Difference between revisions of "Line"
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↑ https://stackoverflow.com/a/9605450
(Created page with "{{Draft}} == See also == * {{file}} Category:Linux") Tags: Mobile web edit, Mobile edit |
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| − | + | [[wikipedia:line]] | |
| + | [[Count]] lines: | ||
| + | * <code>[[wc -l]]</code> | ||
| + | [[Concatenate lines]]: | ||
| + | {{concatenate lines}} | ||
| + | [[New line]]: | ||
| + | * <code>[[echo]]</code> | ||
| + | |||
| + | Merge every two lines: | ||
| + | * {{merge every two lines}} | ||
| + | |||
| + | Add line: | ||
| + | * {{add line}} | ||
| + | |||
| + | [[Remove first line]]: | ||
| + | * <code>[[tail -n +2]]</code> | ||
| + | |||
| + | == Activities == | ||
| + | * [[Concatenate lines]] | ||
| + | |||
| + | == Related == | ||
| + | * <code>[[split (command)|spit]]</code> | ||
| + | * <code>[[column]]</code> | ||
| + | * <code>[[uniq]]</code> | ||
| + | * <code>[[echo -n]]</code> | ||
| + | * <code>[[grep .]]</code> | ||
| + | * [[Cisco IOS]]: <code>[[line vty]]</code> | ||
| + | * [[End of line]] | ||
| + | * [[Line, Instant Messaging]] | ||
== See also == | == See also == | ||
| − | * {{ | + | * {{line}} |
| + | * {{files}} | ||
[[Category:Linux]] | [[Category:Linux]] | ||
Latest revision as of 08:40, 29 June 2024
Count lines:
Merge every two lines:
cat /path/tofile.txt | paste -d " " - -[1]cat /path/tofile.txt | xargs -n2 -d'\n'
Add line:
grep -qxF 'your text "additional text"' yourfile.txt || echo 'your text "additional text"' >> yourfile.txt
Activities[edit]
Related[edit]
See also[edit]
line,newline,characters,wc, column, Add line, Concatenate lines, Ansible: lineinfile, rpl, sed -i- file, File system, directory,
touch,mkdir,ls,lntruncate,fallocate,split,stat, inode, File descriptor, superblock, block size (blockdev),fuser,lsof,scrub,chattr, ulimit (nofiles),cp,mv,file (command),mkfifo,chmod
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