perl 実行オプション
$ perl -h
で細かいオプションなどを確認
Usage: perl [switches] [--] [programfile] [arguments] Run 'perldoc perl' for more help with Perl.
ざっくりとしたシンタックス確認。詳細は別ドキュメントを見ればよいらしい。
とりあえず、perl実行時のオプション一覧は以下のとおり。
| option | description |
|---|---|
| -0[octal] | specify record separator (\0, if no argument) |
| -a | autosplit mode with -n or -p (splits $_ into @F) |
| -C[number/list] | enables the listed Unicode features |
| -c | check syntax only (runs BEGIN and CHECK blocks) |
| -d[:debugger] | run program under debugger |
| -D[number/list] | set debugging flags (argument is a bit mask or alphabets) |
| -e program | one line of program (several -e's allowed, omit programfile) |
| -E program | like -e, but enables all optional features |
| -f | don't do $sitelib/sitecustomize.pl at startup |
| -F/pattern/ | split() pattern for -a switch (//'s are optional) |
| -i[extension] | edit <> files in place (makes backup if extension supplied) |
| -Idirectory | specify @INC/#include directory (several -I's allowed) |
| -l[octal] | enable line ending processing, specifies line terminator |
| -[mM][-]module | execute "use/no module..." before executing program |
| -n | assume "while (<>) { ... }" loop around program |
| -p | assume loop like -n but print line also, like sed |
| -s | enable rudimentary parsing for switches after programfile |
| -S | look for programfile using PATH environment variable |
| -t | enable tainting warnings |
| -T | enable tainting checks |
| -u | dump core after parsing program |
| -U | allow unsafe operations |
| -v | print version, patchlevel and license |
| -V[:variable] | print configuration summary (or a single Config.pm variable) |
| -w | enable many useful warnings |
| -W | enable all warnings |
| -x[directory] | ignore text before #!perl line (optionally cd to directory) |
| -X | disable all warnings |
