321 | if [[ -z $OPT1 ]]; then 322 | print_help "ERROR: 3rd parameter needs to be the filename under which the column indexes should be stored!" 323 | exit 1 324 | fi 325 | 326 | TARGET_FILE=$OPT1 327 | 328 | if [ ! -f "$TARGET_FILE" ]; then 329 | echo "################################################################################" > "$TARGET_FILE" 330 | echo "## This file contains all column indexes of \"$CSV_FILE\"" >> "$TARGET_FILE" 331 | echo "################################################################################" >> "$TARGET_FILE" 332 | 333 | IFS=$CSV_DELIMITER read -r -a CSV_HEADER <<< "$(head -n 1 $CSV_FILE)" 334 | for ((i=0;i<${#CSV_HEADER[@]};i++)); do 335 | echo "COL_${i}=$i # ${CSV_HEADER[$i]}" >> "$TARGET_FILE" 336 | done 337 | else 338 | IFS=$CSV_DELIMITER read -r -a CSV_HEADER <<< "$(head -n 1 $CSV_FILE)" 339 | for ((i=0;i<${#CSV_HEADER[@]};i++)); do 340 | FOUND=$(grep -m 1 "# ${CSV_HEADER[$i]}$" "$TARGET_FILE") 341 | if [[ -n $FOUND ]]; then 342 | NEW_LINE="${FOUND%%=*}=$i # ${CSV_HEADER[$i]}" 343 | sed -i -- "s|$FOUND|$NEW_LINE|" "$TARGET_FILE" 344 | else 345 | echo "COL_${i}=$i # ${CSV_HEADER[$i]}" >> "$TARGET_FILE" 346 | fi 347 | done 348 | fi 349 | 350 | cat "$TARGET_FILE" 351 | 352 | # --- dot_to_comma command --- 353 | elif [[ $COMMAND == "dot_to_comma"* ]]; then 354 | sed -i -- "s/\./,/g" "$CSV_FILE" 355 | 356 | # --- unknown command --- 357 | else 358 | print_help "ERROR: Unkown command \”$COMMAND\”!" 359 | exit 1 360 | fi 361 | 362 | echo 363 | -------------------------------------------------------------------------------- /example.csv: -------------------------------------------------------------------------------- 1 | Column A;Column B;Column C;Column D;Column E;Column F 2 | Cell A1;Cell B1;Cell C1;Cell D1;Cell E1;Cell F1 3 | Cell A2;Cell B2;Cell C2;Cell D2;Cell E2;Cell F2 4 | Cell A3;Cell B3;Cell C3;Cell D3;Cell E3;Cell F3 5 | Cell A4;Cell B4;Cell C4;Cell D4;Cell E4;Cell F4 6 | Cell A5;Cell B5;Cell C5;Cell D5;Cell E5;Cell F5 7 | --------------------------------------------------------------------------------