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pdf_split.go
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60 lines (49 loc) · 1.38 KB
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/*
* Basic PDF split example: Splitting by page range.
*
* Run as: go run pdf_split.go input.pdf <page_from> <page_to> output.pdf
* To get only page 1 and 2 from input.pdf and save as output.pdf run: go run pdf_split.go input.pdf 1 2 output.pdf
*/
package main
import (
"fmt"
"os"
"strconv"
"github.com/unidoc/unipdf/v4/common/license"
"github.com/unidoc/unipdf/v4/pdfutil"
)
func init() {
// Make sure to load your metered License API key prior to using the library.
// If you need a key, you can sign up and create a free one at https://cloud.unidoc.io
err := license.SetMeteredKey(os.Getenv(`UNIDOC_LICENSE_API_KEY`))
if err != nil {
panic(err)
}
}
func main() {
if len(os.Args) < 5 {
fmt.Printf("Usage: go run pdf_split.go input.pdf <page_from> <page_to> output.pdf\n")
os.Exit(1)
}
inputPath := os.Args[1]
strSplitFrom := os.Args[2]
splitFrom, err := strconv.Atoi(strSplitFrom)
if err != nil {
fmt.Printf("Error: %v\n", err)
os.Exit(1)
}
strSplitTo := os.Args[3]
splitTo, err := strconv.Atoi(strSplitTo)
if err != nil {
fmt.Printf("Error: %v\n", err)
os.Exit(1)
}
outputPath := os.Args[4]
// Extracting page range from input PDF into output PDF.
err = pdfutil.ExtractPageRange(inputPath, outputPath, splitFrom, splitTo, false)
if err != nil {
fmt.Printf("Error: %v\n", err)
os.Exit(1)
}
fmt.Printf("Complete, see output file: %s\n", outputPath)
}