摘要:
#!/bin/bashfile='/mnt/514.txt' for i in `cat $file`do echo $idone 阅读全文
摘要:
行首空格删除sed -r 's/^\s+//g' 514.txtsed -e 's/^\s*//g' 514.txtsed 's/^ *//' 514.txt sed 's/^[[:space:]]*//' 514.txt awk '{sub(/^[ \t]+/, "")};1' 514.txt全部... 阅读全文