Difference between revisions of "Line"
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↑ https://stackoverflow.com/a/9605450
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[[wikipedia:line]] | [[wikipedia:line]] | ||
| Line 16: | Line 15: | ||
Add line: | Add line: | ||
* {{add line}} | * {{add line}} | ||
| + | |||
| + | [[Remove first line]]: | ||
| + | * <code>[[tail -n +2]]</code> | ||
== Activities == | == Activities == | ||
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* <code>[[uniq]]</code> | * <code>[[uniq]]</code> | ||
* <code>[[echo -n]]</code> | * <code>[[echo -n]]</code> | ||
| − | |||
* <code>[[grep .]]</code> | * <code>[[grep .]]</code> | ||
* [[Cisco IOS]]: <code>[[line vty]]</code> | * [[Cisco IOS]]: <code>[[line vty]]</code> | ||
* [[End of line]] | * [[End of line]] | ||
| + | * [[Line, Instant Messaging]] | ||
== See also == | == See also == | ||
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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