App-cat-v
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cat-v --nl=0
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cat-v --nl='$'
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¥ä¸¤ä¸ªæä¸¤ä¸ªä»¥ä¸å符çå符串ï¼è¯¥å符串å°è¢«è§£é为 Unicode å符åã
cat-v --nl='RETURN SYMBOL' --sp='MIDDLE DOT'
妿æ å¿ä»¥ `+` å¼å¤´ï¼å该å符å°è¢«æ·»å å°éå¤å表ä¸ã
cat-v --esc=+s
å æ¤ï¼ä¸è¿°å½ä»¤çå«ä¹å°ä¸å¦ä¸å
容ç¸åã
cat-v --esc=s --repeat +esc
- **--repeat**=_name_\[,_name_...\]
æå®å¨è¾åºè½¬æ¢å符çåæ¶è¾åºåå§å符çå符类åãé»è®¤è®¾ç½®ä¸º `nl,np`ãä¸é¢çå½ä»¤å°æ£ç¡®è¾åºå¸¦æè½¬ä¹å符çåå§ ANSI åºåã
cat-v -c esc --repeat esc,nl
妿 _name_ 以 `+` å¼å¤´ï¼åå¨ç°æé
ç½®çåºç¡ä¸æ·»å 该å符ã
cat-v -c esc --repeat +esc
- **-o**, **-oo**, **--original**
å¦æè½¬æ¢åçå符串ä¸åå§å符串ä¸åï¼åå
è¾åºåå§å符串ï¼ç¶ååè¾åºè½¬æ¢åçå符串ã妿æå®ä¸¤æ¬¡ï¼åå§ç»æå°åå§å符串ã
æ¨å¯ä»¥å°æ¤è¾åºä¸ [App::cdif](https://metacpan.org/pod/App%3A%3Acdif) ç `--line-by-line` (`--lxl`) é项ä¸èµ·ä½¿ç¨ã
- **-t**\[_n_\], **--expand**\[=_n_\]
- **-T**, **--no-expand**
Tab å符é»è®¤ä¸ºå±å¼å符ãè¦æç¡®ç¦ç¨å®ï¼è¯·ä½¿ç¨ **-T** æ **--no-expand** é项ã
å¦æä¸º **-t** é项æå®äºä¸ä¸ªå¯éæ°åï¼è¯¥æ°åå°è¢«è§ä¸ºå¶è¡¨ç¬¦å®½åº¦ã以ä¸ä¸¤æ¡å½ä»¤æ¯çä»·çï¼
cat-v -t4
cat-v -t --tabstop=4
é»è®¤æ
åµä¸ä½¿ç¨ `needle` æ ·å¼ï¼å¯ä»¥ä½¿ç¨ `--tabstyle` æ´æ¹ã妿æå® `--tabstyle` é项ä¸ä¸å¸¦åæ°ï¼å伿¾ç¤ºå¯ç¨æ ·å¼å表ã
éè¿å¨ `~/.cat-vrc` æä»¶ä¸è®¾ç½®ä»¥ä¸é项ï¼å¯ä»¥é»è®¤ç¦ç¨å¶è¡¨ç¬¦æ©å±ã
option default --no-expand
å¨è¿ç§æ
åµä¸ï¼å¯ä»¥ä½¿ç¨ `-t` é项临æ¶å¯ç¨å¶è¡¨ç¬¦æ©å±ã
- **--tabstop**=# (DEFAULT: 8)
设置å¶è¡¨ç¬¦å®½åº¦ã
- **--tabhead**=#
- **--tabspace**=#
设置å¶è¡¨ç¬¦å¤´ååé¢çç©ºæ ¼å符ã妿é项å¼çé¿åº¦è¶
è¿åå符ï¼åå°å
¶è§ä¸º unicode åç§°ã
- **--tabstyle**, **--ts**
- **--tabstyle**=_style_, **--ts**=...
- **--tabstyle**=_head-style_,_space-style_ **--ts**=...
设置å¶è¡¨ç¬¦å±å¼çæ ·å¼ãä¾å¦éæ© `symbol` æ `shade`ã妿ç»åäºä¸¤ä¸ªæ ·å¼åç§°ï¼å¦ `squat-arrow,middle-dot`ï¼åå¨å¶è¡¨ç¬¦å¤´ä½¿ç¨ `squat-arrow`ï¼å¨å¶è¡¨ç¬¦ç©ºé´ä½¿ç¨ `middle-dot`ã
妿è°ç¨æ¶ä¸å¸¦åæ°ï¼åæ¾ç¤ºå¯ç¨æ ·å¼è¡¨ãæ ·å¼å¨ [Text::ANSI::Fold](https://metacpan.org/pod/Text%3A%3AANSI%3A%3AFold) åºä¸å®ä¹ã
- **-C**=_color_, **--color**=_color_
è¢«æ¿æ¢çå符å°ä»¥ _color_ æå®çé¢è²æ¾ç¤ºã该é项ä¸éç¨äºå
å« ANSI é¢è²åºåçè¾åºã
- **-E**, **--escape-backslash**
å°åæçº¿å符转æ¢ä¸ºè½¬ä¹å½¢å¼ `//`ã
è½ç¶åææ ä¸æ¯æ§å¶å符ï¼ä½éè¿è¿ç§æ¹å¼ï¼å°å
¶ä»æ§å¶å符转æ¢ä¸ºè½¬ä¹è¡¨è¾¾å¼çç»æå¯ä»¥å®å
¨è§£é为åç§ç¼ç¨è¯è¨çå符串å颿ä¹ã
ä¸é¢çå½ä»¤å¯ä»¥éç°åå§æä»¶çå
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echo -ne "$(cat-v -Ence FILE)"
# INSTALL
## CPANMINUS
æ¥èª CPAN æ¡£æ¡ï¼
cpanm App::cat::v
æ¥èª GIT 代ç åºï¼
cpanm https://github.com/tecolicom/App-cat-v.git
# SEE ALSO
- [https://github.com/tecolicom/App-cat-v.git](https://github.com/tecolicom/App-cat-v.git)
Git ä»åºã
- [App::optex::util::filter](https://metacpan.org/pod/App%3A%3Aoptex%3A%3Autil%3A%3Afilter)
`cat-v` å½ä»¤çå身æåæ¯ä½ä¸º [App::optex](https://metacpan.org/pod/App%3A%3Aoptex) å½ä»¤çè¿æ»¤å¨æ¨¡åå建çã
- [https://harmful.cat-v.org/cat-v/](https://harmful.cat-v.org/cat-v/)
UNIX 飿 ¼ï¼æ cat -v è¢«è®¤ä¸ºæ¯æå®³ç
- [https://harmful.cat-v.org/cat-v/unix\_prog\_design.pdf](https://harmful.cat-v.org/cat-v/unix_prog_design.pdf)
UNIX ç¯å¢ä¸çç¨åºè®¾è®¡
# AUTHOR
Kazumasa Utashiro
# LICENSE
Copyright © 2024-2025 Kazumasa Utashiro.
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